Post on 23-Aug-2020
GRASSLAND BYPASS PROJECT
MONTHLY DATA REPORT
2017
A Cooperative Effort By:United States Bureau of Reclamation
Cantral Valley Regional Water Quality Control Board
United States Fish and Wildlife Service
National Marine Fisheries Service
California Department of Fish and Wildlife
San Luis and Delta-Mendota Water Authority
United States Environmental Protection Agency
United States Geological Survey
San Francisco Estuary Institute
GRASSLAND BYPASS PROJECT
MONTHLY DATA REPORT
Figure 1. Map of the Grassland Bypass Project area and sampling locations
Figure 2. Monthly selenium discharges from the terminus of the San Luis Drain into Mud Slough compared to load values
Table 1a. Water monitoring of inflow to the San Luis Drain (Station A)
Table 1b. Monthly averages and totals
Table 2a. Water monitoring of San Luis Drain discharge into Mud Slough (north) (Stations B2 and B3)
Table 2b. Monthly averages and totals
Table 2c. Other water quality monitoring in the San Luis Drain (Station B3)
Table 3a. Water monitoring in Mud Slough (north) below San Luis Drain discharge (Station D)
Table 3b. Monthly averages and totals
Table 3c. Other water quality monitoring in Mud Slough (north) below San Luis Drain discharge (Station D)
Table 4. Water quality monitoring in Mud Slough (north) above San Luis Drain discharge (Station C)
Table 5. Water quality monitoring in Mud Slough (north) backwater below San Luis Drain discharge (Station I2)
Table 6a. Water monitoring in Salt Slough at Highway 165 (Station F)
Table 6b. Monthly averages and totals
Table 6c. Other water quality monitoring in Salt Slough (Station F)
Table 7a. Water quality monitoring in Grasslands Wetland Water Supply Channels - Camp 13 Ditch Headworks (Station J)
Table 7b. Water quality monitoring in Grasslands Wetland Water Supply Channels - Agatha Canal Headworks(Station K)
Table 8a. Water monitoring in the San Joaquin River above the Merced River (Station H2)
Table 8b. Monthly averages and totals
Table 9. Water quality monitoring in the San Joaquin River above Merced River at China Island Refuge(Station R)
Table 10a. Water monitoring in the San Joaquin River at Fremont Ford (Station G)
Table 10b. Monthly averages and totals
Table 10c. Other water quality monitoring in the San Joaquin River at Fremont Ford (Station G)
Table 11a. Water monitoring in the San Joaquin River at Crows Landing (Station N)
Table 11b. Monthly averages and totals
Table 11c. Other water quality monitoring in the San Joaquin River at Crows Landing (Station N)
Table 12. Summary of fathead minnow (Pimephales promelas) larvae survival in 7-day tests
Table 13. Summary of fathead minnow (Pimephales promelas) larvae growth in 7-day tests
Table 14. Summary of Daphnia magna survival in 7-day tests using water samples
Table 15. Summary of Daphnia magna reproduction in 7-day tests
Table 16. Summary of Selenastrum capricornutum growth in 4-day tests
Table 17. Summary of selenium concentrations in grab water samples collected at study stations for use in toxicity tests
Table 18. Summary of total suspended solids concentrations in grab water samples
Table 19. New WDR Summary of fathead minnow (Pimephales promelas) larvae survival in 7-day tests
Table 20. New WDR Summary of Daphnia magna survival in 7-day tests using water samples
Table 21. New WDR Summary of Selenastrum capricornutum growth in 4-day tests
Table 22. Explanations of footnotes and agency abbreviations
List of figures and tables for monthly report
Figure 1: Map of the Grassland Bypass Project area and sampling locations
Table 1a. Water monitoring of inflow to the San Luis Drain (Station A)
PARAMETER Flow TemperatureSpecific
Conductance
Total Dissolved
Solids
Total Suspended
SolidsTotal Selenium Total Boron Daily Salt Load
DATA SOURCE SLDMWA SLDMWA SLDMWA Calculated SLDMWA USBR SLDMWA Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L mg/L tons
Jan-01-2017 0.0 7.8 5,340 3,950 33 17 0
Jan-02-2017 0.0 8.2 5,340 3,950 33 17 0
Jan-03-2017 21.7 8.8 5,340 3,950 33 17 116
Jan-04-2017 34.1 10.3 5,340 3,960 19 14 183
Jan-05-2017 28.4 11.3 5,360 3,970 19 14 153
Jan-06-2017 19.9 8.8 5,390 3,990 19 14 108
Jan-07-2017 35.6 9.7 5,370 3,980 19 14 192
Jan-08-2017 66.0 12.3 5,350 3,960 19 14 356
Jan-09-2017 99.3 13.3 5,340 3,950 19 14 533
Jan-10-2017 71.3 13.1 5,310 3,930 19 14 381
Jan-11-2017 67.5 12.4 5,240 3,880 18 14 356
Jan-12-2017 63.4 12.4 5,140 3,810 18 14 328
Jan-13-2017 58.6 11.1 5,040 3,730 18 14 298
Jan-14-2017 35.5 9.9 4,960 3,670 18 14 177
Jan-15-2017 30.0 9.8 4,910 3,630 18 14 148
Jan-16-2017 29.8 10.4 4,880 3,610 18 14 146
Jan-17-2017 29.1 9.0 4,860 3,600 18 14 142
Jan-18-2017 30.6 9.4 4,850 3,590 42 16 149
Jan-19-2017 82.1 9.6 4,850 3,590 42 16 400
Jan-20-2017 88.6 10.7 4,740 3,510 42 16 423
Jan-21-2017 104.0 10.7 4,600 3,400 42 16 482
Jan-22-2017 43.4 4,840 3,580 42 16 212
Jan-23-2017 50.9 4,780 3,540 42 16 245
Jan-24-2017 44.0 10.9 4,330 3,200 42 16 192
Jan-25-2017 45.7 9.9 4,310 3,190 27 14 198
Jan-26-2017 51.9 10.7 4,290 3,170 27 14 224
Jan-27-2017 50.6 10.7 4,270 3,160 27 14 218
Jan-28-2017 49.7 11.1 4,280 3,160 27 14 214
Jan-29-2017 47.8 11.6 4,290 3,170 27 14 206
Jan-30-2017 44.8 12.0 4,320 3,190 27 14 195
Jan-31-2017 45.9 12.5 4,350 3,220 27 14 201
Feb-01-2017 42.7 13.2 4,370 3,230 57 11 188
Feb-02-2017 48.5 13.4 4,400 3,250 57 11 215
Feb-03-2017 38.5 14.4 4,410 3,270 57 11 171
Feb-04-2017 36.3 15.3 4,440 3,290 57 11 162
Feb-05-2017 33.7 14.5 4,470 3,310 57 11 152
Feb-06-2017 32.7 13.6 4,500 3,330 57 11 148
Feb-07-2017 35.3 14.1 4,520 3,340 57 11 160
Feb-08-2017 35.6 15.8 4,510 3,330 30 13 162
Feb-09-2017 36.1 15.7 4,490 3,320 30 13 163
Feb-10-2017 84.2 15.3 4,480 3,320 30 13 380
Feb-11-2017 113.8 14.5 4,470 3,310 30 13 512
Feb-12-2017 134.1 13.7 3,500 2,590 30 13 472
Feb-13-2017 73.8 14.0 2,880 2,130 30 13 214
Feb-14-2017 58.4 15.5 3,810 2,820 30 13 224
Feb-15-2017 72.5 15.5 3,150 2,330 48 9 230
Feb-16-2017 80.2 15.5 3,230 2,390 48 9 260
Feb-17-2017 87.9 13.7 3,300 2,440 48 9 292
Feb-18-2017 95.6 13.6 3,360 2,490 48 9 324
Feb-19-2017 80.4 12.5 3,420 2,530 48 9 277
Feb-20-2017 94.9 13.1 3,490 2,580 48 9 334
Feb-21-2017 109.6 14.9 3,530 2,610 48 9 390
Feb-22-2017 82.5 14.4 3,550 2,620 54 9 294
Feb-23-2017 78.4 12.4 3,580 2,650 54 9 283
Feb-24-2017 77.3 12.6 3,650 2,700 54 9 284
Feb-25-2017 77.1 13.2 3,710 2,750 54 9 288
Feb-26-2017 75.1 14.2 3,760 2,780 54 9 284
Feb-27-2017 67.9 14.8 3,810 2,820 54 9 261
Feb-28-2017 61.8 13.3 3,860 2,860 54 9 240
Mar-01-2017 62.9 13.5 3,900 2,890 37 12 247
Mar-02-2017 67.7 14.4 3,920 2,900 37 12 267
Mar-03-2017 69.2 15.2 3,890 2,880 37 12 271
Mar-04-2017 64.5 15.9 3,840 2,840 37 12 249
Mar-05-2017 65.4 14.2 3,810 2,820 37 12 251
Mar-06-2017 42.9 12.4 3,780 2,800 37 12 163
Mar-07-2017 19.4 13.9 3,740 2,770 37 12 73
Mar-08-2017 5.7 14.9 3,690 2,730 53 8 21
Mar-09-2017 12.3 17.0 3,690 2,730 53 8 46
Mar-10-2017 15.5 17.9 3,750 2,770 53 8 58
Mar-11-2017 16.9 18.6 3,910 2,890 53 8 66
Mar-12-2017 8.6 20.1 4,070 3,010 53 8 35
Mar-13-2017 4.1 18.3 4,160 3,080 53 8 17
Mar-14-2017 14.7 20.6 4,290 3,180 53 8 64
Mar-15-2017 14.5 21.2 4,310 3,190 53 10 63
Mar-16-2017 14.4 19.6 4,300 3,180 53 10 62
Mar-17-2017 9.3 20.9 4,350 3,220 53 10 41
Mar-18-2017 6.9 20.0 4,350 3,220 53 10 30
Mar-19-2017 7.5 19.3 4,350 3,220 53 10 33
Mar-20-2017 7.8 18.5 4,440 3,290 53 10 35
Mar-21-2017 26.1 18.5 4,590 3,390 53 10 121
Mar-22-2017 56.3 16.4 4,660 3,450 36 12 264
Mar-23-2017 55.0 16.3 4,620 3,420 36 12 256
Mar-24-2017 43.5 15.9 4,540 3,360 36 12 199
Mar-25-2017 38.8 16.4 4,510 3,330 36 12 176
Mar-26-2017 37.5 17.6 4,450 3,290 36 12 168
Mar-27-2017 31.7 17.7 4,400 3,260 36 12 140
Mar-28-2017 17.1 16.1 4,340 3,210 36 12 75
PARAMETER Flow TemperatureSpecific
Conductance
Total Dissolved
Solids
Total Suspended
SolidsTotal Selenium Total Boron Daily Salt Load
DATA SOURCE SLDMWA SLDMWA SLDMWA Calculated SLDMWA USBR SLDMWA Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L mg/L tons
Mar-29-2017 7.9 17.7 4,300 3,180 60 10 34
Mar-30-2017 5.2 18.5 4,290 3,170 60 10 23
Mar-31-2017 1.9 14.5 4,290 3,170 60 10 8
Apr-01-2017 1.8 15.2 4,310 3,190 60 10 8
Apr-02-2017 1.8 17.2 4,360 3,230 60 10 8
Apr-03-2017 1.2 18.5 4,400 3,260 60 10 5
Apr-04-2017 2.0 17.3 4,440 3,290 60 10 9
Apr-05-2017 1.3 19.2 4,500 3,330 60 10 6
Apr-06-2017 1.8 18.0 4,540 3,360 60 10 8
Apr-07-2017 8.3 15.7 4,580 3,390 60 10 38
Apr-08-2017 24.4 15.2 4,620 3,420 60 10 113
Apr-09-2017 35.2 15.7 4,650 3,440 60 10 165
Apr-10-2017 20.3 17.1 4,590 3,390 60 10 94
Apr-11-2017 3.2 18.3 4,550 3,360 60 10 15
Apr-12-2017 1.4 19.2 4,540 3,360 32 13 7
Apr-13-2017 0.6 18.0 4,540 3,360 32 13 3
Apr-14-2017 0.2 16.4 4,540 3,360 32 13 1
Apr-15-2017 0.0 16.7 4,550 3,370 32 13 0
Apr-16-2017 0.0 16.7 4,560 3,380 32 13 0
Apr-17-2017 0.0 16.7 4,580 3,390 32 13 0
Apr-18-2017 24.0 18.0 4,610 3,410 32 13 111
Apr-19-2017 38.3 19.6 4,650 3,440 30 14 179
Apr-20-2017 13.6 19.0 4,660 3,450 30 14 64
Apr-21-2017 1.0 18.3 4,650 3,440 30 14 5
Apr-22-2017 0.0 18.6 4,650 3,440 30 14 0
Apr-23-2017 0.0 18.7 4,640 3,440 30 14 0
Apr-24-2017 0.0 18.3 4,640 3,430 30 14 0
Apr-25-2017 0.0 17.6 4,640 3,430 30 14 0
Apr-26-2017 0.0 17.5 4,640 3,430 20 14 0
Apr-27-2017 0.0 18.4 4,650 3,440 20 14 0
Apr-28-2017 0.0 17.4 4,660 3,450 20 14 0
Apr-29-2017 0.0 16.9 4,680 3,460 20 14 0
Apr-30-2017 0.0 18.2 4,720 3,490 20 14 0
May-01-2017 0.0 20.1 4,760 3,520 20 14 0
May-02-2017 0.0 21.7 4,800 3,560 20 14 0
May-03-2017 0.0 22.6 4,860 3,590 16 15 0
May-04-2017 0.0 23.5 4,960 3,670 16 15 0
May-05-2017 0.0 21.3 4,970 3,680 16 15 0
May-06-2017 0.0 17.7 4,990 3,700 16 15 0
May-07-2017 0.0 19.0 5,050 3,740 16 15 0
May-08-2017 0.0 19.4 5,100 3,770 16 15 0
May-09-2017 0.0 19.3 5,160 3,820 16 15 0
May-10-2017 0.1 20.1 5,150 3,810 11 16 1
May-11-2017 0.0 19.2 5,140 3,800 11 16 0
May-12-2017 0.0 18.7 4,700 3,480 11 16 0
May-13-2017 0.0 17.7 3,740 2,770 11 16 0
May-14-2017 0.0 18.3 3,360 2,490 11 16 0
May-15-2017 0.0 18.7 2,580 1,910 11 16 0
May-16-2017 0.0 19.7 1,520 1,120 11 16 0
May-17-2017 0.0 20.7 866 L 11 16 0
May-18-2017 0.0 22.1 331 L 11 16 0
May-19-2017 0.0 24.9 70 L 30 14 0
May-20-2017 0.0 27.0 24 L 30 14 0
May-21-2017 0.0 28.6 9 L 30 14 0
May-22-2017 0.0 29.5 5 L 30 14 0
May-23-2017 0.0 29.6 5 L 30 14 0
May-24-2017 0.0 24.7 20 30 14 0
May-25-2017 0.0 21.1 3,110 2,310 30 14 0
May-26-2017 0.0 19.3 3,140 2,320 30 14 0
May-27-2017 0.0 19.9 2,990 2,210 30 14 0
May-28-2017 0.0 22.0 2,830 2,090 30 14 0
May-29-2017 0.0 23.3 2,760 2,040 30 14 0
May-30-2017 0.0 21.9 2,690 1,990 30 14 0
May-31-2017 0.0 20.2 2,570 1,900 30 14 0
Jun-01-2017 0.0 22.2 2,470 1,830 30 14 0
Jun-02-2017 0.0 22.3 2,430 1,800 30 14 0
Jun-03-2017 0.0 22.9 2,400 1,780 30 14 0
Jun-04-2017 0.0 22.6 2,530 1,870 30 14 0
Jun-05-2017 0.0 22.0 2,670 1,980 30 14 0
Jun-06-2017 0.0 22.0 3,160 2,340 30 14 0
Jun-07-2017 0.0 22.2 5,890 4,360 5 15 0
Jun-08-2017 0.0 20.4 6,670 4,940 5 15 0
Jun-09-2017 0.0 21.1 6,200 4,590 5 15 0
Jun-10-2017 0.0 20.0 5,960 4,410 5 15 0
Jun-11-2017 0.0 19.3 5,870 4,340 5 15 0
Jun-12-2017 0.0 18.1 5,920 4,380 5 15 0
Jun-13-2017 0.0 19.5 6,100 4,520 7 17 0
Jun-14-2017 0.0 21.1 6,190 4,580 7 17 0
Jun-15-2017 0.0 22.9 6,330 4,680 7 17 0
Jun-16-2017 0.0 24.9 6,420 4,750 7 17 0
Jun-17-2017 0.0 26.8 6,520 4,820 7 17 0
Jun-18-2017 0.0 27.5 6,420 4,750 7 17 0
Jun-19-2017 0.0 27.8 6,210 4,600 7 17 0
Jun-20-2017 0.0 27.3 6,130 4,530 9 17 0
Jun-21-2017 0.0 27.2 6,040 4,470 9 17 0
Jun-22-2017 0.0 27.8 5,970 4,420 9 17 0
Jun-23-2017 0.0 26.5 5,920 4,380 9 17 0
Jun-24-2017 0.0 25.9 5,950 4,400 9 17 0
Jun-25-2017 0.0 25.2 5,970 4,420 9 17 0
Jun-26-2017 0.0 23.5 6,010 4,440 9 17 0
PARAMETER Flow TemperatureSpecific
Conductance
Total Dissolved
Solids
Total Suspended
SolidsTotal Selenium Total Boron Daily Salt Load
DATA SOURCE SLDMWA SLDMWA SLDMWA Calculated SLDMWA USBR SLDMWA Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L mg/L tons
Jun-27-2017 0.0 22.5 6,040 4,470 8 18 0
Jun-28-2017 0.0 22.6 6,080 4,500 8 18 0
Jun-29-2017 0.0 22.7 6,120 4,530 8 18 0
Jun-30-2017 0.0 21.9 6,080 4,500 8 18 0
Jul-01-2017 0.0 23.2 6,170 4,570 8 18 0
Jul-02-2017 0.0 23.4 6,200 4,590 8 18 0
Jul-03-2017 0.0 23.1 6,220 4,600 8 18 0
Jul-04-2017 0.0 23.4 6,240 4,620 8 18 0
Jul-05-2017 0.0 23.1 6,330 4,680 9 19 0
Jul-06-2017 0.0 24.1 6,440 4,770 9 19 0
Jul-07-2017 0.0 25.1 6,560 4,850 9 19 0
Jul-08-2017 0.0 25.9 6,630 4,910 9 19 0
Jul-09-2017 0.0 24.8 6,710 4,970 9 19 0
Jul-10-2017 0.0 24.1 6,780 5,020 9 19 0
Jul-11-2017 0.0 24.3 6,840 5,060 9 21 0
Jul-12-2017 0.0 23.0 6,870 5,090 9 21 0
Jul-13-2017 0.0 23.0 7,000 5,180 9 21 0
Jul-14-2017 0.0 23.1 7,160 5,300 9 21 0
Jul-15-2017 0.0 24.2 7,530 5,570 9 21 0
Jul-16-2017 0.0 25.9 7,830 5,800 9 21 0
Jul-17-2017 0.0 25.8 7,920 5,860 9 21 0
Jul-18-2017 0.0 24.8 8,030 5,940 8 24 0
Jul-19-2017 0.0 23.6 8,170 6,050 8 24 0
Jul-20-2017 0.0 23.4 8,300 6,140 8 24 0
Jul-21-2017 0.0 23.5 8,390 6,210 8 24 0
Jul-22-2017 0.0 24.4 8,520 6,310 8 24 0
Jul-23-2017 0.0 24.8 8,680 6,420 8 24 0
Jul-24-2017 0.0 23.8 8,690 6,430 8 24 0
Jul-25-2017 0.0 23.2 8,750 6,480 9 28 0
Jul-26-2017 0.0 23.8 8,870 6,570 9 28 0
Jul-27-2017 0.0 25.0 8,950 6,620 9 28 0
Jul-28-2017 0.0 25.2 9,050 6,700 9 28 0
Jul-29-2017 0.0 25.0 9,190 6,800 9 28 0
Jul-30-2017 0.0 26.5 9,450 6,990 9 28 0
Jul-31-2017 0.0 27.5 9,670 7,150 9 28 0
Aug-01-2017 0.0 28.3 9,740 7,210 9 36 0
Aug-02-2017 0.0 29.0 9,700 7,180 9 36 0
Aug-03-2017 0.0 28.4 9,660 7,150 9 36 0
Aug-04-2017 0.0 26.9 9,590 7,100 9 36 0
Aug-05-2017 0.0 26.7 9,600 7,100 9 36 0
Aug-06-2017 0.0 27.3 9,780 7,240 9 36 0
Aug-07-2017 0.0 26.8 9,980 7,380 9 36 0
Aug-08-2017 0.0 26.9 10,120 7,490 9 40 0
Aug-09-2017 0.0 27.0 10,180 7,530 9 40 0
Aug-10-2017 0.0 27.2 10,350 7,660 9 40 0
Aug-11-2017 0.0 27.6 10,560 7,810 9 40 0
Aug-12-2017 0.0 27.6 10,590 7,840 9 40 0
Aug-13-2017 0.0 26.1 11,000 8,140 9 40 0
Aug-14-2017 0.0 24.8 10,230 7,570 9 40 0
Aug-15-2017 0.0 23.6 8,730 6,460 10 51 0
Aug-16-2017 0.0 24.4 7,880 5,830 10 51 0
Aug-17-2017 0.0 26.1 7,450 5,510 10 51 0
Aug-18-2017 0.0 26.7 6,800 5,030 10 51 0
Aug-19-2017 0.0 26.7 6,250 4,620 10 51 0
Aug-20-2017 0.0 25.7 5,860 4,340 10 51 0
Aug-21-2017 0.0 25.1 5,720 4,240 10 51 0
Aug-22-2017 0.0 26.0 5,730 4,240 9 56 0
Aug-23-2017 0.0 26.5 5,620 4,160 9 56 0
Aug-24-2017 0.0 26.5 5,490 4,060 9 56 0
Aug-25-2017 0.0 26.7 5,400 3,990 9 56 0
Aug-26-2017 0.0 27.9 5,370 3,970 9 56 0
Aug-27-2017 0.0 28.3 5,300 3,920 9 56 0
Aug-28-2017 0.0 29.2 5,280 3,910 9 56 0
Aug-29-2017 0.0 28.7 5,330 3,940 15 66 0
Aug-30-2017 0.0 27.3 5,250 3,890 15 66 0
Aug-31-2017 0.0 27.1 5,250 3,890 15 66 0
Sep-01-2017 0.0 28.1 5,350 3,960 15 66 0
Sep-02-2017 0.0 29.1 5,470 4,040 15 66 0
Sep-03-2017 0.0 29.5 5,530 4,090 15 66 0
Sep-04-2017 0.0 29.0 5,570 4,120 15 66 0
Sep-05-2017 0.0 29.5 5,680 4,200 12 82 0
Sep-06-2017 0.0 28.5 5,810 4,300 12 82 0
Sep-07-2017 0.0 26.1 5,720 4,230 12 82 0
Sep-08-2017 0.0 25.8 5,850 4,330 12 82 0
Sep-09-2017 0.0 26.6 5,970 4,420 12 82 0
Sep-10-2017 0.0 27.6 5,960 4,410 12 82 0
Sep-11-2017 0.0 27.8 5,980 4,420 12 82 0
Sep-12-2017 0.0 27.4 6,210 4,600 17 82 0
Sep-13-2017 0.0 25.5 6,040 4,470 17 82 0
Sep-14-2017 0.0 23.7 6,120 4,530 17 82 0
Sep-15-2017 0.0 23.4 6,020 4,450 17 82 0
Sep-16-2017 0.0 23.8 5,970 4,410 17 82 0
Sep-17-2017 0.0 23.8 5,910 4,370 17 82 0
Sep-18-2017 0.0 23.9 5,830 4,320 17 82 0
Sep-19-2017 0.0 21.7 5,730 4,240 21 128 0
Sep-20-2017 0.0 22.6 5,750 4,250 21 128 0
Sep-21-2017 0.0 20.9 5,840 4,320 21 128 0
Sep-22-2017 0.0 20.1 5,910 4,370 21 128 0
Sep-23-2017 0.0 19.6 5,760 4,260 21 128 0
Sep-24-2017 0.0 19.8 5,640 4,170 21 128 0
PARAMETER Flow TemperatureSpecific
Conductance
Total Dissolved
Solids
Total Suspended
SolidsTotal Selenium Total Boron Daily Salt Load
DATA SOURCE SLDMWA SLDMWA SLDMWA Calculated SLDMWA USBR SLDMWA Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L mg/L tons
Sep-25-2017 0.0 20.5 5,730 4,240 21 128 0
Sep-26-2017 0.0 21.3 5,800 4,290 30 174 0
Sep-27-2017 0.0 22.3 5,940 4,390 30 174 0
Sep-28-2017 0.0 23.5 6,040 4,470 30 174 0
Sep-29-2017 0.0 23.6 6,110 4,520 30 174 0
Sep-30-2017 0.0 23.4 6,210 4,600 30 174 0
Oct-01-2017 0.0 20.6 5,950 4,410 30 174 0
Oct-02-2017 0.0 19.2 5,350 3,960 30 174 0
Oct-03-2017 0.0 18.1 5,530 4,090 42 278 0
Oct-04-2017 0.0 18.7 5,830 4,320 42 278 0
Oct-05-2017 0.0 18.7 5,940 4,400 42 278 0
Oct-06-2017 0.0 18.8 6,020 4,450 42 278 0
Oct-07-2017 0.0 19.5 6,200 4,590 42 278 0
Oct-08-2017 0.0 19.4 6,170 4,570 42 278 0
Oct-09-2017 0.0 18.3 6,090 4,510 42 278 0
Oct-10-2017 0.0 18.3 6,470 4,780 22 89 0
Oct-11-2017 0.0 18.2 6,340 4,690 22 89 0
Oct-12-2017 0.0 16.2 6,070 4,490 22 89 0
Oct-13-2017 0.0 15.4 6,280 4,640 22 89 0
Oct-14-2017 0.0 15.9 6,450 4,770 22 89 0
Oct-15-2017 0.0 16.3 6,670 4,940 22 89 0
Oct-16-2017 0.0 17.1 6,890 5,100 22 89 0
Oct-17-2017 0.0 16.5 7,150 5,290 16 50 0
Oct-18-2017 0.0 16.6 14,230 10,530 16 50 0
Oct-19-2017 0.0 18.6 12,510 9,260 16 50 0
Oct-20-2017 0.0 18.0 14,460 10,700 16 50 0
Oct-21-2017 0.0 15.2 12,730 9,420 16 50 0
Oct-22-2017 0.0 16.0 11,130 8,240 16 50 0
Oct-23-2017 0.0 16.3 9,680 7,160 16 50 0
Oct-24-2017 0.0 16.8 9,080 6,720 19 30 0
Oct-25-2017 0.0 18.1 9,220 6,820 19 30 0
Oct-26-2017 0.0 18.8 9,430 6,980 19 30 0
Oct-27-2017 0.0 19.1 9,600 7,110 19 30 0
Oct-28-2017 0.0 19.0 9,590 7,100 19 30 0
Oct-29-2017 0.0 18.7 9,760 7,220 19 30 0
Oct-30-2017 0.0 18.4 11,000 8,140 19 30 0
Oct-31-2017 0.0 15.7 9,240 6,840 17 39 0
Nov-01-2017 0.0 15.9 7,970 5,900 17 39 0
Nov-02-2017 0.0 15.7 6,730 4,980 17 39 0
Nov-03-2017 0.0 16.0 6,020 4,450 17 39 0
Nov-04-2017 0.0 16.3 5,960 4,410 17 39 0
Nov-05-2017 0.0 14.9 6,150 4,550 17 39 0
Nov-06-2017 0.0 13.6 6,180 4,580 17 39 0
Nov-07-2017 0.0 14.0 6,190 4,580 12 20 0
Nov-08-2017 0.0 13.7 5,810 4,300 12 20 0
Nov-09-2017 0.0 15.5 5,640 4,180 12 20 0
Nov-10-2017 0.0 15.8 5,750 4,250 12 20 0
Nov-11-2017 0.0 15.9 5,920 4,380 12 20 0
Nov-12-2017 0.0 15.5 5,930 4,390 12 20 0
Nov-13-2017 0.0 14.7 5,520 4,090 12 20 0
Nov-14-2017 0.0 16.3 5,470 4,040 8 17 0
Nov-15-2017 0.0 16.2 5,440 4,030 8 17 0
Nov-16-2017 0.0 16.5 5,500 4,070 8 17 0
Nov-17-2017 0.0 16.4 5,540 4,100 8 17 0
Nov-18-2017 0.0 14.4 5,580 4,130 8 17 0
Nov-19-2017 0.0 13.4 5,570 4,120 8 17 0
Nov-20-2017 0.0 13.3 4,860 3,600 8 17 0
Nov-21-2017 0.0 14.5 4,830 3,570 6 14 0
Nov-22-2017 0.0 14.4 4,820 3,570 6 14 0
Nov-23-2017 0.0 15.2 4,870 3,600 6 14 0
Nov-24-2017 0.0 16.3 4,820 3,570 6 14 0
Nov-25-2017 0.0 16.5 4,780 3,540 6 14 0
Nov-26-2017 0.0 16.0 4,760 3,520 6 14 0
Nov-27-2017 0.0 14.8 4,840 3,580 6 14 0
Nov-28-2017 0.0 13.3 4,840 3,580 6 14 0
Nov-29-2017 0.0 12.8 4,840 3,580 7 14 0
Nov-30-2017 0.0 12.1 4,830 3,580 7 14 0
Dec-01-2017 0.0 11.5 4,820 3,570 7 14 0
Dec-02-2017 0.0 11.5 4,800 3,560 7 14 0
Dec-03-2017 0.0 11.8 4,780 3,540 7 14 0
Dec-04-2017 0.0 10.0 4,750 3,520 7 14 0
Dec-05-2017 0.0 8.9 4,730 3,500 7 14 0
Dec-06-2017 0.0 8.4 4,720 3,490 7 14 0
Dec-07-2017 0.0 8.2 4,710 3,480 7 14 0
Dec-08-2017 0.0 7.9 4,690 3,470 7 14 0
Dec-09-2017 0.0 7.9 4,680 3,460 7 14 0
Dec-10-2017 0.0 7.8 4,660 3,450 7 14 0
Dec-11-2017 0.0 7.6 4,650 3,440 7 14 0
Dec-12-2017 0.0 7.5 4,640 3,440 5 10 0
Dec-13-2017 0.0 7.5 4,640 3,430 5 10 0
Dec-14-2017 0.0 7.9 4,630 3,420 5 10 0
Dec-15-2017 0.0 7.9 4,620 3,420 5 10 0
Dec-16-2017 0.0 8.7 4,600 3,410 5 10 0
Dec-17-2017 0.0 7.9 4,590 3,400 5 10 0
Dec-18-2017 0.0 7.7 4,590 3,400 5 10 0
Dec-19-2017 0.0 7.8 4,580 3,390 6 13 0
Dec-20-2017 0.0 8.7 4,570 3,380 6 13 0
Dec-21-2017 0.0 7.8 4,560 3,380 6 13 0
Dec-22-2017 0.0 7.0 4,560 3,370 6 13 0
Dec-23-2017 0.0 7.4 4,550 3,370 6 13 0
PARAMETER Flow TemperatureSpecific
Conductance
Total Dissolved
Solids
Total Suspended
SolidsTotal Selenium Total Boron Daily Salt Load
DATA SOURCE SLDMWA SLDMWA SLDMWA Calculated SLDMWA USBR SLDMWA Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L mg/L tons
Dec-24-2017 0.0 7.9 4,540 3,360 6 13 0
Dec-25-2017 0.0 8.1 4,540 3,360 6 13 0
Dec-26-2017 0.0 8.8 4,540 3,360 6 13 0
Dec-27-2017 0.0 8.8 4,530 3,350 5 11 0
Dec-28-2017 0.0 8.8 4,530 3,350 5 11 0
Dec-29-2017 0.0 8.6 4,530 3,350 5 11 0
Dec-30-2017 0.0 8.6 4,530 3,350 5 11 0
Dec-31-2017 0.0 8.8 4,540 3,360 5 11 0
Table 1b. Monthly averages and totals
PARAMETER Total FlowAverage
Temperature
Average Specific
Conducantce
Average Total
Dissolved Solids
Average Total
Suspended
Solids
Average Selenium Total Boron Salt LoadSalt Load
Objective
DATA SOURCE Calculated Calculated Calculated Calculated Calculated Calculated Calculated Calculated UA3
UNITS acre-feet °C µS/cm mg/L mg/L ug/L mg/L tons tons
Jan-17 2,916 10.6 4,850 3,590 NA 28 15 14,237 5,893
Feb-17 3,858 14.2 3,760 2,780 NA 46 11 14,602 9,327
Mar-17 1,688 17.2 4,150 3,070 NA 40 10 7,052 11,049
Apr-17 358 17.6 4,620 3,420 NA 47 12 1,665 8,132
May-17 0 21.7 5,150 3,814 NA 11 15 2 7,969
Jun-17 0 23.3 0 0 NA 0 16 0 8,243
Jul-17 0 24.3 0 0 NA 0 23 0 8,330
Aug-17 0 26.9 0 0 NA 0 48 0 7,392
Sep-17 0 24.6 0 0 NA 0 106 0 3,905
Oct-17 0 17.8 0 0 NA 0 113 0 2,999
Nov-17 0 15.0 0 0 NA 0 21 0 3,117
Dec-17 0 8.5 0 0 NA 0 12 0 3,442
Cumulative Totals 8,821 155 402 37,557 79,798
NOTES:
Table 2a. Water monitoring of San Luis Drain discharge into Mud Slough (north)
Terminus of drain at Mud Slough (Station B2) and San Luis Drain at Gun Club Road (Station B3)
PARAMETERFlow
(B2)
Temperature
(B2)
Specific
Conductance
(B2)
Boron
(B3)
Boron
(B3)
Total Selenium
(B3)
Total Selenium
(B2)
Daily Selenium
Load
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA USBR SLDMWA USBR Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L ug/L lbs
Jan-01-2017 6.8 4.8 8,070 32 32 1.19
Jan-02-2017 6.7 6.7 7,830 34 1.24
Jan-03-2017 7.1 8.6 8,000 34 1.31
Jan-04-2017 16.4 11.2 7,740 12 28 2.44
Jan-05-2017 37.5 8.2 6,410 10 17 17 3.52
Jan-06-2017 33.3 4.4 3,250 5 6 1.00
Jan-07-2017 27.8 10.0 7,980 18 19 2.83
Jan-08-2017 35.0 14.8 8,180 14 25 4.69
Jan-09-2017 55.5 13.2 7,380 12 26 7.84
Jan-10-2017 84.4 12.1 7,650 13 28 12.80
Jan-11-2017 66.6 12.6 6,690 12 23 8.23
Jan-12-2017 60.7 10.1 5,860 11 12 23 23 7.46
Jan-13-2017 58.8 7.4 6,360 11 23 7.14
Jan-14-2017 53.3 5.8 6,310 12 22 6.32
Jan-15-2017 30.6 4.9 6,470 12 21 3.40
Jan-16-2017 24.8 6.0 5,900 11 23 3.01
Jan-17-2017 24.5 4.3 6,040 11 23 3.01
Jan-18-2017 26.8 7.0 6,440 12 22 3.13
Jan-19-2017 29.6 9.8 6,750 12 24 3.85
Jan-20-2017 71.4 10.2 6,770 12 30 11.47
Jan-21-2017 75.3 9.7 6,350 11 31 12.76
Jan-22-2017 59.6 9.8 5,600 10 25 8.16
Jan-23-2017 43.8 8.4 4,620 9 24 5.65
Jan-24-2017 46.9 6.4 4,850 10 27 6.86
Jan-25-2017 50.7 7.5 5,820 10 26 7.11
Jan-26-2017 44.4 8.1 5,860 9 10 27 23 5.58
Jan-27-2017 49.3 7.8 5,550 9 31 8.11
Jan-28-2017 48.4 9.0 6,300 10 32 8.39
Jan-29-2017 47.6 9.2 6,080 10 36 9.12
Jan-30-2017 46.0 8.5 6,450 10 39 9.55
Jan-31-2017 43.2 8.4 6,710 10 40 9.27
Feb-01-2017 43.3 9.7 6,930 11 45 44 10.23
Feb-02-2017 44.0 13.1 6,910 11 14 48 47 11.25
Feb-03-2017 42.8 15.2 6,960 11 52 52 12.11
Feb-04-2017 41.7 14.5 6,900 11 50 50 11.33
Feb-05-2017 38.3 12.1 6,710 11 49 49 10.15
Feb-06-2017 36.1 13.4 6,290 11 40 39 7.62
Feb-07-2017 36.1 15.1 6,600 11 47 40 7.79
Feb-08-2017 36.0 15.9 6,530 12 38 37 7.27
Feb-09-2017 36.9 15.3 6,410 11 13 36 36 7.11
Feb-10-2017 39.1 14.8 6,330 11 35 34 7.26
Feb-11-2017 75.4 11.3 6,400 11 49 43 17.62
Feb-12-2017 103.1 11.7 5,590 10 33 37 20.31
Feb-13-2017 116.6 11.3 4,480 8 32 32 20.08
Feb-14-2017 78.9 13.8 4,200 10 36 29 12.17
Feb-15-2017 56.4 13.3 3,410 9 55 25 7.57
Feb-16-2017 63.4 14.5 5,060 9 58 39 13.24
Feb-17-2017 56.3 12.1 5,420 10 11 57 45 13.75
Feb-18-2017 45.8 14.2 5,670 10 59 49 12.17
Feb-19-2017 50.1 10.5 5,750 10 60 61 16.38
Feb-20-2017 44.1 14.0 5,460 9 56 56 13.22
Feb-21-2017 49.8 14.1 6,070 9 59 58 15.63
Feb-22-2017 56.9 10.5 5,610 9 51 51 15.51
Feb-23-2017 42.5 8.0 5,150 8 11 44 43 9.79
Feb-24-2017 38.6 8.2 5,530 9 48 51 10.65
Feb-25-2017 37.7 9.2 6,040 10 56 11.33
Feb-26-2017 37.4 10.4 6,370 10 59 11.91
Feb-27-2017 50.6 10.8 6,240 10 59 16.23
Feb-28-2017 56.7 9.0 6,330 9 54 16.39
Mar-01-2017 52.1 10.2 6,430 10 61 17.15
Mar-02-2017 52.4 12.2 6,440 10 63 17.76
Mar-03-2017 55.7 13.3 6,400 10 74 22.19
Mar-04-2017 56.7 13.6 6,020 9 64 19.63
Mar-05-2017 53.4 10.2 5,680 9 65 18.67
Mar-06-2017 53.3 9.6 5,500 9 51 14.76
Mar-07-2017 39.0 11.4 5,680 10 55 11.56
Mar-08-2017 23.6 13.5 5,550 9 54 6.81
Mar-09-2017 14.0 15.8 5,540 9 69 70 5.25
Mar-10-2017 13.4 16.3 5,500 8 9 68 68.6 U 4.95
Mar-11-2017 16.3 17.9 5,500 8 62 5.42
Mar-12-2017 17.8 17.1 5,280 8 58 5.56
Mar-13-2017 16.0 17.9 4,960 7 52 4.51
Mar-14-2017 12.3 20.4 4,740 7 52 3.42
Mar-15-2017 13.1 20.2 4,120 4 6 15 31 2.20
Mar-16-2017 15.9 17.6 3,180 5 21 1.77
Mar-17-2017 14.2 19.8 3,920 7 26 1.99
Mar-18-2017 13.6 17.0 4,920 9 22 1.60
Mar-19-2017 11.6 17.3 5,680 8 17 1.08
Mar-20-2017 10.3 16.9 5,340 6 11 0.64
Mar-21-2017 11.4 16.4 4,080 5 14 0.88
Mar-22-2017 22.4 12.0 3,870 8 14 1.73
Mar-23-2017 52.2 13.6 4,670 6 18 5.19
Mar-24-2017 50.2 12.3 5,950 10 19 5.04
Mar-25-2017 40.5 15.4 7,070 10 35 35 7.60
Mar-26-2017 42.2 14.8 6,730 10 37 8.43
Mar-27-2017 42.1 14.3 6,550 9 31 7.04
Mar-28-2017 39.3 16.4 6,550 9 25 5.32
PARAMETERFlow
(B2)
Temperature
(B2)
Specific
Conductance
(B2)
Boron
(B3)
Boron
(B3)
Total Selenium
(B3)
Total Selenium
(B2)
Daily Selenium
Load
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA USBR SLDMWA USBR Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L ug/L lbs
Mar-29-2017 31.2 18.0 6,520 11 35 5.89
Mar-30-2017 14.1 16.2 6,300 11 11 34 32 2.43
Mar-31-2017 11.5 15.6 6,350 11 33 2.02
Apr-01-2017 10.9 16.9 6,340 11 34 1.98
Apr-02-2017 9.0 17.7 6,150 11 34 1.64
Apr-03-2017 7.0 16.5 6,250 11 33 1.25
Apr-04-2017 6.7 17.8 6,330 11 33 1.21
Apr-05-2017 6.6 19.9 6,400 10 28 1.00
Apr-06-2017 6.3 15.1 6,150 9 27 0.93
Apr-07-2017 6.3 14.4 5,980 9 27 27 0.93
Apr-08-2017 6.6 12.6 5,770 9 27 0.96
Apr-09-2017 16.3 12.8 5,690 8 26 2.24
Apr-10-2017 31.5 15.0 4,400 6 18 3.06
Apr-11-2017 24.4 16.0 2,930 7 19 2.44
Apr-12-2017 10.0 17.9 2,650 8 13 0.68
Apr-13-2017 6.3 15.8 3,400 11 11 0.38
Apr-14-2017 5.3 12.1 4,750 13 10 13 13 0.36
Apr-15-2017 5.4 14.3 5,850 15 13 0.38
Apr-16-2017 5.4 13.4 6,720 15 17 0.49
Apr-17-2017 5.4 14.7 7,070 14 21 0.62
Apr-18-2017 5.2 6,910 13 18 0.50
Apr-19-2017 15.5 19.8 7,910 10 25 2.05
Apr-20-2017 36.8 16.7 6,480 8 20 24 4.76
Apr-21-2017 19.0 17.6 6,450 4 14 5 31 3.19
Apr-22-2017 8.3 17.8 4,900 6 9 0.38
Apr-23-2017 5.8 17.4 3,560 7 10 0.32
Apr-24-2017 5.1 16.2 3,660 10 17 0.46
Apr-25-2017 4.6 16.3 4,090 10 17 0.41
Apr-26-2017 4.7 18.3 4,670 13 9 11 9 0.22
Apr-27-2017 3.5 17.8 5,140 14 11 0.20
Apr-28-2017 1.3 18.6 5,450 14 11 0.07
Apr-29-2017 2.9 19.5 5,650 15 11 0.16
Apr-30-2017 3.2 20.1 6,050 15 10 0.18
May-01-2017 3.2 22.6 6,360 15 10 0.17
May-02-2017 3.3 25.1 6,650 15 11 0.19
May-03-2017 3.6 26.2 7,060 17 11 0.21
May-04-2017 3.7 27.5 7,390 16 15 11 9 0.19
May-05-2017 3.5 21.1 8,170 16 11 0.20
May-06-2017 3.6 16.4 8,160 17 11 0.21
May-07-2017 3.7 18.0 8,130 17 11 0.22
May-08-2017 4.8 21.0 8,170 18 11 0.29
May-09-2017 4.9 22.6 8,510 17 11 0.30
May-10-2017 4.9 20.4 8,890 19 11 0.30
May-11-2017 7.0 19.6 9,280 18 11 0.43
May-12-2017 8.5 17.5 9,480 15 20 11 52 0.50
May-13-2017 6.1 15.3 8,640 14 11 0.35
May-14-2017 5.6 16.0 7,950 13 10 0.32
May-15-2017 5.3 16.7 7,510 13 11 0.31
May-16-2017 5.2 17.4 7,470 16 11 0.32
May-17-2017 5.1 18.6 7,260 14 12 0.31
May-18-2017 5.2 19.7 7,170 14 18 12 11 0.30
May-19-2017 5.3 23.1 7,110 14 11 10 0.29
May-20-2017 5.3 25.8 7,200 13 11 8 0.24
May-21-2017 5.4 27.0 7,290 12 9 7 0.20
May-22-2017 5.3 28.0 7,180 10 8 7 0.19
May-23-2017 5.3 28.0 6,960 10 8 6 0.17
May-24-2017 5.2 24.6 6,610 8 8 6 0.16
May-25-2017 5.0 19.5 6,160 7 12 7 5 0.14
May-26-2017 5.0 19.3 5,760 7 7 5 0.14
May-27-2017 5.1 21.4 5,200 6 7 5 0.14
May-28-2017 5.1 23.0 4,750 6 7 5 0.14
May-29-2017 5.1 22.9 4,360 5 6 5 0.13
May-30-2017 5.2 22.7 3,930 6 7 5 0.13
May-31-2017 5.3 21.8 3,560 5 6 5 0.14
Jun-01-2017 5.3 23.2 3,350 5 6 6 5 0.14
Jun-02-2017 5.3 25.1 3,310 5 5 5 0.14
Jun-03-2017 5.4 26.0 3,330 5 6 5 0.14
Jun-04-2017 5.3 24.5 3,410 5 5 5 0.13
Jun-05-2017 5.4 23.1 3,470 5 5 5 0.14
Jun-06-2017 5.3 25.5 3,520 5 6 5 0.13
Jun-07-2017 5.3 23.5 3,530 5 6 5 0.13
Jun-08-2017 5.3 19.8 3,510 4 5 5 0.14
Jun-09-2017 5.3 22.4 3,450 4 6 5 5 0.14
Jun-10-2017 5.2 19.1 3,340 4 5 5 0.13
Jun-11-2017 5.2 17.8 3,210 4 4 5 0.13
Jun-12-2017 5.2 18.6 3,020 4 5 5 0.13
Jun-13-2017 5.1 21.2 2,910 4 5 5 5 0.13
Jun-14-2017 5.2 24.6 2,810 4 5 4 0.13
Jun-15-2017 16.1 24.8 2,690 4 5 4 0.37
Jun-16-2017 11.6 28.4 2,360 3 4 4 0.25
Jun-17-2017 5.1 30.0 2,310 3 4 4 0.11
Jun-18-2017 5.4 32.4 2,310 3 4 4 0.12
Jun-19-2017 5.4 34.2 2,330 2 4 4 0.12
Jun-20-2017 4.8 32.8 2,300 2 3 4 4 0.10
Jun-21-2017 2.5 31.1 2,240 3 5 4 0.06
Jun-22-2017 2.1 33.1 2,230 3 4 5 0.05
Jun-23-2017 1.4 31.1 2,230 3 4 5 0.03
Jun-24-2017 1.0 28.9 2,220 2 4 5 0.03
Jun-25-2017 0.9 28.3 2,220 2 4 5 0.02
Jun-26-2017 0.6 25.7 2,230 3 4 5 0.02
PARAMETERFlow
(B2)
Temperature
(B2)
Specific
Conductance
(B2)
Boron
(B3)
Boron
(B3)
Total Selenium
(B3)
Total Selenium
(B2)
Daily Selenium
Load
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA USBR SLDMWA USBR Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L ug/L lbs
Jun-27-2017 0.3 24.9 2,240 3 2 5 5 0.01
Jun-28-2017 0.2 24.7 2,250 3 5 5 0.01
Jun-29-2017 0.3 25.3 2,270 3 5 6 0.01
Jun-30-2017 0.3 20.1 2,280 3 5 5 0.01
Jul-01-2017 0.3 24.4 2,280 3 5 5 0.01
Jul-02-2017 0.4 26.8 2,280 3 5 5 0.01
Jul-03-2017 0.3 27.3 2,280 3 5 5 0.01
Jul-04-2017 0.4 28.2 2,290 3 5 5 0.01
Jul-05-2017 0.1 27.5 2,300 4 3 6 6 0.00
Jul-06-2017 2.0 29.1 2,330 4 6 5 0.06
Jul-07-2017 3.3 30.0 2,360 4 6 5 0.09
Jul-08-2017 3.4 31.0 2,390 4 5 5 0.10
Jul-09-2017 3.4 30.2 2,480 5 6 6 0.10
Jul-10-2017 3.1 30.1 2,650 5 6 6 0.10
Jul-11-2017 3.4 29.2 2,810 5 6 5 0.10
Jul-12-2017 3.3 27.6 2,860 6 4 6 5 0.09
Jul-13-2017 3.1 28.1 2,940 5 6 5 0.09
Jul-14-2017 2.9 28.2 3,030 6 5 5 0.08
Jul-15-2017 2.7 27.3 3,060 6 5 5 0.08
Jul-16-2017 4.8 30.2 3,110 6 5 6 0.14
Jul-17-2017 4.6 30.2 3,210 5 5 6 0.15
Jul-18-2017 1.6 27.8 3,260 5 9 6 6 0.05
Jul-19-2017 0.5 25.2 3,280 6 6 6 0.02
Jul-20-2017 0.5 25.4 3,330 6 6 6 0.02
Jul-21-2017 0.5 26.1 3,370 5 6 7 0.02
Jul-22-2017 0.5 27.6 3,400 5 6 6 0.02
Jul-23-2017 0.5 30.1 3,440 5 6 6 0.02
Jul-24-2017 2.1 28.3 3,470 5 6 6 0.07
Jul-25-2017 3.6 26.1 3,490 5 6 6 0.12
Jul-26-2017 3.8 26.6 3,510 5 7 6 0.13
Jul-27-2017 3.2 28.4 3,530 5 6 6 6 0.11
Jul-28-2017 2.0 29.7 3,590 5 6 7 0.07
Jul-29-2017 2.0 27.5 3,620 5 6 7 0.07
Jul-30-2017 1.7 27.4 3,670 4 6 7 0.07
Jul-31-2017 1.7 27.9 3,730 4 6 7 0.06
Aug-01-2017 2.0 30.0 3,710 4 6 7 7 0.08
Aug-02-2017 2.0 32.7 3,680 4 7 7 0.08
Aug-03-2017 1.8 31.8 3,670 4 7 7 0.07
Aug-04-2017 1.7 27.9 3,660 4 7 7 0.06
Aug-05-2017 1.6 28.4 3,640 4 7 7 0.06
Aug-06-2017 1.7 27.3 3,580 4 7 7 0.06
Aug-07-2017 1.8 25.7 3,510 4 7 7 0.07
Aug-08-2017 3.9 25.9 3,510 4 5 7 7 0.15
Aug-09-2017 3.7 26.2 3,400 5 8 7 0.15
Aug-10-2017 3.0 25.9 3,390 5 8 7 0.12
Aug-11-2017 2.7 26.3 3,380 4 7 7 0.10
Aug-12-2017 2.4 27.0 3,320 4 6 7 0.09
Aug-13-2017 2.5 26.1 3,270 4 7 7 0.09
Aug-14-2017 2.6 24.3 3,220 4 7 7 0.09
Aug-15-2017 2.2 22.8 3,200 4 5 8 7 0.08
Aug-16-2017 1.8 24.1 3,140 4 8 7 0.07
Aug-17-2017 1.4 26.5 3,110 4 7 7 0.05
Aug-18-2017 0.6 27.2 3,090 4 6 7 0.02
Aug-19-2017 0.4 26.8 3,100 4 6 7 0.02
Aug-20-2017 0.2 25.1 3,090 4 6 7 0.01
Aug-21-2017 0.2 24.0 3,100 4 7 7 0.01
Aug-22-2017 0.1 25.8 3,100 4 7 7 0.00
Aug-23-2017 0.0 26.2 3,100 4 7 6 0.00
Aug-24-2017 0.0 25.9 3,080 4 3 7 6 0.00
Aug-25-2017 0.0 25.7 3,090 4 6 5 0.00
Aug-26-2017 0.0 27.7 3,100 4 6 5 0.00
Aug-27-2017 0.0 29.4 3,110 4 6 5 0.00
Aug-28-2017 0.0 30.4 3,110 4 7 6 0.00
Aug-29-2017 0.0 28.7 3,140 4 7 7 0.00
Aug-30-2017 0.0 27.2 3,170 4 8 7 0.00
Aug-31-2017 0.0 25.7 3,170 4 8 7 0.00
Sep-01-2017 0.0 28.6 3,180 4 5 6 8 0.00
Sep-02-2017 0.8 31.1 3,190 4 6 9 0.04
Sep-03-2017 4.6 32.2 3,170 4 6 9 0.22
Sep-04-2017 4.9 29.3 3,090 4 7 8 0.21
Sep-05-2017 5.1 28.7 2,940 3 8 6 0.16
Sep-06-2017 5.2 28.3 2,760 3 8 4 0.12
Sep-07-2017 5.1 24.0 2,630 3 6 4 0.10
Sep-08-2017 5.1 24.4 2,610 3 3 6 4 0.10
Sep-09-2017 5.2 25.2 2,600 3 5 3 0.09
Sep-10-2017 5.2 27.1 2,540 4 4 3 0.10
Sep-11-2017 5.3 28.5 2,760 4 3 3 0.10
Sep-12-2017 5.3 27.8 3,170 4 4 3 0.09
Sep-13-2017 5.4 24.2 3,460 4 4
Sep-14-2017 5.4 22.2 3,490 4 4
Sep-15-2017 5.5 20.9 3,220 4 4 4 4 0.12
Sep-16-2017 5.5 22.9 3,030 3 4
Sep-17-2017 5.5 22.6 2,940 3 3
Sep-18-2017 5.5 21.4 2,870 3 3
Sep-19-2017 5.5 18.6 2,860 3 3
Sep-20-2017 5.6 21.0 2,840 3 3
Sep-21-2017 5.6 19.2 2,810 3 3
Sep-22-2017 5.6 17.2 2,770 3 3 3 3 0.10
Sep-23-2017 5.6 17.9 2,790 3 3
Sep-24-2017 5.6 17.7 2,800 3 3
PARAMETERFlow
(B2)
Temperature
(B2)
Specific
Conductance
(B2)
Boron
(B3)
Boron
(B3)
Total Selenium
(B3)
Total Selenium
(B2)
Daily Selenium
Load
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA USBR SLDMWA USBR Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L ug/L lbs
Sep-25-2017 5.7 19.5 2,810 3 3
Sep-26-2017 6.3 21.4 2,840 3 3
Sep-27-2017 6.7 23.3 2,770 3 3
Sep-28-2017 6.7 24.2 2,720 3 3 3 0.10
Sep-29-2017 6.8 23.0 2,660 3 3 3 0.10
Sep-30-2017 6.8 21.1 2,650 3 3 3 0.10
Oct-01-2017 6.5 20.6 2,650 3 3 3 0.09
Oct-02-2017 6.6 19.8 2,640 3 3 3 0.10
Oct-03-2017 7.1 15.6 2,550 3 3 2 0.09
Oct-04-2017 7.1 16.7 2,460 3 3 3 0.11
Oct-05-2017 7.0 17.6 2,470 3 3 3 0.11
Oct-06-2017 7.1 19.0 2,470 3 3 3 3 0.11
Oct-07-2017 7.1 20.1 2,450 3 3 3 0.11
Oct-08-2017 7.1 19.1 2,490 3 3 3 0.12
Oct-09-2017 8.0 19.4 2,460 3 3 3 0.13
Oct-10-2017 9.0 18.9 2,420 3 3 3 0.14
Oct-11-2017 8.6 16.1 2,370 3 3 3 0.14
Oct-12-2017 8.7 16.1 2,360 3 3 3 0.13
Oct-13-2017 9.2 14.0 2,400 3 3 3 3 0.13
Oct-14-2017 9.6 15.7 2,470 3 3 3 0.14
Oct-15-2017 10.4 16.5 2,450 3 3 3 0.15
Oct-16-2017 10.4 17.3 2,360 3 3 3 0.14
Oct-17-2017 10.6 17.6 2,250 3 3 3 0.15
Oct-18-2017 10.6 18.1 2,230 3 2 3 0.14
Oct-19-2017 10.6 17.8 2,200 3 3 2 3 0.14
Oct-20-2017 10.7 15.6 2,240 3 2 2 0.13
Oct-21-2017 10.6 14.2 2,220 2 2 2 0.13
Oct-22-2017 10.5 15.5 2,190 2 2 2 0.12
Oct-23-2017 10.9 18.2 2,230 3 2 2 0.12
Oct-24-2017 15.4 19.8 2,260 3 2 2 0.19
Oct-25-2017 10.4 20.3 2,200 3 2 2 0.12
Oct-26-2017 9.8 20.6 2,180 3 2 2 0.12
Oct-27-2017 9.8 20.6 2,180 3 3 2 2 0.11
Oct-28-2017 9.8 20.2 2,200 3 2 2 0.12
Oct-29-2017 9.8 17.9 2,230 3 2 2 0.12
Oct-30-2017 9.9 15.5 2,260 3 2 2 0.12
Oct-31-2017 10.0 12.8 2,310 3 3 2 2 0.11
Nov-01-2017 10.6 14.9 2,310 3 2 2 0.12
Nov-02-2017 10.5 13.8 2,280 3 2 2 0.11
Nov-03-2017 10.8 15.5 2,280 3 2 2 0.13
Nov-04-2017 10.6 15.6 2,290 3 2 2 0.12
Nov-05-2017 10.0 11.5 2,330 3 2 2 0.11
Nov-06-2017 10.0 11.2 2,360 3 2 2 0.11
Nov-07-2017 10.2 11.6 2,360 3 3 2 2 0.11
Nov-08-2017 10.7 13.3 2,320 3 1 2 0.11
Nov-09-2017 10.7 17.0 2,410 3 2 2 0.10
Nov-10-2017 10.4 15.7 2,450 3 2 2 0.09
Nov-11-2017 10.4 14.3 2,320 3 2 2 0.09
Nov-12-2017 10.8 13.3 2,340 3 1 2 0.10
Nov-13-2017 10.7 14.1 2,300 3 2 2 0.10
Nov-14-2017 10.3 16.1 2,320 3 2 2 0.09
Nov-15-2017 10.7 15.2 2,440 3 1 2 0.10
Nov-16-2017 11.2 16.0 2,420 3 1 2 0.10
Nov-17-2017 11.2 13.9 2,330 3 3 2 2 0.10
Nov-18-2017 10.9 11.0 2,330 3 1 2 0.10
Nov-19-2017 10.7 11.2 2,290 3 2 2 0.09
Nov-20-2017 10.6 14.5 2,400 3 2 2 0.09
Nov-21-2017 10.3 13.1 2,350 3 2 2 0.09
Nov-22-2017 10.2 14.8 2,270 3 3 1 2 0.09
Nov-23-2017 9.9 17.0 2,270 3 1 2 0.09
Nov-24-2017 10.0 18.1 2,320 3 2 2 0.09
Nov-25-2017 10.0 15.1 2,370 3 1 2 0.09
Nov-26-2017 10.0 15.3 2,300 3 2 2 0.09
Nov-27-2017 10.0 13.1 2,360 3 2 2 0.09
Nov-28-2017 10.0 10.5 2,420 3 2 2 0.09
Nov-29-2017 9.8 10.5 2,350 3 3 2 2 0.09
Nov-30-2017 9.8 10.3 2,350 3 2 2 0.09
Dec-01-2017 8.7 9.3 2,350 3 1 2 0.08
Dec-02-2017 8.7 9.8 2,410 3 2 2 0.08
Dec-03-2017 8.4 12.5 2,380 3 2 2 0.08
Dec-04-2017 8.3 10.2 2,410 3 2 2 0.07
Dec-05-2017 8.8 8.7 2,420 1 2 2 0.08
Dec-06-2017 9.1 6.2 2,410 3 2 2 0.08
Dec-07-2017 9.2 7.0 2,450 3 3 2 2 0.07
Dec-08-2017 9.5 7.3 2,540 2 2 1 0.07
Dec-09-2017 10.7 7.4 2,500 3 1 1 0.08
Dec-10-2017 12.1 7.6 2,500 1 2 1 0.09
Dec-11-2017 10.9 7.8 2,490 3 2 1 0.08
Dec-12-2017 10.2 6.7 2,480 2 2 1 0.08
Dec-13-2017 9.5 6.0 2,510 3 1 1 0.07
Dec-14-2017 9.6 6.9 2,550 5 1 1 0.07
Dec-15-2017 9.4 7.3 2,560 3 3 1 1 0.07
Dec-16-2017 8.6 12.3 2,550 3 2 1 0.06
Dec-17-2017 10.6 10.0 2,580 3 2 1 0.07
Dec-18-2017 12.1 7.5 2,590 3 2 1 0.08
Dec-19-2017 12.4 7.9 2,610 3 1 1 0.09
Dec-20-2017 13.1 10.2 2,580 3 1 1 0.09
Dec-21-2017 14.9 6.2 2,560 3 3 1 2 0.12
Dec-22-2017 15.5 3.7 2,530 3 1 1 0.11
Dec-23-2017 14.8 7.9 2,530 2 1 1 0.11
PARAMETERFlow
(B2)
Temperature
(B2)
Specific
Conductance
(B2)
Boron
(B3)
Boron
(B3)
Total Selenium
(B3)
Total Selenium
(B2)
Daily Selenium
Load
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA USBR SLDMWA USBR Calculated
UNITS cfs °C µS/cm mg/L mg/L ug/L ug/L lbs
Dec-24-2017 14.4 7.0 2,560 3 1 1 0.11
Dec-25-2017 14.4 9.4 2,660 3 1 2 0.12
Dec-26-2017 14.4 10.1 2,680 3 2 1 0.11
Dec-27-2017 14.3 8.3 2,590 3 4 1 1 0.10
Dec-28-2017 12.2 7.9 2,560 3 1 1 0.09
Dec-29-2017 9.6 7.5 2,590 3 1 1 0.07
Dec-30-2017 9.6 6.6 2,590 3 1 1 0.06
Dec-31-2017 9.6 8.8 2,560 3 1 1 0.06
Table 2b. Monthly averages and totals
PARAMETER Total FlowAverage
Temperature
Average Specific
Conducantce
Average Boron
(SLDMWA)
Average Boron
(USBR)
Average Selenium
(SLDMWA)
Average Selenium
(USBR) Selenium Load
Selenium Load
Objective
DATA SOURCE Calculated Calculated Calculated Calculated Calculated Calculated Calculated Calculated UA3
UNITS acre-feet °C µS/cm mg/L mg/L ug/L ug/L lbs lbs
Jan-17 2,604 9 6,460 11 11 26 22 187 74
Feb-17 2,885 12 5,910 10 12 49 42 382 171
Mar-17 1,808 15 5,520 8 9 40 44 199 171
Apr-17 566 17 5,460 11 11 19 24 29 177
May-17 307 22 7,040 13 16 10 11 8 179
Jun-17 261 26 2,760 3 5 5 4 3 124
Jul-17 131 28 3,010 5 5 6 6 2 125
Aug-17 80 27 3,290 4 5 7 7 2 128
Sep-17 312 24 2,900 3 4 4 4 3 116
Oct-17 572 18 2,350 3 3 3 2 2 115
Nov-17 619 14 2,340 3 3 2 2 3 115
Dec-17 681 8 2,530 3 3 1 1 2 74
Cumulative Totals 10,826 14 14 823 1,570
NOTES:
Table 2c. Other water qulity monitoring in the San Luis Drain (Station B3)
PARAMETER Dissolved Oxygen pHSpecific
ConductanceTemperature Turbidity
DATA SOURCE USBR USBR USBR USBR USBR USBR USBR USBR
UNITS mg/L units µS/cm °C NTU ug/L mg/L ug/L
Jan-03-2017 No samples collected due to unsafe conditions.
Jan-12-2017 9.3 7.6 5,430 13.1 14.0 23 12
Jan-19-2017 No samples collected due to unsafe conditions.
Jan-26-2017 12.1 7.7 4,990 10.9 37.8 23 10 18
Feb-02-2017 12.3 7.7 6,670 13.1 24.5 45 14
Feb-09-2017 4.5 7.7 5,910 15.1 16.2 36 13
Feb-17-2017 45.9 11 Site not accessible due to flooding.
Feb-23-2017 11.7 8.1 4,830 14.0 42.4 46 11 24
Mar-03-2017 Site not accessible due to flooding.
Mar-10-2017 15.9 8.5 5,250 17.8 13.8 69 9
Mar-15-2017 16.0 8.2 3,860 23.8 11.4 31 6
Mar-23-2017 No samples collected due to unsafe conditions.
Mar-30-2017 13.5 8.3 6030 18.2 30.7 31.9 11 16
Apr-06-2017 No samples collected due to unsafe conditions.
Apr-14-2017 11.4 8.0 4,440 17.2 21.0 13 10
Apr-21-2017 9.4 8.2 6,490 19.4 13.6 31 14
Apr-26-2017 10.6 8.2 4,530 19.7 18.2 9 9 31
May-04-2017 7.2 8.1 6,770 25.2 19.6 9 15
May-12-2017 13.7 8.0 8,810 20.6 13.7 52 20
May-18-2017 8.0 8.0 6,500 19.1 24.1 51 15
May-25-2017 4.6 8.5 5,740 24.1 22.5 18 12 46
Jun-01-2017 7.5 6.4 3,110 25.9 30.2 12 5
Jun-09-2017 5.0 8.2 3,240 23.1 49.3 6 6
Jun-13-2017 9.7 8.6 2,740 21.8 52.6 5 5
Jun-20-2017 8.7 8.2 2,200 29.3 14.8 4 3
Jun-27-2017 8.8 8.1 2,150 25.7 12.9 4 2 26
Jul-05-2017 7.0 8.2 2,230 25.9 25.1 5 3
Jul-12-2017 6.6 8.1 2,750 25.0 33.3 5 4
Jul-18-2017 11.5 8.6 3,140 26.3 24.1 5 6
Jul-27-2017 6.4 8.4 3,400 26.0 25.0 5 6 34
Aug-01-2017 7.2 8.4 3,420 26.2 16.0 6 6
Aug-08-2017 11.5 8.6 3,280 25.7 8.7 6 5
Aug-15-2017 5.5 8.7 1,590 24.6 9.3 8 5
Aug-24-2017 8.4 2,360 25.6 7 3 34
Sep-01-2017 9.5 8.7 2,880 25.0 11.1 8 5
Sep-08-2017 10.5 8.7 2,460 24.8 7.6 8 3
Sep-15-2017 8.2 3,100 24.5 4.8 4 4
Sep-22-2017 8.0 2,700 22.2 3.9 3 3
Sep-26-2017
Oct-06-2017 7.4 8.2 2,420 21.9 7.7 3 3
Oct-13-2017 8.2 2,230 18.5 5.7 3 3
Oct-19-2017 10.3 8.0 2,140 19.4 3.1 3 3
Oct-27-2017 7.0 8.1 2,110 22.0 2.6 2 3
Oct-31-2017 13.0 7.9 2,220 17.2 4.1 2 3 47
Nov-07-2017 14.4 8.0 2,360 16.6 3.2 3 3
Nov-17-2017 11.9 8.0 2,280 16.4 2.4 2 3
Nov-22-2017 13.3 7.9 2,140 14.8 1.9 2 3
Nov-29-2017 7.8 2,260 13.6 1.5 2 3 44
Dec-07-2017 15.4 8.0 2,310 10.0 1.5 2 3
Dec-15-2017 10.5 7.3 2,510 9.4 1.9 2 3
Dec-21-2017 16.7 8.0 2,400 8.8 2.2 1 3
Dec-27-2017 10.6 7.8 2,650 10.1 2.5 1 4 57
PARAMETERNitrates as N
(Dissolved)Ammonia as N
Total Kjeldahl
Nitrogen
Total Phosphorous
as P
Ortho-phosphate
as P
DATA SOURCE USBR USBR USBR USBR USBR
UNITS mg/L mg/L mg/L mg/L mg/L
Jan-26-2017 3.70 0.22
Feb-23-2017
Mar-30-2017 11 U 0.13
Apr-26-2017 0.03 0.15
May-25-2017 <0.05 V 0.15
Jun-27-2017 0.02 0.16
Jul-27-2017 0.01 0.17 T
Aug-24-2017 0.01 0.13
Sep-26-2017
Oct-31-2017 <0.01 <0.05
Nov-29-2017 <0.01 0.06
Dec-27-2017 <0.01 T <0.05
NOTES:
Physicals
Total Selenium Total Boron Total Molybdenum
Nutrients
Figure 2. Monthly selenium discharge from the terminus of the San Luis Drain into Mud Slough compared to selenium loab objectives
Table 3a. Water monitoring in Mud Slough (north) below San Luis Drain discharge (Station D)
USGS Station Code: 11262900
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Jan-01-2017 62 191 9.1 2,970
Jan-02-2017 58 181 9.3 3,010
Jan-03-2017 59 184 9.9 3,050
Jan-04-2017 81 227 10.7 3,170
Jan-05-2017 121 297 11.0 3,280
Jan-06-2017 146 335 9.4 2,370
Jan-07-2017 200 416 9.7 2,670
Jan-08-2017 245 480 11.4 2,770
Jan-09-2017 332 610 12.5 2,540
Jan-10-2017 387 680 12.4 2,860
Jan-11-2017 416 716 12.3 2,290
Jan-12-2017 540 895 11.8 1,640
Jan-13-2017 599 977 11.0 1,610
Jan-14-2017 589 960 10.3 1,600
Jan-15-2017 538 881 9.6 1,600
Jan-16-2017 494 815 9.3 1,600
Jan-17-2017 455 756 8.9 1,610
Jan-18-2017 433 724 8.8 1,680
Jan-19-2017 433 724 9.2 1,750
Jan-20-2017 462 769 10.2 2,220
Jan-21-2017 492 815 10.3 1,990
Jan-22-2017 590 964 10.4 1,500
Jan-23-2017 607 988 10.5 1,120
Jan-24-2017 596 970 10.0 1,170
Jan-25-2017 585 954 9.8 1,250
Jan-26-2017 587 957 10.1 1,170
Jan-27-2017 580 946 10.1 1,190
Jan-28-2017 560 915 10.2 1,250
Jan-29-2017 541 888 10.4 1,220
Jan-30-2017 532 874 10.6 1,240
Jan-31-2017 528 867 10.7 1,220
Feb-01-2017 445 738 11.1 1,830
Feb-02-2017 378 641 12.1 2,490
Feb-03-2017 343 588 13.7 2,730
Feb-04-2017 308 534 14.7 2,900
Feb-05-2017 283 497 14.5 2,950
Feb-06-2017 281 494 13.9 2,860
Feb-07-2017 312 545 13.9 2,600
Feb-08-2017 383 650 14.5 1,870
Feb-09-2017 425 715 14.2 1,800
Feb-10-2017 518 871 14.4 1,770
Feb-11-2017 573 991 13.7 2,220
Feb-12-2017 619 1110 13.0 2,000
Feb-13-2017 622 1153 12.6 1,600
Feb-14-2017 592 1133 13.1 1,360
Feb-15-2017 581 1120 13.3 1,140
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Feb-16-2017 574 1107 13.8 1,360
Feb-17-2017 539 1043 13.2 1,630
Feb-18-2017 535 1040 13.1 1,890
Feb-19-2017 528 1023 12.8 2,180
Feb-20-2017 511 991 12.6 2,250
Feb-21-2017 507 986 14.0 2,390
Feb-22-2017 543 1052 13.5 1,860
Feb-23-2017 557 1075 12.4 1,360
Feb-24-2017 554 1069 12.1 1,310
Feb-25-2017 549 1060 12.2 1,340
Feb-26-2017 546 1057 12.5 1,340
Feb-27-2017 541 1048 13.0 1,300
Feb-28-2017 503 990 12.6 1,530
Mar-01-2017 455 920 12.7 1,940
Mar-02-2017 422 880 13.6 2,260
Mar-03-2017 402 859 14.8 2,610
Mar-04-2017 382 839 15.7 2,730
Mar-05-2017 362 819 14.8 2,750
Mar-06-2017 340 793 13.4 2,850
Mar-07-2017 323 777 13.9 2,960
Mar-08-2017 304 756 14.9 2,840
Mar-09-2017 289 743 16.4 2,370
Mar-10-2017 279 738 17.4 2,350
Mar-11-2017 266 728 18.1 2,570
Mar-12-2017 252 715 18.9 2,370
Mar-13-2017 238 701 19.0 2,350
Mar-14-2017 228 694 19.9 2,270
Mar-15-2017 221 694 21.1 2,170
Mar-16-2017 213 693 20.3 2,060
Mar-17-2017 205 690 20.4 2,110
Mar-18-2017 199 691 20.2 2,190
Mar-19-2017 182 668 19.0 2,180
Mar-20-2017 168 648 18.6 2,150
Mar-21-2017 161 645 18.2 2,090
Mar-22-2017 163 665 16.6 2,110
Mar-23-2017 168 694 16.5 2,360
Mar-24-2017 167 707 16.3 2,430
Mar-25-2017 165 719 16.5 2,490
Mar-26-2017 156 710 17.3 2,630
Mar-27-2017 148 706 17.3 2,700
Mar-28-2017 136 688 16.9 2,580
Mar-29-2017 121 658 18.0 2,270
Mar-30-2017 109 638 18.4 1,990
Mar-31-2017 94 607 15.4 1,920
Apr-01-2017 79 569 16.4 1,870
Apr-02-2017 69 550 18.5 1,850
Apr-03-2017 59 523 18.9 1,830
Apr-04-2017 41 467 19.1 2,060
Apr-05-2017 34 444 20.3 2,170
Apr-06-2017 35 449 18.9 1,940
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Apr-07-2017 36 454 16.3 1,920
Apr-08-2017 34 446 16.0 1,960
Apr-09-2017 34 444 16.4 2,210
Apr-10-2017 38 466 17.5 2,330
Apr-11-2017 44 489 18.3 2,050
Apr-12-2017 47 505 19.2 1,920
Apr-13-2017 51 519 18.7 1,990
Apr-14-2017 54 533 17.5 2,090
Apr-15-2017 49 514 17.3 2,290
Apr-16-2017 47 503 17.6 2,400
Apr-17-2017 46 497 17.1 2,530
Apr-18-2017 43 489 18.0 2,520
Apr-19-2017 41 479 19.2 2,720
Apr-20-2017 43 488 19.9 3,470
Apr-21-2017 39 468 19.7 2,740
Apr-22-2017 33 442 20.0 2,530
Apr-23-2017 30 428 20.0 2,360
Apr-24-2017 32 436 20.3 2,350
Apr-25-2017 37 460 19.4 2,140
Apr-26-2017 36 457 19.4 2,170
Apr-27-2017 38 464 20.5 2,470
Apr-28-2017 42 480 18.9 2,720
Apr-29-2017 35 451 17.6 2,860
Apr-30-2017 32 438 19.8 2,760
May-01-2017 31 434 21.3 2,640
May-02-2017 31 426 22.4 2,240
May-03-2017 34 405 22.4 3,740
May-04-2017 40 382 22.4 6,250
May-05-2017 41 345 22.2 7,940
May-06-2017 36 288 21.9 9,110
May-07-2017 31 237 21.3 10,700
May-08-2017 32 217 22.5 1,750
May-09-2017 29 208 22.2 3,780
May-10-2017 33 221 21.9 2,610
May-11-2017 39 238 21.9 7,470
May-12-2017 41 247 21.3 7,600
May-13-2017 32 218 20.2 6,230
May-14-2017 26 198 20.1 1,900
May-15-2017 24 187 20.2 1,440
May-16-2017 24 189 19.3 1,390
May-17-2017 26 191 20.0 1,460
May-18-2017 35 191 20.3 1,430
May-19-2017 42 170 21.9 1,340
May-20-2017 52 163 23.8 1,180
May-21-2017 46 120 25.3 1,500
May-22-2017 45 98 26.2 1,690
May-23-2017 44 92 26.7 1,570
May-24-2017 45 95 26.0 1,410
May-25-2017 46 93 23.2 1,450
May-26-2017 52 105 22.0 1,280
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
May-27-2017 53 106 23.0 1,300
May-28-2017 69 131 24.1 1,120
May-29-2017 78 141 24.8 1,040
May-30-2017 86 154 24.4 958
May-31-2017 79 141 24.5 1,030
Jun-01-2017 94 161 24.7 933
Jun-02-2017 93 190 25.4 1,170
Jun-03-2017 94 261 25.8 1,130
Jun-04-2017 78 309 25.6 1,270
Jun-05-2017 55 334 24.8 1,390
Jun-06-2017 33 347 25.7 1,420
Jun-07-2017 16 356 25.1 1,470
Jun-08-2017 6 364 22.9 1,330
Jun-09-2017 6 368 23.1 1,210
Jun-10-2017 5 365 22.6 1,410
Jun-11-2017 5 360 21.8 1,470
Jun-12-2017 5 357 21.2 1,450
Jun-13-2017 6 373 22.5 1,360
Jun-14-2017 7 381 23.1 1,910
Jun-15-2017 8 394 24.6 2,360
Jun-16-2017 8 397 25.6 1,790
Jun-17-2017 9 402 27.0 1,200
Jun-18-2017 8 394 28.6 862
Jun-19-2017 7 381 30.1 918
Jun-20-2017 6 372 30.4 950
Jun-21-2017 5 373 30.2 1,300
Jun-22-2017 4 380 29.7 1,700
Jun-23-2017 4 398 29.4 1,860
Jun-24-2017 4 420 28.9 1,890
Jun-25-2017 4 439 28.3 1,940
Jun-26-2017 4 467 27.1 1,940
Jun-27-2017 5 502 26.3 2,020
Jun-28-2017 7 521 25.8 1,980
Jun-29-2017 7 500 25.6 1,810
Jun-30-2017 14 438 25.5 1,610
Jul-01-2017 25 372 25.8 1,950
Jul-02-2017 37 309 25.8 2,330
Jul-03-2017 39 218 26.9 2,570
Jul-04-2017 27 119 27.5 2,880
Jul-05-2017 18 45 26.9 3,410
Jul-06-2017 16 33 27.0 3,630
Jul-07-2017 15 29 27.0 3,900
Jul-08-2017 14 26 26.9 4,160
Jul-09-2017 12 23 26.9 4,740
Jul-10-2017 12 21 27.4 5,310
Jul-11-2017 11 21 26.6 5,460
Jul-12-2017 13 24 26.6 4,230
Jul-13-2017 15 29 27.4 3,200
Jul-14-2017 16 31 27.8 3,290
Jul-15-2017 16 32 26.8 2,790
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Jul-16-2017 18 36 27.3 2,320
Jul-17-2017 15 30 27.7 2,640
Jul-18-2017 15 30 26.8 2,720
Jul-19-2017 15 30 26.1 2,260
Jul-20-2017 15 29 26.2 1,780
Jul-21-2017 19 39 26.6 1,900
Jul-22-2017 24 48 26.9 1,530
Jul-23-2017 30 60 27.8 1,340
Jul-24-2017 31 61 28.0 1,250
Jul-25-2017 31 61 27.3 1,240
Jul-26-2017 30 60 27.2 1,240
Jul-27-2017 27 56 27.5 1,530
Jul-28-2017 25 52 27.9 1,580
Jul-29-2017 22 46 27.5 1,770
Jul-30-2017 18 37 27.2 2,150
Jul-31-2017 19 39 27.2 1,990
Aug-01-2017 21 43 27.8 1,810
Aug-02-2017 18 37 29.5 1,870
Aug-03-2017 12 23 28.8 1,970
Aug-04-2017 11 20 26.0 2,050
Aug-05-2017 9 16 26.4 2,560
Aug-06-2017 7 11 26.8 4,320
Aug-07-2017 7 10 26.1 5,180
Aug-08-2017 9 15 26.3 4,110
Aug-09-2017 11 19 26.8 2,260
Aug-10-2017 9 16 26.8 2,530
Aug-11-2017 8 13 26.7 3,280
Aug-12-2017 8 12 27.1 4,270
Aug-13-2017 16 32 26.3 1,770
Aug-14-2017 19 40 26.3 1,240
Aug-15-2017 25 51 25.0 1,040
Aug-16-2017 16 34 25.6 1,200
Aug-17-2017 8 14 26.2 2,210
Aug-18-2017 8 12 26.8 3,580
Aug-19-2017 17 35 26.6 920
Aug-20-2017 24 49 26.2 650
Aug-21-2017 20 41 25.6 595
Aug-22-2017 22 45 25.6 524
Aug-23-2017 18 36 26.7 642
Aug-24-2017 14 28 26.0 704
Aug-25-2017 12 24 25.9 735
Aug-26-2017 8 12 25.9 1,910
Aug-27-2017 10 17 26.8 1,150
Aug-28-2017 9 15 27.6 1,270
Aug-29-2017 11 20 27.2 898
Aug-30-2017 7 12 26.2 1,610
Aug-31-2017 7 10 25.1 2,290
Sep-01-2017 7 11 25.9 2,440
Sep-02-2017 12 22 27.1 954
Sep-03-2017 17 34 27.9 1,010
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Sep-04-2017 14 28 26.9 1,410
Sep-05-2017 16 33 27.7 1,140
Sep-06-2017 20 42 27.7 932
Sep-06-2016 20 42 25.7 872
Sep-07-2016 24 50 25.2 773
Sep-08-2016 22 47 25.6 874
Sep-09-2016 25 51 25.9 781
Sep-10-2016 26 53 26.2 836
Sep-11-2016 31 64 26.4 814
Sep-12-2016 39 78 25.7 722
Sep-13-2016 34 68 24.1 776
Sep-14-2016 24 51 23.0 989
Sep-15-2016 21 44 23.0 1,120
Sep-16-2016 18 38 23.0 1,230
Sep-17-2016 17 35 22.9 1,370
Sep-18-2016 25 51 21.3 1,020
Sep-19-2016 60 110 21.2 630
Sep-20-2016 91 158 21.5 497
Sep-21-2016 94 164 20.1 528
Sep-22-2016 37 75 19.3 831
Sep-23-2016 28 57 19.0 1,030
Sep-24-2016 26 53 19.5 1,150
Sep-25-2016 38 75 20.3 903
Sep-26-2016 46 92 21.4 820
Sep-27-2016 29 60 22.2 1,170
Sep-28-2016 29 59 22.1 1,200
Sep-29-2016 34 69 21.9 1,060
Sep-30-2016 36 73 20.1 1,040
Oct-01-2016 36 72 17.7 1,140
Oct-02-2016 40 79 17.6 1,050
Oct-03-2016 48 96 18.1 944
Oct-04-2016 45 89 18.3 1,030
Oct-05-2016 45 89 18.7 1,100
Oct-06-2016 46 90 19.3 1,130
Oct-07-2016 49 98 18.8 1,100
Oct-08-2016 56 109 17.9 1,050
Oct-09-2016 63 119 18.4 1,000
Oct-10-2016 73 133 18.0 933
Oct-11-2016 68 126 16.0 1,020
Oct-12-2016 70 129 15.7 1,020
Oct-13-2016 76 137 16.0 1,000
Oct-14-2016 101 172 16.5 880
Oct-15-2016 115 192 17.2 854
Oct-16-2016 121 200 17.6 837
Oct-17-2016 141 229 17.9 776
Oct-18-2016 156 253 18.1 747
Oct-19-2016 150 244 17.9 797
Oct-20-2016 134 219 16.8 853
Oct-21-2016 131 214 16.9 845
Oct-22-2016 136 221 17.6 839
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Oct-23-2016 129 211 18.5 897
Oct-24-2016 122 203 19.3 921
Oct-25-2016 113 189 19.8 958
Oct-26-2016 113 189 20.1 959
Oct-27-2016 115 192 20.0 961
Oct-28-2016 115 192 19.6 982
Oct-29-2016 116 194 18.6 991
Oct-30-2016 116 194 17.1 994
Oct-31-2016 120 200 16.7 999
Nov-01-2016 115 193 16.3 1,030
Nov-02-2016 120 199 16.3 1,000
Nov-03-2016 119 198 16.5 1,000
Nov-04-2016 123 204 15.6 998
Nov-05-2016 122 202 14.7 1,030
Nov-06-2016 118 196 14.4 1,040
Nov-07-2016 129 211 14.3 1,000
Nov-08-2016 134 218 15.4 997
Nov-09-2016 135 220 15.9 1,000
Nov-10-2016 135 220 15.9 1,000
Nov-11-2016 136 221 15.6 1,010
Nov-12-2016 140 227 15.5 992
Nov-13-2016 132 215 16.2 1,040
Nov-14-2016 125 205 16.0 1,070
Nov-15-2016 127 206 16.0 1,090
Nov-16-2016 125 204 15.7 1,120
Nov-17-2016 128 210 14.4 1,100
Nov-18-2016 133 218 13.9 1,080
Nov-19-2016 132 217 14.5 1,110
Nov-20-2016 141 233 14.6 1,060
Nov-21-2016 145 240 14.6 1,060
Nov-22-2016 141 232 15.7 1,090
Nov-23-2016 135 220 16.7 1,140
Nov-24-2016 129 210 16.7 1,170
Nov-25-2016 129 211 16.3 1,160
Nov-26-2016 129 211 15.4 1,170
Nov-27-2016 123 201 14.0 1,230
Nov-28-2016 122 200 13.3 1,200
Nov-29-2016 120 197 12.8 1,220
Nov-30-2016 120 197 12.4 1,230
Dec-01-2016 116 190 12.3 1,270
Dec-02-2016 111 182 12.4 1,310
Dec-03-2016 106 174 10.4 1,380
Dec-04-2016 105 174 9.5 1,360
Dec-05-2016 112 185 9.2 1,340
Dec-06-2016 106 174 9.2 1,430
Dec-07-2016 95 157 9.3 1,520
Dec-08-2016 97 159 9.3 1,470
Dec-09-2016 95 157 9.4 1,490
Dec-10-2016 93 154 9.5 1,510
Dec-11-2016 91 150 9.5 1,540
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Dec-12-2016 89 147 9.3 1,570
Dec-13-2016 88 146 9.4 1,600
Dec-14-2016 86 142 9.4 1,640
Dec-15-2016 83 137 9.6 1,700
Dec-16-2016 83 138 8.7 1,670
Dec-17-2016 78 130 8.9 1,770
Dec-18-2016 73 121 9.1 1,850
Dec-19-2016 71 118 10.4 1,880
Dec-20-2016 73 123 9.0 1,840
Dec-21-2016 82 137 8.2 1,730
Dec-22-2016 87 144 8.8 1,670
Dec-23-2016 86 143 9.2 1,700
Dec-24-2016 86 144 9.4 1,720
Dec-25-2016 86 143 10.0 1,740
Dec-26-2016 80 133 10.0 1,820
Dec-27-2016 81 136 10.0 1,790
Dec-28-2016 82 136 10.1 1,790
Dec-29-2016 85 141 10.0 1,760
Dec-30-2016 86 144 10.3 1,740
Dec-31-2016
NOTES
USGS data webpage
http://waterdata.usgs.gov/nwis/dv/?site_no=11262900&agency_cd=USGS&referred_module=sw
Table 3b. Monthly averages and totals
PARAMETER Total Flow (USGS) Total Flow (CDED) Average TemperatureAverage Specific
Conductance
DATA SOURCE Calculated Calculated Calculated Calculated
UNITS acre-feet acre-feet °C µS/cm
Jan-17 25,480 43,550 10 1,960
Feb-17 27,080 50,220 13 1,920
Mar-17 14,520 44,600 17 2,380
Apr-17 2,530 28,470 19 2,310
May-17 2,620 12,760 23 3,110
Jun-17 1,200 22,420 26 1,500
Jul-17 1,260 4,060 27 2,680
Aug-17 790 1,510 27 1,970
Sep-17 1,830 3,600 24 1,000
Oct-17 5,700 9,810 18 960
Nov-17 7,660 12,570 15 1,070
Dec-17 5580 9240 10 1610
NOTES:
Table 3c. Other water qulity monitoring in Mud Slough (north) below San Luis Drain discharge(Station D)
Table 3c. Other water qulity monitoring in Mud Slough (north) below San Luis Drain discharge(Station D)
PARAMETER Dissolved Oxygen pHSpecific
ConductanceTemperature Turbidity
Total Organic
Carbon
DATA SOURCE USBR USBR USBR USBR USBR USBR USBR USBR USBR
UNITS mg/L units µS/cm °C NTU ug/L mg/L ug/L mg/L
Jan-03-2017 No samples collected due to unsafe conditions.
Jan-12-2017 8.7 7.3 1,600 13.3 304.0 2.8 2.1 11.0
Jan-19-2017 No samples collected due to unsafe conditions.
Jan-26-2017 13.3 7.1 1,170 11.3 72.7 2.1 1 4 10
Feb-02-2017 10.3 7.8 2,670 12.1 43.2 8.44 U 3.5 14
Feb-09-2017 6.7 7.9 2,020 14.3 63.7 4.37 U 2.4 14
Feb-17-2017 Site not accessible due to flooding.Feb-23-2017 9.3 7.8 1,270 14.3 100.0 5.69 U 1.8 5 6.4
Mar-03-2017 Site not accessible due to flooding.Mar-10-2017 9.4 7.7 2,080 11.4 50.4 5.55 U 2.0 14.0
Mar-17-2017 10.0 7.7 2,160 21.3 32.6 1.8 1.4 15.0
Mar-23-2017 No samples collected due to unsafe conditions.
Mar-30-2017 8.5 7.7 1,960 17.9 42.4 1.9 2.0 6 14.0
Apr-07-2017 No samples collected due to unsafe conditions.
Apr-14-2017 10.2 8.3 2,080 16.3 59.6 0.7 2.1 14.0
Apr-21-2017 10.4 8.2 2,730 18.7 56.1 5.52 U 3.9 12.0
Apr-26-2017 8.5 7.8 2,200 19.4 33.9 0.8 2.2 9 15.0
May-04-2017 10.0 8.3 2,370 29.8 42.3 0.6 2.0 12.0
May-12-2017 11.3 8.2 3,080 20.5 64.6 2.0 4.8 9.8
May-18-2017 9.1 8.3 1,420 18.0 82.7 0.8 1.3 7.8
May-25-2017 4.9 8.1 1,790 22.8 75.4 0.8 1.6 10 9.6
Jun-01-2017 7.4 6.1 870 25.7 84.8 0.7 0.7 9.1
Jun-09-2017 4.1 8.1 1,210 22.0 63.6 0.6 1.2 11.0
Jun-13-2017 9.4 8.3 1,250 22.1 64.7 0.6 1.2 8.2
Jun-20-2017 6.5 7.7 890 29.2 85.2 1.1 0.8 6.8
Jun-27-2017 9.4 8.2 1,990 26.6 22.0 1.2 1.5 12 12.0
Jul-05-2017 6.2 7.6 3,370 25.2 141 0.8 2.6 8.8
Jul-12-2017 9.9 8.0 4,280 23.8 55 0.9 3.3 10.0
Jul-18-2017 11.0 8.0 3,020 23.8 82 0.9 3.0 5.2
Jul-27-2017 8.3 8.1 1,540 25.2 78 0.7 1.6 12 5.2
Aug-01-2017 8.7 8.3 1,850 25.0 81 0.7 1.6 4.9
Aug-08-2017 10.6 8.1 4,870 23.4 45 2.5 4.6 10.0
Aug-15-2017 4.9 8.3 1,070 23.5 83 0.7 1.0 7.5 T
Aug-24-2017 8.2 730 25.6 0.6 0.5 4 6.1
Sep-01-2017 8.6 7.9 2,690 23.9 48 <0.4 1.7 7.2 T
Sep-08-2017 10.8 8.2 790 23.8 62 1.0 0.7 8.3
Sep-15-2017 8.0 990 23.8 81 0.8 0.9 7.4
Sep-22-2017 10.4 7.7 500 21.0 57 <0.4 0.3 6.2
Sep-26-2017
Oct-06-2017 5.3 7.7 1,120 20.3 32 0.6 0.9 15.0
Oct-13-2017 7.7 980 18.4 27 0.5 0.8 13.0
Oct-19-2017
Oct-27-2017 7.4 7.6 970 20.6 18 0.4 0.8 16.0
Oct-31-2017 9.3 7.4 1,010 16.8 76 <0.4 0.8 8 17.0
Nov-07-2017 11.9 7.7 1,050 15.4 19 0.6 0.9 14 T
Nov-17-2017 8.9 7.6 1,140 16.6 21 0.5 1.0 14.0
Nov-22-2017 10.8 7.6 1,050 14.5 24 0.5 0.9 13.0
Nov-29-2017 7.7 1,210 13.1 18 <0.4 1.0 7 13.0
Dec-07-2017 14.4 7.9 1,440 10.0 14 0.5 1.2 13.0
Dec-15-2017 10.1 7.6 1,720 9.9 12 0.5 1.4 12.0
Dec-21-2017 14.4 7.9 1,860 9.7 10 <0.4 1.6 14.0
Dec-27-2017 11.4 7.6 1,980 10.1 10 0.5 1.8 14 14.0
NOTES:
PARAMETERNitrates as N
(Dissolved)Ammonia as N
DATA SOURCE USBR USBR
UNITS mg/L mg/L
Jan-26-2017 0.96 0.26
Mar-30-2017 0.65 0.17
Apr-26-2017 0.02 0.15
May-25-2017 0.33 H,V 0.16
Jun-27-2017 0.02 0.21
Jul-27-2017 0.30 0.13 T
Aug-24-2017 0.20 0.09
Oct-31-2017 0.02 0.26
Nov-29-2017 0.13 0.19
Dec-27-2017 0.034 T 0.15
NOTES: TKN, Total P, and Ortho P removed from monitoring program in 2015 GBP WDR
Physicals
Total Selenium Total Boron Total Molybdenum
Nutrients
Table 4. Water quality monitoring in Mud Slough (north) above San Luis Drain discharge (Station C)
Dissolved Oxygen pHSpecific
ConductanceTemperature Turbidity
DATA SOURCE USBR USBR USBR USBR USBR USBR USBR USBR
UNITS mg/L units µS/cm °C NTU ug/L mg/L ug/L
Jan-03-2017 No samples collected due to unsafe conditions.
Jan-12-2017 9.0 7.8 1,260 13.4 68.1 <0.4 1.1
Jan-19-2017 No samples collected due to unsafe conditions.
Jan-26-2017 12.7 7.8 802 11.1 67.8 <0.4 0.7
Feb-02-2017 10.2 7.9 1,560 13.4 39.7 0.41 1.1
Feb-09-2017 5.6 7.3 1,180 14.9 117.0 <0.4 1.0
Feb-17-2017 Site not accessible due to flooding.
Feb-23-2017 10.5 8.0 780 13.3 87.2 0.43 0.6
Mar-03-2017 Site not accessible due to flooding.
Mar-10-2017 10.7 7.9 1,770 18.0 52.6 0.63 1.4
Mar-15-2017 12.2 8.1 2,000 24.2 31.6 0.54 1.8
Mar-24-2017 No samples collected due to unsafe conditions.
Mar-30-2017 10.3 7.1 1,760 18.2 37.3 0.42 1.6
Apr-07-2017 No samples collected due to unsafe conditions.
Apr-14-2017 9.8 7.7 1,890 16.3 64.2 0.48 2.0
Apr-21-2017 10.3 7.7 1,700 19.0 67.7 0.56 1.7
Apr-26-2017 9.1 8.1 2,190 19.7 38.3 0.50 1.8
May-04-2017 8.9 7.9 2,000 28.0 43.4 0.45 1.8
May-12-2017 10.1 7.7 1,800 19.8 76.8 0.48 1.7
May-18-2017 8.1 7.7 935 17.7 78.0 0.53 0.8
May-25-2017 5.9 7.8 1,100 22.8 81.5 <0.4 0.8
Jun-01-2017 8.7 6.0 756 25.4 110.0 0.50 0.6
Jun-09-2017 4.4 7.0 1,080 22.7 85.4 0.45 1.0
Jun-13-2017 9.7 8.0 1,120 22.3 65.0 0.86 1.0
Jun-20-2017 7.7 7.8 732 29.2 113.0 0.74 0.7
Jun-27-2017 7.6 7.8 1,980 26.0 49.5 <0.4 1.5
Jul-05-2017 7.9 7.9 2,470 25 80.5 <0.4 2.00
Jul-12-2017 11.0 8.2 2,660 25 48.7 0.5 2.10
Jul-18-2017 11.4 8.0 2,220 24 55.3 0.5 2.10
Jul-27-2017 8.0 7.7 1,390 24 72.7 0.6 1.50
Aug-01-2017 8.6 8.2 1,570 25 78.1 0.5 1.30
Aug-08-2017 11.8 7.9 1,660 23 117.0 0.6 1.40
Aug-15-2017 5.6 8.0 918 23 85.6 <0.4 0.78
Aug-24-2017 8.3 539 26 0.6 0.39
Sep-01-2017 11.2 8.3 1,355 25 22.4 <0.4 0.93
Sep-08-2017 10.2 7.7 498 24 55.4 <0.4 0.32
Sep-15-2017 8.1 532 24 68.2 <0.4 0.32
Sep-22-2017 11.1 7.7 377 21 51.8 <0.4 0.21
Sep-26-2017
Oct-06-2017 5.3 7.6 876 20.6 29.8 <0.4 0.6
Oct-13-2017 7.6 831 17.4 20.0 <0.4 0.6
Oct-19-2017
27-Oct-2017 6.4 7.4 865 10.8 11.7 <0.4 0.6
31-Oct-2017 9.3 7.4 1,010 16.8 76.4 <0.4 0.6
7-Nov-2017 12.0 7.5 868 13.9 36.7 <0.4 0.6
17-Nov-2017 9.5 7.5 982 16.3 19.2 <0.4 0.7
22-Nov-2017 10.9 7.6 926 14.5 20.0 <0.4 0.8
29-Nov-2017 7.8 1,080 13.1 16.7 <0.4 0.9
7-Dec-2017 14.0 8.0 1,300 9.9 12.7 <0.4 1.0
15-Dec-2017 12.1 7.4 1,570 10.1 8.7 <0.4 1.1
21-Dec-2017 15.8 7.9 1,550 10.0 11.5 <0.4 1.2
27-Dec-2017 11.4 7.8 1,740 10.4 10.8 <0.4 1.3
NOTES:
PARAMETERNitrates as N
(Dissolved)Ammonia as N
Total Kjeldahl
Nitrogen
Total Phosphorous
as P
Ortho-phosphate
as P
DATA SOURCE USBR USBR USBR USBR USBR
UNITS mg/L mg/L mg/L mg/L mg/L
Jan-26-2017 NA NA
Feb-23-2017 NA NA
Mar-30-2017 NA NA
Apr-01-2017 NA NA
May-01-2017 NA NA
Jun-01-2017 NA NA
Jul-01-2017 NA NA
Aug-01-2017 NA NA
Sep-01-2017 NA NA
Oct-01-2017 NA NA
NOTES:
Nutrients
Physicals
Total Selenium Total Boron Total MolybdenumPARAMETER
Table 5. Water quality monitoring in Mud Slough (north) backwater below San Luis Drain discharge (Station I2)
PARAMETERDissolved
OxygenpH
Specific
ConductanceTemperature Turbidity Total Selenium
DATA SOURCE USBR USBR USBR USBR USBR USBR
UNITS mg/L units µS/cm °C NTU μg/L
NOTES:
Water is only collected when the backwater location is flooded during high flow.
Physicals
Table 6a. Water monitoring in Salt Slough at Highway 165 (Station F)
USGS Station Code: 11261100
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Jan-01-2017 60 158 8.6 1,930
Jan-02-2017 56 150 9.0 1,960
Jan-03-2017 54 145 9.7 1,910
Jan-04-2017 67 175 10.7 1,900
Jan-05-2017 72 187 11.1 1,890
Jan-06-2017 77 198 9.2 1,870
Jan-07-2017 91 234 9.7 1,780
Jan-08-2017 114 296 11.7 1,650
Jan-09-2017 143 382 12.3 1,660
Jan-10-2017 194 592 12.2 1,640
Jan-11-2017 224 861 12.2 1,670
Jan-12-2017 236 1121 12.2 1,630
Jan-13-2017 237 1348 11.3 1,620
Jan-14-2017 216 1395 10.4 1,690
Jan-15-2017 210 1374 9.5 1,760
Jan-16-2017 201 1309 9.2 1,780
Jan-17-2017 192 1239 8.5 1,830
Jan-18-2017 184 1186 8.4 1,860
Jan-19-2017 180 1157 8.8 1,910
Jan-20-2017 181 1167 9.8 1,910
Jan-21-2017 185 1198 10.0 1,870
Jan-22-2017 198 1288 10.1 1,710
Jan-23-2017 210 1376 10.2 1,730
Jan-24-2017 214 1403 9.6 1,720
Jan-25-2017 220 1446 9.4 1,750
Jan-26-2017 222 1448 9.6 1,870
Jan-27-2017 220 1373 9.6 1,950
Jan-28-2017 215 1264 9.7 2,000
Jan-29-2017 209 1161 9.9 2,050
Jan-30-2017 210 1098 10.1 2,080
Jan-31-2017 220 1104 10.4 2,140
Feb-01-2017 236 1136 10.9 2,190
Feb-02-2017 238 1088 11.8 2,250
Feb-03-2017 229 -- 13.4 2,250
Feb-04-2017 221 875 14.2 2,140
Feb-05-2017 215 852 14.0 2,050
Feb-06-2017 197 868 13.6 2,010
Feb-07-2017 185 919 13.8 1,940
Feb-08-2017 177 996 14.6 1,890
Feb-09-2017 187 1202 14.6 1,770
Feb-10-2017 210 1537 14.7 1,700
Feb-11-2017 222 1818 14.3 1,700
Feb-12-2017 220 1997 13.8 1,620
Feb-13-2017 219 2025 13.7 1,660
Feb-14-2017 218 2023 14.0 1,670
Feb-15-2017 219 2028 14.3 1,700
Feb-16-2017 215 1987 14.8 1,700
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Feb-17-2017 209 1928 14.1 1,690
Feb-18-2017 210 1939 13.7 1,740
Feb-19-2017 214 1973 13.4 1,650
Feb-20-2017 213 1965 12.9 1,520
Feb-21-2017 213 1964 13.6 1,580
Feb-22-2017 218 2015 13.5 1,570
Feb-23-2017 219 2013 13.0 1,540
Feb-24-2017 215 1962 12.6 1,640
Feb-25-2017 211 1916 12.4 1,720
Feb-26-2017 208 1881 12.5 1,630
Feb-27-2017 206 1853 12.9 1,610
Feb-28-2017 206 1835 12.7 1,530
Mar-01-2017 204 1810 12.9 1,420
Mar-02-2017 203 1788 13.3 1,390
Mar-03-2017 202 1771 13.9 1,380
Mar-04-2017 203 1765 14.5 1,360
Mar-05-2017 202 1754 14.2 1,360
Mar-06-2017 200 1720 13.5 1,370
Mar-07-2017 200 1710 13.7 1,340
Mar-08-2017 198 1684 14.1 1,300
Mar-09-2017 195 1650 15.1 1,280
Mar-10-2017 194 1630 16.1 1,300
Mar-11-2017 191 1598 17.0 1,420
Mar-12-2017 188 1558 17.8 1,470
Mar-13-2017 185 1526 18.3 1,450
Mar-14-2017 184 1511 19.2 1,430
Mar-15-2017 185 1509 20.0 1,430
Mar-16-2017 185 1500 19.8 1,430
Mar-17-2017 186 1500 19.9 1,410
Mar-18-2017 188 1505 19.7 1,350
Mar-19-2017 186 1477 18.9 1,330
Mar-20-2017 183 1444 18.5 1,310
Mar-21-2017 184 1436 18.0 1,290
Mar-22-2017 186 1443 16.8 1,230
Mar-23-2017 189 1458 16.3 1,190
Mar-24-2017 192 1476 16.0 1,130
Mar-25-2017 196 1500 16.0 1,130
Mar-26-2017 196 1490 16.5 1,200
Mar-27-2017 194 1461 16.7 1,270
Mar-28-2017 187 1407 16.6 1,310
Mar-29-2017 179 1337 17.6 1,350
Mar-30-2017 172 1268 18.0 1,400
Mar-31-2017 166 1223 16.0 1,440
Apr-01-2017 159 1162 16.4 1,520
Apr-02-2017 152 1105 17.5 1,520
Apr-03-2017 144 1045 18.0 1,470
Apr-04-2017 138 996 18.2 1,420
Apr-05-2017 137 976 19.0 1,350
Apr-06-2017 136 966 18.4 1,310
Apr-07-2017 134 949 16.5 1,340
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Apr-08-2017 134 936 16.0 1,300
Apr-09-2017 134 933 15.7 1,270
Apr-10-2017 141 967 16.1 1,160
Apr-11-2017 150 1023 17.0 1,100
Apr-12-2017 156 1059 17.9 1,170
Apr-13-2017 159 1070 18.0 1,350
Apr-14-2017 159 1066 17.1 1,470
Apr-15-2017 156 1035 16.6 1,560
Apr-16-2017 154 1013 16.7 1,560
Apr-17-2017 153 1002 16.5 1,510
Apr-18-2017 153 996 16.9 1,390
Apr-19-2017 153 987 17.9 1,290
Apr-20-2017 154 989 18.8 1,250
Apr-21-2017 154 978 18.9 1,210
Apr-22-2017 150 949 19.3 1,210
Apr-23-2017 147 923 19.3 1,180
Apr-24-2017 148 924 19.3 1,210
Apr-25-2017 153 944 18.8 1,310
Apr-26-2017 153 942 18.7 1,390
Apr-27-2017 153 933 19.3 1,500
Apr-28-2017 154 931 18.5 1,540
Apr-29-2017 154 930 17.6 1,450
Apr-30-2017 153 915 19.0 1,310
May-01-2017 152 899 20.1 1,260
May-02-2017 150 885 21.5 1,240
May-03-2017 147 859 23.2 1,210
May-04-2017 144 812 24.8 1,240
May-05-2017 136 728 24.0 1,300
May-06-2017 126 642 21.5 1,320
May-07-2017 120 584 20.1 1,160
May-08-2017 126 582 20.1 950
May-09-2017 139 611 21.3 880
May-10-2017 151 634 21.4 870
May-11-2017 159 642 21.2 910
May-12-2017 163 629 20.3 910
May-13-2017 159 577 19.3 1,000
May-14-2017 154 527 19.0 1,010
May-15-2017 155 506 18.9 1,060
May-16-2017 167 527 18.5 940
May-17-2017 179 543 18.9 940
May-18-2017 180 520 19.4 1,000
May-19-2017 170 467 20.8 990
May-20-2017 151 400 22.6 1,010
May-21-2017 141 364 24.3 990
May-22-2017 135 345 25.4 930
May-23-2017 130 329 26.2 940
May-24-2017 124 310 25.8 1,040
May-25-2017 115 283 23.3 1,050
May-26-2017 111 274 21.1 980
May-27-2017 115 285 21.1 830
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
May-28-2017 115 285 22.4 850
May-29-2017 114 281 23.5 890
May-30-2017 124 313 23.3 780
May-31-2017 141 369 23.3 790
Jun-01-2017 160 478 23.5 910
Jun-02-2017 166 567 24.0 910
Jun-03-2017 171 659 24.8 890
Jun-04-2017 167 719 24.8 890
Jun-05-2017 157 753 24.1 900
Jun-06-2017 150 765 24.5 940
Jun-07-2017 148 758 24.3 980
Jun-08-2017 145 742 22.7 1,070
Jun-09-2017 144 734 22.0 1,300
Jun-10-2017 145 741 21.8 1,130
Jun-11-2017 145 743 20.9 1,060
Jun-12-2017 146 746 20.1 1,000
Jun-13-2017 152 777 20.9 940
Jun-14-2017 158 813 22.3 900
Jun-15-2017 162 832 23.5 820
Jun-16-2017 162 834 24.4 810
Jun-17-2017 160 822
Jun-18-2017 154 789
Jun-19-2017 151 776
Jun-20-2017 150 784
Jun-21-2017 148 805
Jun-22-2017 145 821
Jun-23-2017 143 847
Jun-24-2017 143 881
Jun-25-2017 143 917
Jun-26-2017 145 970
Jun-27-2017 150 1044
Jun-28-2017 155 1083 26.4 720
Jun-29-2017 167 1021 25.6 760
Jun-30-2017 170 892 25.6 750
Jul-01-2017 174 785 25.5 750
Jul-02-2017 180 695 25.5 700
Jul-03-2017 177 573 25.7 700
Jul-04-2017 177 497 26.2 650
Jul-05-2017 161 434 26.5 630
Jul-06-2017 141 365 26.7 690
Jul-07-2017 135 343 26.9 650
Jul-08-2017 129 325 27.2 660
Jul-09-2017 116 285 27.1 770
Jul-10-2017 108 265 27.7 900
Jul-11-2017 116 287 27.5 700
Jul-12-2017 120 300 26.7 610
Jul-13-2017 114 282 26.8 680
Jul-14-2017 109 267 27.0 690
Jul-15-2017 106 258 26.8 670
Jul-16-2017 109 267 26.9 590
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Jul-17-2017 109 368 27.3 600
Jul-18-2017 112 275 27.0 610
Jul-19-2017 113 277 26.1 590
Jul-20-2017 102 245 25.7 620
Jul-21-2017 84 199 25.9 690
Jul-22-2017 78 185 26.2 780
Jul-23-2017 88 212 26.9 680
Jul-24-2017 99 240 27.2 590
Jul-25-2017 106 260 26.4 560
Jul-26-2017 105 254 26.3 570
Jul-27-2017 90 214 26.6 670
Jul-28-2017 89 214 27.2 730
Jul-29-2017 98 236 27.2 640
Jul-30-2017 104 252 26.8 650
Jul-31-2017 114 283 26.7 620
Aug-01-2017 128 326 26.9 580
Aug-02-2017 140 362 28.0 580
Aug-03-2017 133 339 28.3 580
Aug-04-2017 121 302 27.1 580
Aug-05-2017 110 268 26.3 600
Aug-06-2017 99 238 26.6 640
Aug-07-2017 103 251 26.2 600
Aug-08-2017 116 287 25.9 530
Aug-09-2017 123 309 25.9 540
Aug-10-2017 118 293 26.1 560
Aug-11-2017 114 282 26.1 570
Aug-12-2017 116 288 26.4 550
Aug-13-2017 121 302 26.0 560
Aug-14-2017 123 309 25.5 550
Aug-15-2017 123 309 24.1 540
Aug-16-2017 121 302 23.3 550
Aug-17-2017 115 284 24.1 550
Aug-18-2017 105 254 25.3 630
Aug-19-2017 98 235 26.0 660
Aug-20-2017 96 231 25.5 650
Aug-21-2017 102 248 24.7 620
Aug-22-2017 111 272 24.3 570
Aug-23-2017 120 301 24.7 550
Aug-24-2017 123 307 25.0 580
Aug-25-2017 113 279 25.0 650
Aug-26-2017 101 246 25.3 750
Aug-27-2017 105 256 26.0 670
Aug-28-2017 115 285 26.6 600
Aug-29-2017 123 307 27.1 560
Aug-30-2017 123 308 26.6 580
Aug-31-2017 119 295 25.7 640
Sep-01-2017 142 272 25.6 681
Sep-02-2017 138 263 26.4 653
Sep-03-2017 132 249 27.4 659
Sep-04-2017 124 228 27.1 725
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Sep-05-2017 115 207 27.0 784
Sep-06-2017 108 191 27.0 824
Sep-07-2017 101 176 25.3 897
Sep-08-2017 106 187 24.3 805
Sep-09-2017 116 211 24.6 640
Sep-10-2017 123 228 25.0 590
Sep-11-2017 122 227 25.5 592
Sep-12-2017 119 220 25.7 648
Sep-13-2017 110 198 24.9 767
Sep-14-2017 103 184 23.1 779
Sep-15-2017 98 174 21.7 812
Sep-16-2017 96 168 21.8 823
Sep-17-2017 98 173 22.0 826
Sep-18-2017 100 178 21.9 780
Sep-19-2017 100 177 21.0 789
Sep-20-2017 103 186 20.6 745
Sep-21-2017 107 197 20.6 714
Sep-22-2017 107 195 19.2 768
Sep-23-2017 105 192 18.5 767
Sep-24-2017 106 193 18.2 726
Sep-25-2017 109 201 18.6 646
Sep-26-2017 112 211 19.3 612
Sep-27-2017 111 208 20.3 652
Sep-28-2017 110 206 21.2 674
Sep-29-2017 110 206 21.5 679
Sep-30-2017 113 215 21.4 662
Oct-01-2017 115 219 20.1 662
Oct-02-2017 115 220 17.8 665
Oct-03-2017 114 219 17.0 651
Oct-04-2017 115 220 17.0 638
Oct-05-2017 114 219 17.3 683
Oct-06-2017 115 221 17.6 674
Oct-07-2017 114 221 18.1 678
Oct-08-2017 110 211 18.0 733
Oct-09-2017 106 200 17.4 777
Oct-10-2017 104 197 17.4 811
Oct-11-2017 104 198 17.1 814
Oct-12-2017 107 204 15.5 754
Oct-13-2017 109 209 14.9 728
Oct-14-2017 109 210 15.1 769
Oct-15-2017 110 215 15.4 741
Oct-16-2017 112 219 15.9 759
Oct-17-2017 113 222 16.3 761
Oct-18-2017 111 219 16.6 750
Oct-19-2017 112 220 16.8 745
Oct-20-2017 114 227 16.9 744
Oct-21-2017 118 236 15.9 768
Oct-22-2017 117 237 15.8 809
Oct-23-2017 119 242 16.3 782
Oct-24-2017 123 254 17.0 715
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Oct-25-2017 123 255 17.5 692
Oct-26-2017 122 253 18.1 703
Oct-27-2017 123 256 18.5 719
Oct-28-2017 125 261 18.5 733
Oct-29-2017 125 262 18.2 785
Oct-30-2017 123 258 17.4 803
Oct-31-2017 120 249 16.1 853
Nov-01-2017 116 239 15.4 907
Nov-02-2017 115 235 15.0 857
Nov-03-2017 114 235 15.3 868
Nov-04-2017 112 230 15.6 938
Nov-05-2017 109 221 14.7 961
Nov-06-2017 109 223 13.6 920
Nov-07-2017 107 219 13.2 914
Nov-08-2017 106 215 13.1 949
Nov-09-2017 99 197 14.5 982
Nov-10-2017 97 194 15.2 969
Nov-11-2017 100 201 15.1 967
Nov-12-2017 101 204 14.6 1,020
Nov-13-2017 102 209 14.3 1,010
Nov-14-2017 100 203 15.2 1,000
Nov-15-2017 97 195 15.1 1,090
Nov-16-2017 96 192 15.3 1,130
Nov-17-2017 98 197 15.2 1,140
Nov-18-2017 102 207 13.7 1,080
Nov-19-2017 107 218 12.9 1,080
Nov-20-2017 109 223 13.6 1,080
Nov-21-2017 112 229 13.9 1,070
Nov-22-2017 112 230 13.9 1,090
Nov-23-2017 108 218 14.7 1,140
Nov-24-2017 110 223 15.8 1,090
Nov-25-2017 118 243 15.8 1,040
Nov-26-2017 121 250 15.4 1,110
Nov-27-2017 121 247 14.7 1,150
Nov-28-2017 123 253 13.3 1,110
Nov-29-2017 119 240 12.5 1,170
Nov-30-2017 107 209 11.9 1,270
Dec-01-2017 102 196 11.5 1,260
Dec-02-2017 97 184 11.4 1,290
Dec-03-2017 95 180 11.7 1,310
Dec-04-2017 96 180 10.2 1,300
Dec-05-2017 95 179 9.3 1,290
Dec-06-2017 96 179 8.9 1,290
Dec-07-2017 102 193 8.6 1,220
Dec-08-2017 105 198 8.6 1,240
Dec-09-2017 109 207 8.4 1,170
Dec-10-2017 119 227 8.2 1,100
Dec-11-2017 123 236 8.2 1,100
Dec-12-2017 122 233 8.1 1,160
Dec-13-2017 121 229 8.1 1,210
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Dec-14-2017 126 238 8.0 1,130
Dec-15-2017 126 237 8.0 1,160
Dec-16-2017 124 233 8.5 1,220
Dec-17-2017 122 227 8.2 1,240
Dec-18-2017 123 228 8.0 1,170
Dec-19-2017 123 228 8.0 1,180
Dec-20-2017 121 221 9.2 1,190
Dec-21-2017 111 202 8.4 1,290
Dec-22-2017 105 189 7.6 1,300
Dec-23-2017 104 187 8.1 1,290
Dec-24-2017 115 207 8.4 1,140
Dec-25-2017 118 212 8.7 1,140
Dec-26-2017 122 220 9.2 1,140
Dec-27-2017 130 234 9.0 1,130
Dec-28-2017 127 228 8.9 1,150
Dec-29-2017 121 216 8.9 1,220
Dec-30-2017 129 232 8.9 1,220
Dec-31-2017 141 254 9.1 1,200
NOTES:
USGS data webpage
http://waterdata.usgs.gov/nwis/dv/?site_no=11261100&agency_cd=USGS&referred_module=sw
Table 6b. Monthly averages and totals
PARAMETER Total Flow (USGS) Total Flow (CDEC) Average TemperatureAverage Specific
Conductance
DATA SOURCE Calculated Calculated Calculated Calculated
UNITS acre-feet acre-feet °C µS/cm
January-17 10,540 57,190 10 1,830
February-17 11,810 88,450 13 1,770
March-17 11,710 95,030 17 1,340
April-17 8,880 58,800 18 1,330
May-17 8,710 31,760 22 1,040
June-17 10,220 47,830 23 920
July-17 7,710 19,520 27 680
August-17 8,750 17,600 26 610
September-17 6,640 12,140 23 720
October-17 7,060 13,990 17 740
November-17 6,440 13,090 14 1,040
December-17 7080 13,120 9 1210
NOTES:
Table 6c. Other water qulity monitoring in Salt Slough at Highway 165 (Station F)
PARAMETER Dissolved Oxygen pHSpecific
ConductanceTemperature Turbidity
DATA SOURCE USBR USBR USBR USBR USBR USBR USBR
UNITS mg/L units µS/cm °C NTU ug/L mg/L
Jan-03-2017 No samples collected due to unsafe conditions.
Jan-12-2017 8.7 7.2 1,720 13.3 30.9 0.58 1.3
Jan-19-2017 No samples collected due to unsafe conditions.
Jan-26-2017 10.7 8.0 1,403 12.8 18.2 0.55 1.5
Feb-02-2017 9.6 7.5 2,292 12.6 19.4 <0.4 1.2
Feb-09-2017 4.7 7.1 1,666 15.1 16.2 0.70 1.1
Feb-17-2017 0.761 1.20 YSI sonde broken.
Feb-23-2017 7.6 7.3 1,500 16.2 28.2 0.889 U 1.2
Mar-03-2017 7.9 7.2 1,405 14.4 12.2
Mar-10-2017 11.7 7.8 1,326 16.7 19.6 0.51 0.8
Mar-15-2017 7.1 7.1 1,494 21.4 10.5 <0.4 1.0
Mar-23-2017 No samples collected due to unsafe conditions.
Mar-30-2017 6.6 7.6 1,550 18.0 17.5 <0.4 0.8
Apr-07-2017 No samples collected due to unsafe conditions.
Apr-14-2017 7.5 6.6 1,620 16.7 25.2 <0.4 0.8
Apr-21-2017 6.9 6.7 1,250 18.8 29.9 <0.4 0.7
Apr-26-2017 8.9 7.9 1,430 18.9 34.3 0.42 0.7
May-04-2017 6.0 7.0 1,220 25.7 34.7 0.41 0.6
May-12-2017 8.7 6.6 980 19.8 68.3 <0.4 0.4
May-18-2017 6.8 7.1 1,070 18.3 80.8 <0.4 0.5
May-25-2017 5.2 7.6 1,170 23.6 118.0 <0.4 0.4
Jun-01-2017 7.0 5.2 876 24.0 102.0 <0.4 0.3
Jun-09-2017 3.5 6.1 1,360 21.6 58.7 <0.4 0.5
Jun-13-2017 9.1 7.3 922 20.5 59.9 <0.4 0.3
Jun-20-2017 5.6 7.2 827 28.6 62.7 <0.4 0.3
Jun-27-2017 6.9 7.0 814 25.0 54.1 <0.4 0.2
Jul-05-2017 7.1 7.4 628 25.8 133.0 <0.4 0.2
Jul-12-2017 6.3 6.8 589 25.6 120.0 <0.4 0.3
Jul-18-2017 8.2 6.6 647 25.6 130.0 <0.4 0.3
Jul-27-2017 7.7 6.3 815 24.7 126.0 <0.4 0.4
Aug-01-2017 6.1 7.0 638 25.6 72.7 <0.4 0.3
Aug-08-2017 8.8 6.6 579 24.5 118.0 <0.4 0.3
Aug-15-2017 5.9 6.6 602 23.1 100.0 <0.4 0.3
Aug-24-2017 7.0 595 24.5 <0.4 0.3
Sep-01-2017 9.4 7.1 724 25.0 90.7 0.43 0.3
Sep-08-2017 10.4 6.9 895 23.3 106.0 <0.4 0.4
Sep-15-2017 7.9 965 22.5 71.6 <0.4 0.4
Sep-22-2017 11.5 8.1 871 20.2 66.6 <.04 0.4
Sep-26-2017
Oct-06-2017 6.6 7.9 750 20.1 58.2 <0.4 0.3
Oct-13-2017 0.0 7.8 760 17.5 58.6 <0.4 0.4
Oct-19-2017 12.1 7.8 824 17.7 69.5 <0.4 0.5
Oct-27-2017 6.7 7.7 792 20.0 57.1 <0.4 0.4
Oct-31-2017 11.0 7.0 837 15.9 59.3 <0.4 0.4
Nov-07-2017 9.8 7.7 1,750 14.6 68.6 0.62 0.5
Nov-17-2017 10.8 7.9 1,190 16.3 45.2 <0.4 0.6
Nov-22-2017 12.4 8.1 1060 14.5 45.9 <0.4 0.6
Nov-29-2017 0.0 7.9 1200 13.0 37.4 <0.4 0.6
Dec-07-2017 14.6 9.9 1240 8.1 25.8 <0.4 0.6
Dec-15-2017
Dec-21-2017 15.2 8.2 1,400 9.3 17.3 <0.4 0.7
Dec-27-2017 11.3 8.1 1,300 9.8 37.4 <0.4 0.6
NOTES:
PARAMETERNitrates as N
(Dissolved)Ammonia as N
Total Kjeldahl
Nitrogen
Total Phosphorous
as P
Ortho-phosphate
as P
DATA SOURCE USBR USBR USBR USBR USBR
UNITS mg/L mg/L mg/L mg/L mg/L
Jan-26-2017 NA NA
Feb-23-2017 NA NA
Mar-30-2017 NA NA
Apr-26-2017 NA NA
May-25-2017 NA NA
Jun-27-2017 NA NA
Jul-27-2017 NA NA
Aug-26-2017 NA NA
Sep-23-2017 NA NA
Oct-30-2017 NA NA
Nov-26-2017 NA NA
Dec-25-2017 NA NA
NOTES: TKN, Total P, and Ortho P removed from monitoring program in 2015 GBP WDR
Nutrients
Physicals
Total Selenium Total Boron
Table 7a. Water quality monitoring in Grassland Wetlands Water Supply Channels
Camp 13 Ditch headworks (Station J)
PARAMETER Flow Specific Conductance Total Selenium Boron
DATA SOURCE GWD SLDMWA SLDMWA USBR
UNITS cfs µS/cm μg/L mg/L
NOTES:
Samples only collected when more than 20 cfs is passing site.
Water passing this site at less than 20 cfs does not reach Grassland Wetlands.
All data from MP-157 databse
Table 7b. Water quality monitoring in Grassland Wetlands Water Supply Channels
Agatha Canal headworks (Station K2)
PARAMETER Flow Specific Conductance Total Selenium Boron
DATA SOURCE GWD SLDMWA SLDMWA USBR
UNITS cfs µS/cm μg/L mg/L
NOTES:
Samples only collected when more than 20 cfs is passing site.
Water passing this site at less than 20 cfs does not reach Grassland Wetlands.
All data from MP-157 database
Table 8a. Water monitoring in the San Joaquin River above Merced River confluence (Station H2)
USGS Station Code: 11273400
PARAMETER FlowEstimate Flow (NEW -
MST)Temperature
Specific
ConductanceDissolved Oxygen pH Turbidity
DATA SOURCE USGS Calculated USGS USGS USGS USGS USGS
UNITS cfs °C µS/cm mg/L NTU
Jan-01-2017 244 260 9 2,470 10.1 7.8 12
Jan-02-2017 233 248 9 2,520 10.1 7.8 12
Jan-03-2017 225 239 9 2,580 9.8 7.8 12
Jan-04-2017 224 236 10 2,550 9.4 7.7 16
Jan-05-2017 250 265 11 2,410 9.2 7.7 19
Jan-06-2017 370 300 9 2,460 9.9 7.8 18
Jan-07-2017 791 888 9 1,430 9.7 7.8 40
Jan-08-2017 1,050 1,374 10 1,010 9.1 7.7 62
Jan-09-2017 1,330 1,403 11 1,120 8.2 7.6 50
Jan-10-2017 2,474 12 731 6.9 7.4 90
Jan-11-2017 3,552 12 650 6.7 7.3 69
Jan-12-2017 6,190 12 690 6.4 7.2 45
Jan-13-2017 10,257 11 572 6.2 7.1 31
Jan-14-2017 12,176 10 488 6.5 7.1 26
Jan-15-2017 12,350 10 454 6.4 7.1 22
Jan-16-2017 11,780 9 409 6.6 7.0 20
Jan-17-2017 10,967 8 405 6.8 7.0 20
Jan-18-2017 11,187 8 404 7.3 7.0 21
Jan-19-2017 11,078 9 416 8.5 7.1 21
Jan-20-2017 11,399 9 440 8.3 7.1 19
Jan-21-2017 11,892 10 514 7.5 7.1 21
Jan-22-2017 13,019 10 553 8.6 7.3 34
Jan-23-2017 13,928 10 584 7.9 7.2 47
Jan-24-2017 14,095 10 509 7.2 7.1 45
Jan-25-2017 14,451 10 496 7.3 7.2 45
Jan-26-2017 13,500 10 514 7.5 7.2 41
Jan-27-2017 9,491 10 531 7.9 7.2 30
Jan-28-2017 9,882 10 545 8.4 7.2 24
Jan-29-2017 9,408 10 566 8.8 7.2 20
Jan-30-2017 9,047 10 563 9.2 7.3 19
Jan-31-2017 8,937 10 547 9.3 7.3 21
Feb-01-2017 8,737 10 491 9.2 7.2 19
Feb-02-2017 8,270 11 432 9.1 7.2 17
Feb-03-2017 12 435 9.2 7.2 15
Feb-04-2017 6,816 13 493 8.9 7.2 14
Feb-05-2017 6,366 13 534 8.4 7.2 14
Feb-06-2017 6,333 13 519 8.0 7.2 17
Feb-07-2017 6,466 13 504 8.0 7.2
Feb-08-2017 6,480 14 560 6.9 7.1
Feb-09-2017 7,059 14 640 5.8 7.1
Feb-10-2017 8,564 14 590 6.1 7.1 21
Feb-11-2017 9,647 14 478 6.2 7.0 30
Feb-12-2017 10,532 13 435 6.6 7.0 36
Feb-13-2017 10,679 13 517 6.6 7.0
Feb-14-2017 10,557 13 546 6.6 7.1 35
Feb-15-2017 10,593 13 572 6.7 7.1 32
Feb-16-2017 10,410 14 533 6.8 7.1 30
Feb-17-2017 11,234 13 547 7.9 7.2 38
Feb-18-2017 16,515 13 579 8.5 7.4 38
Feb-19-2017 16,843 13 588 7.7 7.3 29
Feb-20-2017 16,872 12 556 8.7 7.4 30
Feb-21-2017 16,541 13 594 8.5 7.3 25
Feb-22-2017 16,577 13 620 7.9 7.3 23
Feb-23-2017 15,863 13 601 8.0 7.3 25
Feb-24-2017 15,117 12 567 8.2 7.3 21
Feb-25-2017 14,062 12 562 8.3 7.3 20
Feb-26-2017 13,725 12 579 8.6 7.3 19
Feb-27-2017 13,221 12 592 8.7 7.4 18
Feb-28-2017 12,794 12 598 9.0 7.4 17
Mar-01-2017 12,302 12 586 9.2 7.4 15
Mar-02-2017 11,721 13 572 9.3 7.4 14
Mar-03-2017 11,262 13 561 9.3 7.4 13
Mar-04-2017 10,940 14 568 9.2 7.4 12
Mar-05-2017 10,556 14 581 9.1 7.4 11
Mar-06-2017 10,221 13 560 9.0 7.4 12
Mar-07-2017 9,694 13 522 9.1 7.4 12
Mar-08-2017 9,501 13 500 9.1 7.3 11
Mar-09-2017 9,221 14 476 8.9 7.3 11
Mar-10-2017 9,064 15 478 8.4 7.2 11
Mar-11-2017 8,935 16 475 8.0 7.2 10
Mar-12-2017 8,576 16 460 7.8 7.2 10
Mar-13-2017 8,119 17 480 7.6 7.2 9
Mar-14-2017 7,850 18 460 7.5 7.1 9
Mar-15-2017 7,698 18 446 7.2 7.1 9
Mar-16-2017 7,610 18 438 7.1 7.1 9
Mar-17-2017 7,654 18 439 7.1 7.1 9
Mar-18-2017 7,698 18 474 6.9 7.1 10
Mar-19-2017 7,431 18 481 6.8 7.1 10
Mar-20-2017 7,156 17 495 6.7 7.1 10
Mar-21-2017 7,129 17 453 7.3 7.2 14
Mar-22-2017 7,299 16 442 7.5 7.2
Mar-23-2017 7,471 16 437 7.2 7.2 14
Mar-24-2017 7,423 16 466 7.5 7.2 15
Mar-25-2017 7,703 15 461 7.3 7.2 15
PARAMETER FlowEstimate Flow (NEW -
MST)Temperature
Specific
ConductanceDissolved Oxygen pH Turbidity
DATA SOURCE USGS Calculated USGS USGS USGS USGS USGS
UNITS cfs °C µS/cm mg/L NTU
Mar-26-2017 7,848 16 481 7.8 7.2 16
Mar-27-2017 7,656 16 468 8.0 7.2 16
Mar-28-2017 7,364 16 450 8.6 7.4 18
Mar-29-2017 6,993 17 470 8.5 7.4 17
Mar-30-2017 6,504 18 478 8.4 7.4 16
Mar-31-2017 6,122 15 441 9.0 7.5 25
Apr-01-2017 5,986 16 449 8.9 7.5 22
Apr-02-2017 5,831 18 462 8.7 7.4 19
Apr-03-2017 5,392 18 455 8.7 7.4 18
Apr-04-2017 5,166 18 463 8.6 7.5 17
Apr-05-2017 4,932 19 451 8.5 7.4 15
Apr-06-2017 4,550 19 429 7.6 7.2 15
Apr-07-2017 4,400 16 422 7.8 7.2 18
Apr-08-2017 4,564 16 426 8.3 7.3 16
Apr-09-2017 4,797 16 427 8.6 7.3 16
Apr-10-2017 4,876 17 414 9.1 7.4 17
Apr-11-2017 5,254 17 413 9.0 7.4 17
Apr-12-2017 5,626 18 385 9.0 7.4 22
Apr-13-2017 5,817 18 338 9.0 7.4 24
Apr-14-2017 5,931 17 310 9.5 7.6 16
Apr-15-2017 5,961 16 296 9.7 7.6 16
Apr-16-2017 5,889 17 295 9.4 7.5 17
Apr-17-2017 5,762 16 299 8.6 7.3 25
Apr-18-2017 5,696 17 306 8.7 7.2
Apr-19-2017 5,536 18 307 9.1 7.3
Apr-20-2017 5,381 19 311 9.2 7.4
Apr-21-2017 5,218 18 325 9.2 7.5
Apr-22-2017 5,034 19 367 9.3 7.5
Apr-23-2017 4,814 19 333 9.1 7.4
Apr-24-2017 4,824 19 313 8.9 7.4 15
Apr-25-2017 4,959 19 287 8.6 7.3 17
Apr-26-2017 5,066 18 265 8.3 7.2 17
Apr-27-2017 4,950 19 267 8.4 7.1 18
Apr-28-2017 4,924 18 244 8.7 7.2 31
Apr-29-2017 4,863 17 228 9.0 7.2 29
Apr-30-2017 4,803 19 251 9.0 7.2 21
May-01-2017 4,733 20 252 8.6 7.2 18
May-02-2017 4,692 21 250 8.4 7.3 17
May-03-2017 4,654 23 257 8.0 7.2 15
May-04-2017 4,350 25 248 7.3 7.1 14
May-05-2017 3,927 24 233 6.8 7.0 15
May-06-2017 3,625 22 227 7.1 7.0 18
May-07-2017 3,286 21 220 7.4 7.0 20
May-08-2017 3,014 20 216 7.7 7.0 20
May-09-2017 2,928 21 220 7.8 7.0 21
May-10-2017 3,106 21 210 7.8 7.1 22
May-11-2017 3,202 21 213 7.7 7.1 25
May-12-2017 2,529 20 198 8.0 7.1 28
May-13-2017 2,404 19 189 8.1 7.2 29
May-14-2017 2,209 19 199 8.1 7.1 28
May-15-2017 2,570 19 223 8.1 7.1 28
May-16-2017 2,703 19 236 8.0 7.1
May-17-2017 2,824 19 233 8.0 7.2
May-18-2017 3,160 19 221 7.9 7.1 31
May-19-2017 2,929 20 246 7.5 7.1 37
May-20-2017 2,403 22 319 7.0 7.1 37
May-21-2017 1,892 23 346 6.6 7.1 38
May-22-2017 1,585 24 369 6.4 7.1 40
May-23-2017 1,385 25 381 6.4 7.1 46
May-24-2017 1,254 25 378 6.5 7.1 44
May-25-2017 1,252 24 351 6.6 7.2 38
May-26-2017 1,238 22 366 6.8 7.2 34
May-27-2017 1,139 21 397 7.2 7.2 29
May-28-2017 1,044 22 421 7.3 7.2 28
May-29-2017 2,320 973 22 455 7.0 7.2 30
May-30-2017 2,310 1,034 23 365 7.0 7.2 29
May-31-2017 1,551 23 215 7.0 7.2 22
Jun-01-2017 2,215 23 195 7.2 7.1 19
Jun-02-2017 2,786 23 161 7.6 7.0
Jun-03-2017 3,417 23 157 7.9 7.0
Jun-04-2017 4,053 23 133 8.1 7.0
Jun-05-2017 4,467 23 113 8.2 6.9
Jun-06-2017 4,787 23 8.2 6.9
Jun-07-2017 4,942 23 8.0 6.9
Jun-08-2017 4,978 21 7.8 6.8
Jun-09-2017 5,092 21 8.2 6.8
Jun-10-2017 5,114 21 8.4 6.8
Jun-11-2017 5,052 20 8.5 6.8
Jun-12-2017 5,021 20 8.7 6.9
Jun-13-2017 5,014 21 8.8 6.9
Jun-14-2017 5,088 22 8.5 6.9
Jun-15-2017 5,301 23 8.3 6.8
Jun-16-2017 6,484 24 8.0 6.7
Jun-17-2017 7,000 25 7.7 6.7
Jun-18-2017 8,048 26 7.4 6.7
Jun-19-2017 5,900 28 7.1 6.7
Jun-20-2017 4,475 28 6.9 6.8
PARAMETER FlowEstimate Flow (NEW -
MST)Temperature
Specific
ConductanceDissolved Oxygen pH Turbidity
DATA SOURCE USGS Calculated USGS USGS USGS USGS USGS
UNITS cfs °C µS/cm mg/L NTU
Jun-21-2017 4,468 28 6.9 6.9
Jun-22-2017 4,434 29 6.8 6.8
Jun-23-2017 4,643 28 96 6.5 6.7 25
Jun-24-2017 4,955 27 89 6.4 6.6 29
Jun-25-2017 5,028 27 84 6.4 6.6 30
Jun-26-2017 5,240 26 83 6.4 6.6 29
Jun-27-2017 5,680 25 81 6.4 6.5 28
Jun-28-2017 5,966 25 81 6.2 6.5 28
Jun-29-2017 5,946 25 81 6.0 6.5 28
Jun-30-2017 5,659 25 97 6.1 6.5 30
Jul-01-2017 4,926 25 123 6.4 6.6 34
Jul-02-2017 4,195 26 134 6.7 6.7 35
Jul-03-2017 3,698 26 156 6.7 6.8 41
Jul-04-2017 2,970 26 202 6.5 6.9 50
Jul-05-2017 2,298 27 255 6.4 6.9 57
Jul-06-2017 1,757 27 287 6.3 7.0 61
Jul-07-2017 1,437 27 265 6.4 7.0 59
Jul-08-2017 1,320 27 255 6.5 7.0 56
Jul-09-2017 1,250 27 256 6.6 7.0 51
Jul-10-2017 1,319 28 287 6.6 7.1 48
Jul-11-2017 1,720 1,100 28 395 6.5 7.1 50
Jul-12-2017 1,440 936 28 374 6.7 7.2 50
Jul-13-2017 1,410 991 28 305 6.9 7.2 49
Jul-14-2017 1,280 1,022 28 292 7.0 7.1 45
Jul-15-2017 1,150 950 27 354 6.9 7.2 36
Jul-16-2017 1,000 906 28 444 7.0 7.2 32
Jul-17-2017 799 911 28 539 7.4 7.3 31
Jul-18-2017 649 928 28 617 7.6 7.3 32
Jul-19-2017 533 668 27 765 7.8 7.4 32
Jul-20-2017 416 336 27 907 7.9 7.5 32
Jul-21-2017 336 276 27 1,160 8.6 7.5 30
Jul-22-2017 316 241 27 1,370 9.3 7.7 25
Jul-23-2017 326 236 28 1,430 9.9 7.8 20
Jul-24-2017 353 248 28 1,300 9.5 7.8 22
Jul-25-2017 340 253 27 1,130 9.0 7.7 24
Jul-26-2017 296 241 27 1,120 8.8 7.9 24
Jul-27-2017 269 231 27 1,160 8.8 7.8 24
Jul-28-2017 239 205 28 1,340 8.9 7.9 24
Jul-29-2017 230 185 28 1,370 9.2 7.9 19
Jul-30-2017 232 179 28 1,260 8.9 7.9 19
Jul-31-2017 254 187 28 1,180 8.7 7.8 24
Aug-01-2017 273 196 28 1,080 8.4 7.8 21
Aug-02-2017 303 213 29 1,050 8.2 7.8 19
Aug-03-2017 269 207 30 1,090 8.1 7.8 19
Aug-04-2017 249 172 28 1,150 6.5 7.6 19
Aug-05-2017 244 169 27 1,250 7.0 7.7 17
Aug-06-2017 258 175 27 1,160 7.6 7.7 17
Aug-07-2017 240 165 27 1,220 8.4 7.8 16
Aug-08-2017 237 168 27 1,080 8.8 7.9 16
Aug-09-2017 242 160 27 1,020 9.2 7.9 14
Aug-10-2017 271 177 27 968 8.3 7.8 20
Aug-11-2017 297 161 27 988 8.4 7.8 18
Aug-12-2017 277 198 28 1,020 7.9 7.8 19
Aug-13-2017 261 177 27 881 7.8 7.8 19
Aug-14-2017 277 180 27 996 7.7 7.8 20
Aug-15-2017 300 211 26 788 7.2 7.8 22
Aug-16-2017 314 226 26 717 7.5 7.8 20
Aug-17-2017 298 214 26 736 7.9 7.8 19
Aug-18-2017 277 187 27 787 8.0 7.8 21
Aug-19-2017 270 178 27 891 8.1 7.8 18
Aug-20-2017 281 173 27 914 8.2 7.9 18
Aug-21-2017 303 141 26 728 7.8 7.8 19
Aug-22-2017 302 134 26 686 8.0 7.8 19
Aug-23-2017 307 135 26 664 7.9 7.8 22
Aug-24-2017 306 154 27 656 7.7 7.7 22
Aug-25-2017 303 149 26 668 7.8 7.8 20
Aug-26-2017 299 112 27 742 7.9 7.8 19
Aug-27-2017 335 108 27 738 7.8 7.7 17
Aug-28-2017 343 85 28 704 7.6 7.7 18
Aug-29-2017 333 104 28 625 7.2 7.5 21
Aug-30-2017 306 76 27 654 7.2 7.4
Aug-31-2017 285 44 27 662 7.3 7.3
Sep-01-2017 360 -10 27 754 7.2 7.3
Sep-02-2017 556 257 27 788 7.3 7.6
Sep-03-2017 511 315 28 818 7.3 7.6
Sep-04-2017 512 286 28 830 7.0 7.5
Sep-05-2017 467 336 28 919 7.6 7.8
Sep-06-2017 479 335 28 919 7.6 7.9
Sep-07-2017 516 278 27 951 7.6 7.9
Sep-08-2017 537 303 25 877 8.3 8.0 36.6
Sep-09-2017 510 292 26 914 8.2 7.9 38.7
Sep-10-2017 519 289 26 837 8.0 7.9 39.7
Sep-11-2017 547 360 26 705 7.5 7.8 39.5
Sep-12-2017 522 319 26 792 7.4 7.7 40.9
Sep-13-2017 544 272 26 759 7.5 7.7 38.2
Sep-14-2017 537 225 25 717 7.7 7.8 39.9
Sep-15-2017 564 210 23 724 7.9 7.8 37.1
PARAMETER FlowEstimate Flow (NEW -
MST)Temperature
Specific
ConductanceDissolved Oxygen pH Turbidity
DATA SOURCE USGS Calculated USGS USGS USGS USGS USGS
UNITS cfs °C µS/cm mg/L NTU
Sep-16-2017 598 215 23 695 8.1 7.8 35.9
Sep-17-2017 613 208 23 655 8.1 7.8 37.1
Sep-18-2017 628 101 22 663 8.2 7.8 36.1
Sep-19-2017 628 103 22 658 8.2 7.8 40.0
Sep-20-2017 603 134 21 633 8.3 7.8 43.4
Sep-21-2017 607 162 21 596 7.9 7.7 41.2
Sep-22-2017 568 295 20 527 7.8 7.7 47.1
Sep-23-2017 380 297 20 612 7.9 7.7 54.7
Sep-24-2017 323 234 19 673 8.1 7.7 54.0
Sep-25-2017 290 222 20 681 8.2 7.7 53.8
Sep-26-2017 248 212 20 711 8.1 7.7 54.2
Sep-27-2017 251 217 21 613 7.8 7.6 57.2
Sep-28-2017 283 165 22 666 7.8 7.6 47.3
Sep-29-2017 333 112 22 723 7.9 7.6 40.6
Sep-30-2017 401 73 21 691 8.0 7.7 36.1
Oct-01-2017 451 83 20 633 8.2 7.7 35.2
Oct-02-2017 474 84 18 617 8.7 7.7 36.9
Oct-03-2017 486 101 17 626 9.0 7.7 30.4
Oct-04-2017 489 217 18 588 9.0 7.7 33.2
Oct-05-2017 480 320 18 554 8.8 7.6 35.6
Oct-06-2017 432 378 18 602 8.9 7.7 30.8
Oct-07-2017 355 317 19 639 8.9 7.7 34.9
Oct-08-2017 394 298 18 620 8.8 7.7 33.3
Oct-09-2017 356 344 17 671 8.9 7.7 32.8
Oct-10-2017 255 346 18 760 8.7 7.7 34.3
Oct-11-2017 182 313 18 818 8.5 7.7 43.9
Oct-12-2017 188 319 16 795 9.0 7.8 42.6
Oct-13-2017 214 310 15 763 9.1 7.7 34.9
Oct-14-2017 221 308 16 741 9.1 7.7 33.8
Oct-15-2017 280 315 16 701 9.1 7.7 30.5
Oct-16-2017 371 322 16 634 9.0 7.6 28.6
Oct-17-2017 443 355 16 602 8.8 7.6 27.0
Oct-18-2017 470 386 17 596 8.6 7.6 27.4
Oct-19-2017 501 441 17 571 8.4 7.6 26.0
Oct-20-2017 539 493 17 582 8.2 7.5 26.9
Oct-21-2017 553 455 16 587 8.3 7.5 29.7
Oct-22-2017 566 424 16 600 8.5 7.6 29.7
Oct-23-2017 576 457 16 610 8.5 7.6 27.5
Oct-24-2017 502 514 17 642 8.4 7.6 27.7
Oct-25-2017 460 546 18 658 8.1 7.6 32.3
Oct-26-2017 419 562 18 686 7.8 7.6 33.3
Oct-27-2017 394 552 19 711 7.6 7.6 36.2
Oct-28-2017 366 587 19 777 7.5 7.6 39.2
Oct-29-2017 320 549 19 826 7.3 7.6 46.6
Oct-30-2017 328 511 18 842 7.4 7.6 47.9
Oct-31-2017 354 479 17 870 7.7 7.7 41.1
Nov-01-2017 369 507 16 903 8.0 7.7
Nov-02-2017 372 510 16 914 7.9 7.7
Nov-03-2017 375 474 16 912 7.9 7.7
Nov-04-2017 374 466 16 902 7.9 7.7
Nov-05-2017 367 457 15 892 8.2 7.7
Nov-06-2017 359 432 14 919 8.5 7.7
Nov-07-2017 356 417 14 924 8.7 7.9
Nov-08-2017 355 418 14 888 8.7 7.9 44.4
Nov-09-2017 357 426 15 889 8.5 7.9 44.9
Nov-10-2017 355 414 15 915 8.3 7.8 44.2
Nov-11-2017 356 436 15 912 8.4 7.9 41.8
Nov-12-2017 361 482 15 880 8.5 7.9 45.2
Nov-13-2017 363 491 15 899 8.6 7.9 43.5
Nov-14-2017 363 424 16 909 8.4 7.8 43.2
Nov-15-2017 366 423 15 916 8.4 7.8 41.7
Nov-16-2017 371 436 15 909 8.2 7.8 44.9
Nov-17-2017 376 465 15 933 8.0 7.8 45.2
Nov-18-2017 369 452 14 973 8.4 7.8 37.5
Nov-19-2017 373 456 14 953 8.7 7.8 35.0
Nov-20-2017 378 458 14 963 8.6 7.7 38.9
Nov-21-2017 383 455 14 980 8.4 7.7 39.4
Nov-22-2017 390 468 14 963 8.4 7.7 40.0
Nov-23-2017 398 484 15 969 8.3 7.7 41.8
Nov-24-2017 394 476 16 1,000 8.1 7.6 39.0
Nov-25-2017 392 465 16 1,020 8.0 7.6 43.8
Nov-26-2017 399 471 16 1,000 7.8 7.6 46.0
Nov-27-2017 404 474 15 1,010 8.0 7.6 44.7
Nov-28-2017 402 465 14 1,020 8.5 7.6 38.4
Nov-29-2017 399 466 13 1,030 8.8 7.6 40.3
Nov-30-2017 385 443 13 1,060 9.1 7.6 35.5
Dec-01-2017 377 426 12 1,120 9.2 7.6 30.2
Dec-02-2017 375 423 12 1,140 9.3 7.6 31.4
Dec-03-2017 380 430 12 1,150 9.4 7.6 31.8
Dec-04-2017 386 428 10 1,140 10.0 7.7 26.7
Dec-05-2017 373 411 10 1,190 10.3 7.6 21.0
Dec-06-2017 358 387 9 1,190 10.3 7.6 20.2
Dec-07-2017 351 363 9 1,210 10.4 7.6 19.6
Dec-08-2017 346 362 9 1,250 10.5 7.6 18.2
Dec-09-2017 328 341 9 1,320 10.4 7.6 22.8
Dec-10-2017 325 333 9 1,300 10.5 7.6 22.2
Dec-11-2017 324 339 9 1,270 10.6 7.6 21.0
PARAMETER FlowEstimate Flow (NEW -
MST)Temperature
Specific
ConductanceDissolved Oxygen pH Turbidity
DATA SOURCE USGS Calculated USGS USGS USGS USGS USGS
UNITS cfs °C µS/cm mg/L NTU
Dec-12-2017 322 344 9 1,290 10.6 7.6 19.8
Dec-13-2017 323 342 8 1,320 10.7 7.7 20.9
Dec-14-2017 316 324 9 1,350 10.7 7.7 18.8
Dec-15-2017 319 322 8 1,320 10.7 7.7 19.2
Dec-16-2017 333 340 9 1,340 10.7 7.8 31.4
Dec-17-2017 320 327 8 1,380 10.8 7.8 27.2
Dec-18-2017 317 327 8 1,380 10.8 7.8 21.6
Dec-19-2017 314 339 8 1,380 10.9 7.8 19.8
Dec-20-2017 313 340 9 1,380 10.6 7.8 24.8
Dec-21-2017 310 336 8 1,380 10.8 7.8 19.8
Dec-22-2017 308 334 8 1,400 11.0 7.8 18.1
Dec-23-2017 310 339 8 1,390 11.0 7.8 17.2
Dec-24-2017 314 348 9 1,400 10.7 7.7 18.0
Dec-25-2017 330 370 9 1,350 10.8 7.7 18.6
Dec-26-2017 331 375 9 1,370 10.7 7.7 22.0
Dec-27-2017 327 373 9 1,390 10.7 7.8 22.4
Dec-28-2017 331 375 9 1,390 10.7 7.8 22.2
Dec-29-2017 336 382 9 1,360 10.8 7.8 22.6
Dec-30-2017 336 380 9 1,360 10.8 7.8 25.1
Dec-31-2017 341 387 9 1,390 10.7 7.8 24.5
NOTES:
USGS data webpage
http://waterdata.usgs.gov/nwis/dv/?site_no=11273400&agency_cd=USGS&referred_module=sw
Table 8b. Monthly averages and totals
PARAMETER Total FlowEstimate Flow (NEW -
MST)
Average
Temperature
Average Specific
Conductance
Average Dissolved
OxygenAverage pH
Average
Turbidity
DATA SOURCE Calculated Calculated Calculated Calculated Calculated Calculated Calculated
UNITS acre-feet acre-feet °C µS/cm mg/L units NTU
Jan-17 9,360 468,650 10 972 8.1 7.3 31
Feb-17 0 608,680 13 545 7.8 7.2 24
Mar-17 0 521,110 16 487 8.1 7.3 13
Apr-17 0 311,020 18 351 8.8 7.4 19
May-17 9,180 157,880 22 279 7.4 7.1 28
Jun-17 0 300,010 24 112 7.5 6.8 27
Jul-17 26,950 72,200 27 678 7.6 7.3 37
Aug-17 17,570 9,820 27 881 7.9 7.7 19
Sep-17 28,630 13,520 24 737 7.8 7.7 43
Oct-17 24,630 23,180 17 675 8.5 7.6 34
Nov-17 22,340 27,200 15 945 8.3 7.7 42
Dec-17 20,580 22,310 9 1,310 10.5 7.7 23
NOTES:
Table 9. Water quality monitoring in the San Joaquin River above Merced River at China Island Refuge (Station R)
PARAMETER Dissolved Oxygen pHSpecific
ConductanceTemperature Turbidity
DATA SOURCE USBR USBR USBR USBR USBR USBR USBR USBR
UNITS mg/L units µS/cm °C NTU ug/L mg/L ug/L
Jan-03-2017 NA NA NA NA NA NA NA No samples collected due to extreme weather and unsafe site conditions
Jan-12-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Jan-19-2017 NA NA NA NA NA NA NA No samples collected due to extreme weather and unsafe site conditions
Jan-26-2017 NA NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Feb-02-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Feb-09-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Feb-17-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Feb-23-2017 NA NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Mar-03-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Mar-10-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Mar-15-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Mar-23-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Mar-30-2017 NA NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Apr-07-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Apr-14-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Apr-21-2017 NA NA NA NA NA NA NA Not accessible, road across China Island flooded
Apr-26-2017 9.0 7.2 600 18.5 28.9 <0.4 0.35 3
May-04-2017 8.4 7.9 569 27.0 31.9 <0.4 0.02
May-12-2017 11.4 7.4 541 20.2 36.9 <0.4 0.30
May-18-2017 8.3 7.9 586 19.5 48.0 <0.4 0.34
May-25-2017 5.6 8.2 1,283 24.1 0.503 0.82 6
Jun-01-2017 2.4 6.2 1,415 23.6 83.5 0.573 0.97
Jun-09-2017 4.6 7.9 280 21.4 26.9 <0.4 0.17
Jun-13-2017 10.5 8.1 282 22.3 23.7 <0.4 0.15
Jun-20-2017 8.5 7.8 257 29.5 33.4 <0.4 0.13
Jun-27-2017 7.5 7.1 134 23.9 45.5 <0.4 0.064 1
Jul-05-2017 8.2 7.8 719 28.5 91.9 <0.4 0.41
Jul-12-2017 7.4 7.5 217 27.7 91.1 <0.4 0.067
Jul-18-2017 12.8 7.7 674 28.8 53.6 <0.4 0.24
Jul-27-2017 8.7 8.3 1,984 25.2 176.0 0.746 1.60 11
Aug-01-2017 9.3 8.3 3,227 26.9 75.6 0.808 2.40
Aug-08-2017 13.7 8.2 4,386 26.2 38.7 1.31 U 3.20
Aug-15-2017 5.7 8.4 2,063 25.0 95.9 0.944 1.70
Aug-24-2017 7.7 658 26.1 <0.4 0.27 5
Sep-01-2017 9.3 7.8 749 26.4 64.4 <0.4 0.28
Sep-08-2017 10.7 8.0 923 24.9 47.4 <0.4 0.37
Sep-15-2017 7.5 807 22.6 57.6 <0.4 0.37
Sep-22-2017 10.6 7.6 569 20.8 48.1 0.449 0.26
Sep-26-2017
Oct-06-2017 7.7 7.7 716 18.4 40.2 <0.4 0.35
Oct-13-2017 7.8 807 15.4 38.7 <0.4 0.42
Oct-19-2017
Oct-27-2017 8.1 7.6 768 18.8 37.6 <0.4 0.47
Oct-31-2017 12.1 7.6 839 16.8 53.3 <0.4 0.50 5
Nov-07-2017 15.6 7.8 900 15.6 52.5 <0.4 0.52
Nov-17-2017 10.6 7.6 932 15.8 48.3 <0.4 0.55
Nov-22-2017 13.0 7.6 941 14.0 42.8 <0.4 0.60
Nov-29-2017 0.0 7.5 1,041 12.9 50.7 <0.4 0.64 5
Dec-07-2017 14.5 7.7 1,187 9.1 22.5 <0.4 0.71
Dec-15-2017 13.0 7.8 1,299 9.1 31.5 <0.4 0.73
Dec-21-2017 15.8 7.8 1,347 8.2 20.4 <0.4 0.76
Dec-27-2017 11.6 7.6 1,463 9.1 42.1 <0.4 0.80 7
NOTES: No data collected for January, February, March, and the majority of April due to inaccessible site from rain
PARAMETERNitrates as N
(Dissolved)Ammonia as N
Total Kjeldahl
Nitrogen
Total Phosphorous
as P
Ortho-phosphate
as P
DATA SOURCE USBR USBR USBR USBR USBR
UNITS mg/L mg/L mg/L mg/L mg/L
Jan-26-2017
Feb-23-2017
Mar-30-2017
Apr-26-2017 <0.010 0.092
May-25-2017 0.40 H, V 0.15
Jun-27-2017 0.013 0.12
Jul-27-2017 0.690 0.17 T
Aug-24-2017 0.31 0.11
Oct-31-2017 0.110 0.19
Nov-29-2017 0.33 0.16
Dec-27-2017 0.26T 0.11
NOTES: TKN, Total P, and Ortho P removed from monitoring program in 2015 GBP WDR
Nutrients
Physicals
Total Selenium Total Boron Total Molybdenum
Table 10a. Water monitoring in the San Joaquin River at Fremont Ford (Station G)
USGS Station Code: 11261500
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Jan-01-2017 107 87 7.9 2,080
Jan-02-2017 103 82 8.2 2,140
Jan-03-2017 98.9 78 8.8 2,210
Jan-04-2017 99.9 78 9.9 2,200
Jan-05-2017 115 91 10.3 2,050
Jan-06-2017 176 148 8.4 1,680
Jan-07-2017 583 540 8.9 408
Jan-08-2017 742 686 10.1 518
Jan-09-2017 969 927 11.4 388
Jan-10-2017 2,300 2,272 12.7 218
Jan-11-2017 4,350 4,329 12.0 129
Jan-12-2017 7,710 7,502 11.6 129
Jan-13-2017 10,200 10,107 10.9 123
Jan-14-2017 11,100 11,004 10.0 109
Jan-15-2017 10,400 10,650 9.1 102
Jan-16-2017 9,300 9,796 8.9 106
Jan-17-2017 8,370 8,573 8.7 112
Jan-18-2017 7,980 7,828 8.6 111
Jan-19-2017 7,780 7,636 8.7 110
Jan-20-2017 7,970 7,875 9.2 117
Jan-21-2017 8,150 8,054 9.5 116
Jan-22-2017 9,050 9,072 9.7 114
Jan-23-2017 9,790 9,866 9.8 115
Jan-24-2017 9,940 10,010 9.6 109
Jan-25-2017 10,500 10,688 9.2 113
Jan-26-2017 10,400 10,478 9.3 118
Jan-27-2017 9,780 9,780 9.3 116
Jan-28-2017 8,900 8,865 9.3 124
Jan-29-2017 8,150 8,039 9.5 126
Jan-30-2017 7,780 7,613 9.6 123
Jan-31-2017 7,980 7,888 9.6 116
Feb-01-2017 8,270 8,180 9.8 111
Feb-02-2017 7,930 7,817 10.2 114
Feb-03-2017 6,740 11.3 129
Feb-04-2017 5,790 5,501 12.3 166
Feb-05-2017 5,550 5,273 12.6 169
Feb-06-2017 5,710 5,418 12.4 148
Feb-07-2017 5,990 5,741 12.3 131
Feb-08-2017 6,500 6,262 12.7 127
Feb-09-2017 8,430 8,326 13.2 122
Feb-10-2017 12,900 13,163 13.1 112
Feb-11-2017 16,700 17,367 12.3 110
Feb-12-2017 19,500 20,508 11.6 110
Feb-13-2017 19,700 20,796 11.5 110
Feb-14-2017 19,700 20,954 11.9 109
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Feb-15-2017 19,700 20,958 12.2 100
Feb-16-2017 19,100 20,083 12.5 100
Feb-17-2017 18,000 19,121 12.0 100
Feb-18-2017 17,900 18,942 11.7 100
Feb-19-2017 18,300 19,458 11.5 100
Feb-20-2017 17,800 18,946 11.5 100
Feb-21-2017 16,800 17,821 12.3 100
Feb-22-2017 17,100 18,308 12.4 100
Feb-23-2017 17,400 18,188 11.6 100
Feb-24-2017 17,100 17,638 11.1 101
Feb-25-2017 16,600 17,033 11.0 100
Feb-26-2017 16,100 16,450 11.0 95
Feb-27-2017 15,600 15,892 11.4 90
Feb-28-2017 15,100 15,371 11.2 90
Mar-01-2017 14,600 14,863 11.0 86
Mar-02-2017 14,100 14,275 11.5 90
Mar-03-2017 13,700 13,829 12.0 86
Mar-04-2017 13,400 13,508 12.4 80
Mar-05-2017 13,000 13,129 12.1 80
Mar-06-2017 12,400 12,454 11.3 80
Mar-07-2017 12,100 12,150 11.4 80
Mar-08-2017 11,800 11,808 11.9 78
Mar-09-2017 11,400 11,379 12.8 78
Mar-10-2017 11,300 11,296 13.4 78
Mar-11-2017 11,100 11,033 13.8 76
Mar-12-2017 10,700 10,608 14.4 75
Mar-13-2017 10,400 10,208 14.8 70
Mar-14-2017 10,200 10,023 15.3 70
Mar-15-2017 10,100 9,907 15.8 70
Mar-16-2017 9,900 9,720 15.9 70
Mar-17-2017 9,860 9,673 15.9 70
Mar-18-2017 9,890 9,715 15.6 70
Mar-19-2017 9,480 9,286 15.1 77
Mar-20-2017 9,110 8,875 14.8 80
Mar-21-2017 9,060 8,813 14.9 75
Mar-22-2017 9,090 8,853 14.3 70
Mar-23-2017 9,140 8,895 14.2 72
Mar-24-2017 9,470 9,249 13.9 80
Mar-25-2017 9,770 9,579 13.6 70
Mar-26-2017 9,790 9,607 13.9 70
Mar-27-2017 9,570 9,373 14.3 70
Mar-28-2017 9,050 8,821 14.3 77
Mar-29-2017 8,470 8,198 15.4 80
Mar-30-2017 7,830 7,516 16.2 90
Mar-31-2017 7,250 6,910 14.7 102
Apr-01-2017 6,810 6,443 14.9 102
Apr-02-2017 6,420 6,037 16.3 102
Apr-03-2017 5,930 5,515 17.0 119
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Apr-04-2017 5,550 5,128 17.0 117
Apr-05-2017 5,250 4,824 17.7 110
Apr-06-2017 5,020 4,604
Apr-07-2017 4,860 4,421 15.6 110
Apr-08-2017 4,800 4,365 15.2 110
Apr-09-2017 4,830 4,387 15.0 100
Apr-10-2017 5,200 4,750 15.3 88
Apr-11-2017 5,820 5,388 15.6 80
Apr-12-2017 6,270 5,861 16.2 79
Apr-13-2017 6,580 6,182 16.4 70
Apr-14-2017 6,650 6,261 15.7 70
Apr-15-2017 6,570 6,182 15.3 66
Apr-16-2017 6,470 6,071 15.4 63
Apr-17-2017 6,370 5,968 15.1 70
Apr-18-2017 6,200 5,797 15.5 70
Apr-19-2017 5,970 5,557 16.4 70
Apr-20-2017 5,840 5,422 17.0 70
Apr-21-2017 5,730 5,315 17.3 70
Apr-22-2017 5,540 5,116 17.8 78
Apr-23-2017 5,420 4,982 18.0 80
Apr-24-2017 5,540 5,105 18.0 72
Apr-25-2017 5,800 5,373 17.3 60
Apr-26-2017 5,900 5,484 17.0 60
Apr-27-2017 5,880 5,453 17.6 60
Apr-28-2017 5,830 5,386 17.0 60
Apr-29-2017 5,810 5,335 16.1 60
Apr-30-2017 5,720 5,224 17.5 60
May-01-2017 5,580 5,054 18.8 60
May-02-2017 5,460 4,919 19.8 60
May-03-2017 5,280 4,709 21.2 66
May-04-2017 4,960 4,385 22.5 70
May-05-2017 4,370 3,889 22.4 75
May-06-2017 3,690 3,361 20.6 84
May-07-2017 3,080 2,870 19.4 97
May-08-2017 2,840 2,679 19.3 82
May-09-2017 2,890 2,719 20.5 78
May-10-2017 3,040 2,863 20.7 82
May-11-2017 3,160 3,194 20.1 96
May-12-2017 3,080 3,125 19.6 80
May-13-2017 2,770 2,875 18.6 74
May-14-2017 2,460 2,610 18.4 80
May-15-2017 2,330 2,503 18.4 80
May-16-2017 2,380 2,549 17.8 70
May-17-2017 2,420 2,575 17.9 69
May-18-2017 2,190 2,405 18.7 96
May-19-2017 1,830 2,043 19.8 165
May-20-2017 1,540 1,672 21.5 262
May-21-2017 1,320 1,427 23.5 292
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
May-22-2017 1,150 1,237 25.0 347
May-23-2017 1,050 1,121 26.0 359
May-24-2017 1,010 1,072 26.2 377
May-25-2017 952 1,010 24.9 374
May-26-2017 837 884 23.3 465
May-27-2017 726 760 22.5 572
May-28-2017 626 649 22.8 630
May-29-2017 576 592 23.4 655
May-30-2017 818 852 23.7 324
May-31-2017 1,320 1,400 23.0 126
Jun-01-2017 1,990 2,197 22.2 72
Jun-02-2017 2,800 2,876 21.7 71
Jun-03-2017 3,550 3,566 21.9 96
Jun-04-2017 4,040 4,030 21.7
Jun-05-2017 4,340 4,210 21.2
Jun-06-2017 4,570 4,353 21.4
Jun-07-2017 4,750 4,451 21.3
Jun-08-2017 4,830 4,792 20.1
Jun-09-2017 4,750 4,770 19.4
Jun-10-2017 4,700 4,726 19.6
Jun-11-2017 4,630 4,678 19.3
Jun-12-2017 4,550 4,578 18.6
Jun-13-2017 4,660 4,694 19.1
Jun-14-2017 4,850 4,895 20.1
Jun-15-2017 5,000 5,047 21.0
Jun-16-2017 5,080 5,146 21.9
Jun-17-2017 5,070 5,131 23.2
Jun-18-2017 4,950 4,994 24.3
Jun-19-2017 4,820 4,871 25.4
Jun-20-2017 4,740 4,778 26.0
Jun-21-2017 4,810 4,846 26.0
Jun-22-2017 4,970 5,019 26.2
Jun-23-2017 5,250 5,312 26.0
Jun-24-2017 5,550 5,653 25.2
Jun-25-2017 5,860 5,989 24.6
Jun-26-2017 6,310 6,457 24.0
Jun-27-2017 6,860 7,055 23.3
Jun-28-2017 7,170 7,409 23.0
Jun-29-2017 6,800 7,020 23.3
Jun-30-2017 5,760 5,899 23.6
Jul-01-2017 4,750 4,811 23.8
Jul-02-2017 3,900 3,929 24.1
Jul-03-2017 2,690 2,821 24.9 95
Jul-04-2017 1,910 2,154 25.6 114
Jul-05-2017 1,620 1,765 26.2 158
Jul-06-2017 1,380 1,488 26.7 167
Jul-07-2017 1,280 1,375 27.0 153
Jul-08-2017 1,260 1,354 27.2 148
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Jul-09-2017 1,220 1,310 27.2 147
Jul-10-2017 1,140 1,221 27.6 166
Jul-11-2017 983 1,045 28.0 239
Jul-12-2017 971 1,028 28.0 203
Jul-13-2017 1,060 1,124 27.5 150
Jul-14-2017 1,080 1,153 27.2 139
Jul-15-2017 994 1,059 27.1 193
Jul-16-2017 818 864 27.2 280
Jul-17-2017 634 659 27.7 384
Jul-18-2017 520 533 27.5 498
Jul-19-2017 431 435 27.0 632
Jul-20-2017 356 353 26.5 794
Jul-21-2017 298 289 26.6 1,050
Jul-22-2017 269 257 26.8 1,230
Jul-23-2017 258 246 27.5 1,250
Jul-24-2017 265 252 27.9 1,060
Jul-25-2017 282 279 27.2 891
Jul-26-2017 257 269 27.0 916
Jul-27-2017 246 265 27.2 1,060
Jul-28-2017 236 283 27.8 1,250
Jul-29-2017 235 243 27.6 1,160
Jul-30-2017 247 244 27.4 1,030
Jul-31-2017 286 302 27.3 919
Aug-01-2017 307 1,167 27.7 866
Aug-02-2017 330 1,084 28.9 851
Aug-03-2017 301 1,448 29.0 940
Aug-04-2017 287 828 27.3 1,030
Aug-05-2017 277 717 26.7 1,000
Aug-06-2017 275 778 27.0 952
Aug-07-2017 252 675 26.6 904
Aug-08-2017 251 675 26.5 754
Aug-09-2017 251 395 26.6 781
Aug-10-2017 273 280 26.7 771
Aug-11-2017 304 264 26.9 859
Aug-12-2017 285 234 27.2 834
Aug-13-2017 255 207 26.8 751
Aug-14-2017 272 262 26.7 687
Aug-15-2017 300 290 25.8 601
Aug-16-2017 303 294 25.4 576
Aug-17-2017 287 277 25.9 605
Aug-18-2017 269 256 26.5 657
Aug-19-2017 257 245 26.9 732
Aug-20-2017 264 252 26.5 678
Aug-21-2017 265 245 25.8 582
Aug-22-2017 273 251 25.6 553
Aug-23-2017 280 260 26.1 531
Aug-24-2017 293 271 26.1 498
Aug-25-2017 280 255 25.9 533
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Aug-26-2017 263 236 26.2 586
Aug-27-2017 275 247 26.8 561
Aug-28-2017 277 248 27.4 510
Aug-29-2017 285 256 27.6 469
Aug-30-2017 264 232 27.2 530
Aug-31-2017 260 239 26.4 580
Sep-01-2017 241 231 26.5 676
Sep-02-2017 249 262 27.1 656
Sep-03-2017 241 253 28.0 664
Sep-04-2017 226 236 27.5 779
Sep-05-2017 223 231 27.7 789
Sep-06-2017 213 222 27.9 837
Sep-07-2017 216 223 26.4 802
Sep-08-2017 211 219 25.3 838
Sep-09-2017 205 212 25.7 802
Sep-10-2017 210 217 25.9 676
Sep-11-2017 209 217 26.2 634
Sep-12-2017 202 208 26.5 731
Sep-13-2017 212 220 26.0 650
Sep-14-2017 206 213 24.7 722
Sep-15-2017 208 216 23.6 671
Sep-16-2017 210 218 23.5 645
Sep-17-2017 208 216 23.3 645
Sep-18-2017 206 213 23.0 694
Sep-19-2017 221 230 22.1 610
Sep-20-2017 218 227 21.7 632
Sep-21-2017 228 237 21.6 579
Sep-22-2017 236 247 20.6 539
Sep-23-2017 236 248 19.7 541
Sep-24-2017 233 243 19.2 550
Sep-25-2017 227 237 19.4 532
Sep-26-2017 226 235 20.0 515
Sep-27-2017 232 243 20.9 493
Sep-28-2017 214 223 21.6 585
Sep-29-2017 206 214 21.8 619
Sep-30-2017 198 204 21.7 648
Oct-01-2017 196 202 20.5 645
Oct-02-2017 199 205 18.3 656
Oct-03-2017 210 218 18.0 617
Oct-04-2017 228 238 18.0 561
Oct-05-2017 233 244 18.0 541
Oct-06-2017 232 242 18.1 572
Oct-07-2017 227 237 18.6 559
Oct-08-2017 219 228 18.4 583
Oct-09-2017 209 217 17.6 635
Oct-10-2017 202 209 18.0 682
Oct-11-2017 203 210 17.6 693
Oct-12-2017 209 216 15.9 698
Oct-13-2017 213 222 15.6 640
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Oct-14-2017 217 225 15.7 632
Oct-15-2017 217 225 15.8 662
Oct-16-2017 227 237 16.2 631
Oct-17-2017 231 242 16.5 621
Oct-18-2017 239 250 16.6 598
Oct-19-2017 229 240 16.9 627
Oct-20-2017 223 231 17.2 646
Oct-21-2017 229 231 16.3 646
Oct-22-2017 232 235 16.3 686
Oct-23-2017 229 231 16.8 718
Oct-24-2017 231 234 17.5 680
Oct-25-2017 240 243 17.9 634
Oct-26-2017 247 251 18.2 621
Oct-27-2017 245 250 18.5 639
Oct-28-2017 242 246 18.7 677
Oct-29-2017 243 247 18.4 666
Oct-30-2017 241 245 17.8 685
Oct-31-2017 237 241 16.7 709
Nov-01-2017 232 235 16.3 752
Nov-02-2017 238 241 15.7 753
Nov-03-2017 233 237 15.7 750
Nov-04-2017 238 241 16.0 753
Nov-05-2017 242 246 15.1 764
Nov-06-2017 236 239 14.3 791
Nov-07-2017 241 245 13.9 743
Nov-08-2017 245 250 13.7 748
Nov-09-2017 248 252 14.5 758
Nov-10-2017 232 234 14.9 793
Nov-11-2017 239 243 14.9 754
Nov-12-2017 247 251 14.6 754
Nov-13-2017 246 251 14.6 795
Nov-14-2017 244 249 15.3 799
Nov-15-2017 255 261 15.0 760
Nov-16-2017 259 265 15.1 776
Nov-17-2017 252 257 15.2 810
Nov-18-2017 250 255 14.1 820
Nov-19-2017 253 259 13.5 810
Nov-20-2017 253 258 13.9 845
Nov-21-2017 255 261 13.9 834
Nov-22-2017 262 268 13.9 845
Nov-23-2017 263 270 14.7 863
Nov-24-2017 260 266 15.4 881
Nov-25-2017 265 272 15.5 861
Nov-26-2017 276 285 15.3 828
Nov-27-2017 283 0 14.8 849
Nov-28-2017 286 0 13.8 858
Nov-29-2017 289 0 13.2 839
Nov-30-2017 277 0 12.4 895
Dec-01-2017 264 270 11.9 947
Dec-02-2017 259 265 11.6 963
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
Dec-03-2017 264 270 11.7 941
Dec-04-2017 268 275 10.3 913
Dec-05-2017 256 262 9.5 944
Dec-06-2017 249 254 9.0 955
Dec-07-2017 247 252 8.7 972
Dec-08-2017 246 251 8.5 980
Dec-09-2017 242 246 8.3 1,040
Dec-10-2017 246 250 8.2 1,030
Dec-11-2017 254 260 8.1 994
Dec-12-2017 257 263 8.0 1,000
Dec-13-2017 258 264 7.9 1,030
Dec-14-2017 260 267 7.9 1,020
Dec-15-2017 270 278 7.8 980
Dec-16-2017 272 280 8.2 997
Dec-17-2017 267 274 7.8 1,040
Dec-18-2017 266 271 7.8 1,040
Dec-19-2017 270 262 7.8 1,000
Dec-20-2017 269 261 8.7 1,020
Dec-21-2017 266 257 7.9 1,020
Dec-22-2017 259 250 7.3 1,050
Dec-23-2017 252 243 7.8 1,060
Dec-24-2017 255 246 8.0 1,030
Dec-25-2017 267 259 8.0 953
Dec-26-2017 266 258 8.6 983
Dec-27-2017 267 260 8.4 982
Dec-28-2017 277 271 8.5 961
Dec-29-2017 278 271 8.5 972
Dec-30-2017 280 274 8.5 991
Dec-31-2017 288 282 8.7 967
NOTES:
USGS data webpage
http://waterdata.usgs.gov/nwis/dv/?site_no=11261500&agency_cd=USGS&referred_module=sw
Table 10b. Monthly averages and totals
PARAMETER Total Flow (USGS) Total Flow (CDEC) Average TemperatureAverage Specific
Conductance
DATA SOURCE Calculated Calculated Calculated Calculated
UNITS acre-feet acre-feet °C µS/cm
January-17 394,790 394,190 9.70 463
February-17 790,110 805,690 11.9 111
March-17 633,210 625,070 14.0 78
April-17 343,840 318,440 16.6 79
May-17 143,100 141,120 21.4 205
June-17 299,050 301,600 22.5 84
July-17 54,410 59,040 27.0 578
August-17 16,960 24,660 26.7 696
September-17 12,940 13,460 24 657
PARAMETER Flow Flow TemperatureSpecific
Conductance
DATA SOURCE USGS CDEC USGS USGS
UNITS cfs cfs °C µS/cm
October-17 13,910 14,330 17 644
November-17 15,140 13,140 14 809
December-17 15,620 15,620 9 994
NOTES:
Table 10c. Other water qulity monitoring in the San Joaquin River at Fremont Ford (Station G)
PARAMETER Dissolved Oxygen pHSpecific
ConductanceTemperature Turbidity
DATA SOURCE USBR USBR USBR USBR USBR USBR USBR
UNITS mg/L units µS/cm °C NTU ug/L mg/L
Jan-03-2017 No samples collected due to extreme weather and unsafe site conditionsJan-12-2017 8.4 7.8 117 13.1 89.6 <0.4 0.047
Jan-19-2017 No samples collected due to extreme weather and unsafe site conditionsJan-26-2017 11.3 8.0 114 10.4 53.7 <0.4 0.040
Feb-02-2017 10.6 8.3 102 11.2 49.4 <0.4 0.032
Feb-09-2017 8.4 8.1 139 14.5 39.0 <0.4 0.048
Feb-17-2017 <0.4 0.045 YSI sonde broken.Feb-23-2017 9.2 7.8 103 14.1 49.5 <0.4 <0.020
Mar-03-2017 No samples collected due to extreme weather and unsafe site conditionsMar-10-2017 10.5 7.3 79 14.6 25.2 <0.4 0.021
Mar-15-2017 10.3 7.7 88 19.0 61.9 <0.4 0.026
Mar-23-2017 No samples collected due to extreme weather and unsafe site conditionsMar-30-2017 9.6 7.0 99 16.8 34.8 <0.4 0.027
Apr-07-2017 No samples collected due to extreme weather and unsafe site conditionsApr-14-2017 10.8 8.6 105 16.4 28.1 <0.4 0.022
Apr-21-2017 10.1 8.8 95 18.3 23.2 <0.4 <0.020
Apr-26-2017 9.8 7.7 70 17.6 23.9 <0.4 0.020
May-04-2017 8.9 8.6 84 24.2 28.6 <0.4 0.320
May-12-2017 11.1 8.4 83 20.2 31.6 <0.4 0.029
May-18-2017 8.2 8.6 124 18.0 38.0 <0.4 0.032
May-25-2017 6.2 8.2 373 25.0 60.0 <0.4 0.091
Jun-01-2017 9.9 6.0 83 24.2 64.0 <0.4 <0.020
Jun-09-2017 4.9 8.6 66 19.4 29.6 <0.4 0.023
Jun-13-2017 10.9 8.3 55 19.9 30.0 <0.4 <0.020
Jun-20-2017 8.0 7.9 48 26.3 29.9 <0.4 <0.020
Jun-27-2017 7.6 7.6 51 23.0 31.1 <0.4 <0.020
Jul-05-2017 7.4 8.1 228 25.1 67.7 <0.4 0.065
Jul-12-2017 7.5 8.1 234 27.4 54.6 <0.4 0.075
Jul-18-2017 10.1 8.0 530 26.3 81.9 <0.4 0.180
Jul-27-2017 8.2 7.8 1,045 25.9 80.0 <0.4 0.330
Aug-01-2017 7.4 7.7 879 26.2 55.9 <0.4 0.280
Aug-08-2017 9.6 8.0 840 25.1 57.0 <0.4 0.230
Aug-15-2017 4.4 8.1 599 24.1 65.7 <0.4 0.210
Aug-24-2017 7.8 503 25.6 <0.4 0.160
Sep-01-2017 9.2 7.7 647 25.7 61.7 <0.4 0.220
Sep-08-2017 10.2 7.8 854 24.6 25.8 <0.4 0.280
Sep-15-2017 7.8 674 23.2 42.7 <0.4 0.240
Sep-22-2017 10.9 7.9 550 21.8 45.2 <0.4 0.210Sep-26-2017
Oct-06-2017 6.5 7.8 586 18.6 42.8 <0.4 0.21
Oct-13-2017 0.0 7.9 619 16.4 39.6 <0.4 0.25
Oct-19-2017 12.2 7.9 628 17.7 58.0 <0.4 0.29
Oct-27-2017 7.8 7.7 620 18.5 49.2 <0.4 0.28
Oct-31-2017 12.9 7.7 692 16.8 46.3 <0.4 0.31
Nov-07-2017 16.2 8.0 735 15.4 32.4 <0.4 0.30
Nov-17-2017 10.8 7.7 806 15.5 43.3 <0.4 0.31
Nov-22-2017 13.0 7.8 792 13.9 39.6 <0.4 0.32
Nov-29-2017 0.0 7.8 808 13.0 56.1 <0.4 0.35
Dec-07-2017 15.1 7.9 952 9.2 24.0 <0.4 0.38
Dec-15-2017 11.3 7.9 1,006 8.5 27.9 <0.4 0.40
Dec-21-2017 16.0 8.0 993 8.0 22.1 <0.4 0.39
Dec-27-2017 12.8 7.8 1,064 8.8 25.3 <0.4 0.38
NOTES:
PARAMETERNitrates as N
(Dissolved)Ammonia as N
Total Kjeldahl
Nitrogen
Total
Phosphorous as P
Ortho-phosphate
as P
DATA SOURCE USBR USBR USBR USBR USBR
UNITS mg/L mg/L mg/L mg/L mg/L
Jan-01-2017 NA NA
Feb-17-2017 NA NA
Mar-17-2017 NA NA
Apr-21-2017 NA NAMay-26-2017 NA NAJun-01-2017 NA NAJul-01-2017 NA NAAug-01-2017 NA NASep-01-2017 NA NAOct-01-2017 NA NANov-22-2017 NA NADec-01-2017 NA NA
NOTES: TKN, Total P, and Ortho P removed from monitoring program in 2015 GBP WDR
Nutrients
Physicals
Total Selenium Total Boron
Table 11a. Water monitoring in the San Joaquin River at Crows Landling(Station N)
USGS Station Code: 11274550
PARAMETER Flow Flow TemperatureSpecific
ConductanceTotal Selenium
DATA SOURCE USGS CDEC USGS USGS USBR
UNITS cfs cfs °C µS/cm µg/L
Jan-01-2017 476 476 8.2 1,480 0.69
Jan-02-2017 458 458 8.5 1,470 0.657
Jan-03-2017 447 447 8.8 1,470
Jan-04-2017 448 448 9.7 1,460 0.588
Jan-05-2017 458 458 10.4 1,450 0.6
Jan-06-2017 500 502 9.2 1,450
Jan-07-2017 775 791 9.0 1,310
Jan-08-2017 1,180 1,212 10.1 919
Jan-09-2017 2,170 2,243 11.5 790 0.941
Jan-10-2017 2,540 2,618 11.9 666 0.805
Jan-11-2017 4,180 4,334 12.3 579 <0.4
Jan-12-2017 5,240 5,418 12.0 517 0.407
Jan-13-2017 6,950 7,202 11.3 530
Jan-14-2017 9,370 9,662 10.6 409 0.474
Jan-15-2017 10,900 11,158 9.8 299 0.429
Jan-16-2017 11,200 11,421 9.2 288 0.429
Jan-17-2017 10,700 10,883 8.6 302 0.407
Jan-18-2017 9,880 10,105 8.3 318 <0.4
Jan-19-2017 9,460 9,693 8.4 294
Jan-20-2017 9,830 10,095 9.2 291
Jan-21-2017 11,100 11,396 9.6 299
Jan-22-2017 12,000 12,308 9.8 308
Jan-23-2017 13,800 14,042 9.8 301
Jan-24-2017 14,000 14,217 9.7 290
Jan-25-2017 14,100 14,313 9.5 268
Jan-26-2017 14,300 14,488 9.5 272 <0.4
Jan-27-2017 14,100 14,350 9.5 274
Jan-28-2017 13,300 13,558 9.6 274
Jan-29-2017 12,300 12,488 9.7 289
Jan-30-2017 11,300 11,554 9.9 303
Jan-31-2017 10,800 11,013 10.0 304
Feb-01-2017 10,800 10,992 10.1 284
Feb-02-2017 11,000 11,275 10.3 263 <0.4
Feb-03-2017 10,700 11.3 262
Feb-04-2017 9,790 10,007 12.2 264
Feb-05-2017 8,870 9,106 12.5 282
Feb-06-2017 8,460 8,707 12.3 302
Feb-07-2017 8,850 9,126 12.3 316
Feb-08-2017 10,300 10,529 12.8 322
Feb-09-2017 11,500 11,771 12.9 329 <0.4
Feb-10-2017 15,400 15,742 13.3 294
Feb-11-2017 19,900 20,163 12.8 241
Feb-12-2017 22,500 22,700 12.3 213
Feb-13-2017 23,400 23,600 11.8 198
Feb-14-2017 23,500 23,667 11.7 222
Feb-15-2017 23,500 23,658 12.0 224
Feb-16-2017 23,400 23,575 12.3 210
Feb-17-2017 23,200 23,358 12.3 207 <0.4
Feb-18-2017 23,700 23,846 11.9 233
Feb-19-2017 23,400 23,592 11.7 242
Feb-20-2017 23,400 23,567 11.5 206
Feb-21-2017 23,700 23,858 12.0 236
Feb-22-2017 22,700 22,929 12.5 265
Feb-23-2017 22,600 22,758 12.0 293 <0.4
Feb-24-2017 22,800 23,204 11.3 276
Feb-25-2017 22,900 23,242 11.1 269
Feb-26-2017 22,400 22,688 11.1 260
Feb-27-2017 22,000 22,283 11.5 280
PARAMETER Flow Flow TemperatureSpecific
ConductanceTotal Selenium
DATA SOURCE USGS CDEC USGS USGS USBR
UNITS cfs cfs °C µS/cm µg/L
Feb-28-2017 21,700 21,925 11.5 285
Mar-01-2017 21,400 21,613 11.4 270
Mar-02-2017 21,000 21,313 11.6 271
Mar-03-2017 20,700 21,025 12.0 249
Mar-04-2017 20,500 20,821 12.4 254
Mar-05-2017 20,200 20,571 12.4 256
Mar-06-2017 19,600 19,975 11.7 275
Mar-07-2017 19,200 19,546 11.6 261
Mar-08-2017 19,200 19,563 11.9 228
Mar-09-2017 19,000 19,367 12.7 253
Mar-10-2017 18,900 19,246 13.5 270 <0.4
Mar-11-2017 18,800 19,200 14.0 252
Mar-12-2017 18,600 18,992 14.5 273
Mar-13-2017 18,300 18,683 14.8 240
Mar-14-2017 18,100 18,513 15.3 273
Mar-15-2017 17,900 18,333 15.7 240 <0.4
Mar-16-2017 17,600 18,046 15.8 232
Mar-17-2017 17,400 17,904 15.9 246
Mar-18-2017 17,300 17,804 15.7 232
Mar-19-2017 17,100 17,588 15.2 235
Mar-20-2017 16,700 17,171 15.0 246
Mar-21-2017 16,700 17,171 14.9 238
Mar-22-2017 16,600 17,104 14.5 218
Mar-23-2017 16,300 16,779 14.2 242
Mar-24-2017 16,500 16,967 14.2 233
Mar-25-2017 17,000 17,538 13.8 230
Mar-26-2017 17,100 17,633 14.2 226
Mar-27-2017 17,000 17,517 14.4 228
Mar-28-2017 16,700 17,329 14.3 228
Mar-29-2017 16,400 16,921 14.9 242
Mar-30-2017 15,600 16,229 15.7 244 <0.4
Mar-31-2017 14,700 15,333 14.4 250
Apr-01-2017 14,100 14,725 14.4 256
Apr-02-2017 13,300 13,958 15.6 264
Apr-03-2017 12,700 13,321 16.0 256
Apr-04-2017 12,100 12,721 16.0 252
Apr-05-2017 11,400 12,075 16.6 262
Apr-06-2017 10,800 11,417 16.2 257
Apr-07-2017 10,400 11,092 14.7 255
Apr-08-2017 10,200 10,921 14.1 263
Apr-09-2017 9,780 10,475 14.3 270
Apr-10-2017 9,460 10,142 14.9 272
Apr-11-2017 9,820 10,500 15.5 252
Apr-12-2017 10,600 11,246 16.1 234
Apr-13-2017 11,200 11,938 16.3 212
Apr-14-2017 11,700 12,367 15.8 199 <0.4
Apr-15-2017 11,800 12,500 15.4 180
Apr-16-2017 11,700 12,429 15.4 178
Apr-17-2017 11,700 12,396 14.9 173
Apr-18-2017 11,600 12,357 15.2 176
Apr-19-2017 11,300 12,083 16.0 179
Apr-20-2017 11,000 11,751 16.7 191
Apr-21-2017 10,900 11,699 16.7 206 <0.4
Apr-22-2017 10,900 11,676 17.0 215
Apr-23-2017 10,800 11,609 17.0 214
Apr-24-2017 10,800 11,587 17.0 205
Apr-25-2017 11,000 11,777 16.7 196
Apr-26-2017 11,300 12,124 16.5 188 <0.4
Apr-27-2017 11,600 12,390 16.7 185
Apr-28-2017 11,600 12,408 16.5 197
Apr-29-2017 11,500 12,348 15.7 200
PARAMETER Flow Flow TemperatureSpecific
ConductanceTotal Selenium
DATA SOURCE USGS CDEC USGS USGS USBR
UNITS cfs cfs °C µS/cm µg/L
Apr-30-2017 11,600 12,385 16.6 208
May-01-2017 11,400 12,259 17.6 207
May-02-2017 11,200 12,091 18.5 210
May-03-2017 11,100 11,942 19.6 220
May-04-2017 10,800 11,658 20.7 226 <0.4
May-05-2017 10,300 11,188 20.5 238
May-06-2017 9,650 10,554 19.1 261
May-07-2017 8,840 9,772 17.9 280
May-08-2017 8,130 9,084 17.6 295
May-09-2017 7,730 8,690 17.9 305
May-10-2017 7,620 8,589 18.2 312
May-11-2017 7,380 8,324 18.5 320
May-12-2017 7,180 8,067 18.0 318 <0.4
May-13-2017 7,070 7,925 17.2 305
May-14-2017 6,890 7,695 16.8 296
May-15-2017 6,650 7,401 16.9 290
May-16-2017 6,500 7,256 16.7 284
May-17-2017 6,350 7,122 16.7 285
May-18-2017 6,140 6,932 17.0 283 <0.4
May-19-2017 5,400 6,219 18.4 282
May-20-2017 4,660 5,471 19.6 284
May-21-2017 4,150 4,954 20.7 290
May-22-2017 3,830 4,624 21.4 294
May-23-2017 3,560 4,350 21.9 297
May-24-2017 3,390 4,186 21.8 298
May-25-2017 3,270 4,062 21.3 300 <0.4
May-26-2017 3,310 3,937 19.8 301
May-27-2017 3,230 3,223 18.9 300
May-28-2017 3,110 3,102 18.9 301
May-29-2017 2,870 2,865 19.7 295
May-30-2017 2,750 2,738 20.1 296
May-31-2017 2,930 2,911 20.7 303
Jun-01-2017 3,110 3,085 21.5 308 <0.4
Jun-02-2017 3,440 3,405 22.2 308
Jun-03-2017 3,930 3,900 22.6 303
Jun-04-2017 4,450 4,414 22.8 302
Jun-05-2017 4,930 4,896 22.6 304
Jun-06-2017 5,240 5,213 22.9 298
Jun-07-2017 5,420 5,390 22.9 293
Jun-08-2017 5,520 5,489 21.7 285
Jun-09-2017 5,580 5,549 20.6 290 <0.4
Jun-10-2017 5,620 5,587 20.6 297
Jun-11-2017 5,600 5,564 20.3 299
Jun-12-2017 5,590 5,552 20.0 299
Jun-13-2017 5,640 5,604 20.3 298 <0.4
Jun-14-2017 5,830 5,776 21.1 288
Jun-15-2017 6,360 6,308 21.7 280
Jun-16-2017 6,830 6,778 22.3 274
Jun-17-2017 7,040 6,988 23.5 273
Jun-18-2017 7,100 7,050 24.4 276
Jun-19-2017 7,060 7,016 25.6 282
Jun-20-2017 6,980 6,927 26.3 278 <0.4
Jun-21-2017 6,930 6,879 26.4 257
Jun-22-2017 7,000 6,942 26.5 274
Jun-23-2017 7,220 7,160 26.3 286
Jun-24-2017 7,280 7,219 26.1 285
Jun-25-2017 7,390 7,320 25.7 284
Jun-26-2017 7,730 7,642 25.0 281
Jun-27-2017 8,020 7,930 24.3 271 <0.4
Jun-28-2017 7,990 7,904 24.2 261
Jun-29-2017 7,910 7,815 24.5 256
PARAMETER Flow Flow TemperatureSpecific
ConductanceTotal Selenium
DATA SOURCE USGS CDEC USGS USGS USBR
UNITS cfs cfs °C µS/cm µg/L
Jun-30-2017 7,540 7,466 24.7 252
Jul-01-2017 6,910 6,850 25.0 251
Jul-02-2017 6,780 6,705 24.4 251
Jul-03-2017 6,440 6,372 23.9 248
Jul-04-2017 5,490 5,426 23.8 243
Jul-05-2017 4,510 4,441 24.0 234 <0.4
Jul-06-2017 3,800 3,738 24.1 223
Jul-07-2017 3,370 3,382 24.3 217
Jul-08-2017 3,200 3,199 24.3 215
Jul-09-2017 3,140 3,134 24.3 222
Jul-10-2017 3,040 3,047 24.5
Jul-11-2017 2,510 2,521 25.3 175
Jul-12-2017 2,160 2,170 25.9 173 <0.4
Jul-13-2017 2,110 2,108 26.1 175
Jul-14-2017 2,000 2,007 26.3 177
Jul-15-2017 1,900 1,906 26.3 178
Jul-16-2017 1,770 1,782 26.3 179
Jul-17-2017 1,590 1,609 26.6 181
Jul-18-2017 1,390 1,406 26.3 182 <0.4
Jul-19-2017 1,230 1,249 25.5 182
Jul-20-2017 1,090 1,116 25.1 184
Jul-21-2017 954 979 25.0 188
Jul-22-2017 879 904 25.2 189
Jul-23-2017 894 920 25.9 194
Jul-24-2017 887 915 26.3 198
Jul-25-2017 849 880 26.2 202
Jul-26-2017 805 838 25.9 204
Jul-27-2017 769 804 25.9 206 <0.4
Jul-28-2017 726 763 26.0 210
Jul-29-2017 700 739 26.1 217
Jul-30-2017 675 715 25.9 218
Jul-31-2017 694 735 26.2 221
Aug-01-2017 695 737 26.6 221 <0.4
Aug-02-2017 749 792 27.6 276
Aug-03-2017 719 766 28.3 248
Aug-04-2017 675 723 27.1 223
Aug-05-2017 686 735 25.6 224
Aug-06-2017 697 748 25.7 230
Aug-07-2017 656 710 25.7 223
Aug-08-2017 630 684 25.5 245 <0.4
Aug-09-2017 622 678 25.7 321
Aug-10-2017 675 732 25.5 407
Aug-11-2017 677 735 25.8 415
Aug-12-2017 720 780 26.2 500
Aug-13-2017 703 765 26.0 522
Aug-14-2017 665 730 25.8 487
Aug-15-2017 665 730 25.5 496 <0.4
Aug-16-2017 668 735 25.3 511
Aug-17-2017 683 752 25.6 536
Aug-18-2017 649 719 25.9 542
Aug-19-2017 653 725 26.2 609
Aug-20-2017 635 707 26.0 596
Aug-21-2017 635 711 25.5 578
Aug-22-2017 616 691 25.0 565
Aug-23-2017 632 711 25.4 588
Aug-24-2017 603 683 25.8 568 <0.4
Aug-25-2017 608 689 25.6 564
Aug-26-2017 639 722 25.5 578
Aug-27-2017 671 755 26.3 594
Aug-28-2017 678 764 27.0 531
Aug-29-2017 648 736 27.2 512
PARAMETER Flow Flow TemperatureSpecific
ConductanceTotal Selenium
DATA SOURCE USGS CDEC USGS USGS USBR
UNITS cfs cfs °C µS/cm µg/L
Aug-30-2017 613 703 26.5 515
Aug-31-2017 625 711 25.5 523
Sep-01-2017 671 730 25.5 522 <0.4
Sep-02-2017 888 850 25.8 437
Sep-03-2017 1,010 959 25.1 377
Sep-04-2017 994 945 24.8 374
Sep-05-2017 943 894 24.6 356
Sep-06-2017 968 911 24.9 372
Sep-07-2017 1,010 950 24.2 378
Sep-08-2017 1,080 1,005 22.9 364 <0.4
Sep-09-2017 1,090 1,008 22.8 354
Sep-10-2017 1,130 1,044 22.9 353
Sep-11-2017 1,170 1,074 23.1 318
Sep-12-2017 1,160 1,061 23.2 290
Sep-13-2017 1,200 1,095 23.0 294
Sep-14-2017 1,210 1,103 22.5 300
Sep-15-2017 1,240 1,126 21.5 297 <0.4
Sep-16-2017 1,330 1,204 20.7 283
Sep-17-2017 1,360 1,228 20.3 259
Sep-18-2017 1,420 1,271 19.9 243
Sep-19-2017 1,430 1,280 19.3 232
Sep-20-2017 1,430 1,274 19.0 230
Sep-21-2017 1,410 1,257 19.0 232
Sep-22-2017 1,450 1,288 18.4 234 <0.4
Sep-23-2017 1,250 1,109 18.2 232
Sep-24-2017 1,130 990 18.1 234
Sep-25-2017 1,090 943 18.2 236
Sep-26-2017 1,030 889 18.7 239
Sep-27-2017 1,040 894 19.4 247
Sep-28-2017 1,110 946 20.0 277
Sep-29-2017 1,220 1,050 19.9 283
Sep-30-2017 1,320 1,131 19.4 257
Oct-01-2017 1,430 1,233 18.5 240
Oct-02-2017 1,510 1,295 17.0 225
Oct-03-2017 1,540 1,325 16.4 217
Oct-04-2017 1,570 1,344 16.1 217
Oct-05-2017 1,580 1,346 16.1 214
Oct-06-2017 1,570 1,341 16.3 213 <0.4
Oct-07-2017 1,450 1,230 16.6 216
Oct-08-2017 1,520 1,286 16.8 220
Oct-09-2017 1,540 1,301 16.1 220
Oct-10-2017 1,380 1,151 16.5 222
Oct-11-2017 1,220 1,004 16.6 222
Oct-12-2017 1,220 989 15.4 225
Oct-13-2017 1,280 1,042 15.1 253 <0.4
Oct-14-2017 1,310 1,070 14.9 272
Oct-15-2017 1,430 1,167 14.9 267
Oct-16-2017 1,600 1,323 15.0 244
Oct-17-2017 1,750 1,459 15.0 225
Oct-18-2017 1,850 1,544 15.2 217
Oct-19-2017 1,930 1,613 15.3 215 <0.4
Oct-20-2017 1,980 1,733 15.4 211
Oct-21-2017 2,040 2,038 15.1 211
Oct-22-2017 2,040 2,044 14.9 211
Oct-23-2017 2,040 2,046 15.0 212
Oct-24-2017 1,990 1,997 15.6 222
Oct-25-2017 1,910 1,912 16.1 236
Oct-26-2017 1,770 1,781 16.6 248
Oct-27-2017 1,650 1,653 16.9 249 <0.4
Oct-28-2017 1,530 1,543 17.0 232
Oct-29-2017 1,270 1,286 17.2 231
PARAMETER Flow Flow TemperatureSpecific
ConductanceTotal Selenium
DATA SOURCE USGS CDEC USGS USGS USBR
UNITS cfs cfs °C µS/cm µg/L
Oct-30-2017 1,130 1,145 17.1 260
Oct-31-2017 1,070 1,082 16.6 318 <0.4
Nov-01-2017 1,030 1,041 16.1 441
Nov-02-2017 1,020 1,035 15.8 451
Nov-03-2017 1,030 1,048 15.7 467
Nov-04-2017 1,010 1,031 15.9 448
Nov-05-2017 958 974 15.3 392
Nov-06-2017 890 909 14.6 317
Nov-07-2017 853 873 14.3 279 <0.4
Nov-08-2017 831 852 14.1 254
Nov-09-2017 824 847 14.8 251
Nov-10-2017 828 851 15.2 256
Nov-11-2017 809 834 15.3 244
Nov-12-2017 818 843 15.0 253
Nov-13-2017 819 845 14.9 266
Nov-14-2017 816 844 15.6 294
Nov-15-2017 813 841 15.5 303
Nov-16-2017 818 849 15.3 353
Nov-17-2017 827 857 15.3 426 <0.4
Nov-18-2017 808 840 14.5 361
Nov-19-2017 809 841 13.8 375
Nov-20-2017 812 846 14.0 399
Nov-21-2017 812 846 14.3 415
Nov-22-2017 814 849 14.2 431 <0.4
Nov-23-2017 830 866 14.9 506
Nov-24-2017 820 859 15.7 473
Nov-25-2017 810 849 16.0 446
Nov-26-2017 811 851 15.7 463
Nov-27-2017 818 858 15.3 512
Nov-28-2017 812 853 14.2 504
Nov-29-2017 805 847 13.4 491 <0.4
Nov-30-2017 779 822 12.8 373
Dec-01-2017 756 801 12.4 302
Dec-02-2017 743 790 12.1 287
Dec-03-2017 741 789 12.2 352
Dec-04-2017 739 787 10.9 423
Dec-05-2017 729 779 9.9 445
Dec-06-2017 714 764 9.7 403
Dec-07-2017 698 751 9.4 362 <0.4
Dec-08-2017 684 737 9.4 326
Dec-09-2017 663 717 9.2 288
Dec-10-2017 657 712 9.2 288
Dec-11-2017 653 709 9.1 291
Dec-12-2017 647 705 9.0 295
Dec-13-2017 643 702 8.9
Dec-14-2017 639 698 8.8
Dec-15-2017 634 692 8.8
Dec-16-2017 656 714 9.0
Dec-17-2017 653 711 8.6
Dec-18-2017 647 692 8.7 453
Dec-19-2017 641 643 8.6 452
Dec-20-2017 639 641 9.4 469
Dec-21-2017 632 634 9.0 497 <0.4
Dec-22-2017 635 637 8.2 538
Dec-23-2017 640 642 8.4 575
Dec-24-2017 643 644 8.9 622
Dec-25-2017 658 660 9.1 713
Dec-26-2017 662 664 9.5 766
Dec-27-2017 654 655 9.4 793 <0.4
Dec-28-2017 651 652 9.3 812
Dec-29-2017 656 657 9.3 841
PARAMETER Flow Flow TemperatureSpecific
ConductanceTotal Selenium
DATA SOURCE USGS CDEC USGS USGS USBR
UNITS cfs cfs °C µS/cm µg/L
Dec-30-2017 659 661 9.2 859
Dec-31-2017 663 665 9.3 893
NOTES:
USGS data webpage
http://waterdata.usgs.gov/nwis/dv/?site_no=11274550&agency_cd=USGS&referred_module=sw
Table 11b. Monthly averages and totals
PARAMETER Total Flow (USGS) Total Flow (CDEC) Average TemperatureAverage Specific
ConductanceAverage Selenium
DATA SOURCE Calculated Calculated Calculated Calculated Calculated
UNITS acre-feet acre-feet °C µS/cm µg/L
Jan-17 513,980 525,000 9.9 551 0.544
Feb-17 1,065,080 1,056,270 12.0 260 0.399
Mar-17 1,077,240 1,105,900 14.2 246 0.399
Apr-17 662,210 706,290 16.1 216 0.399
May-17 359,690 399,340 19.2 290 0.399
Jun-17 383,650 380,500 23.5 281 0.399
Jul-17 121,030 121,660 25.5 204 0.399
Aug-17 40,870 44,850 25.9 465 0.399
Sep-17 71,730 64,380 21.0 287 0.399
Oct-17 95,620 87,020 15.9 246 0.399
Nov-17 49,550 51,400 14.7 371 0.399
Dec-17 38,140 39,900 9.3 532 0.399
NOTES:
Table 11c. Other water qulity monitoring in the San Joaquin River at Crows Landing (Station N)
PARAMETER Dissolved Oxygen pHSpecific
ConductanceTemperature Turbidity
DATA SOURCE USBR USBR USBR USBR USBR USBR USBR USBR
UNITS mg/L units µS/cm °C NTU ug/L mg/L ug/L
Jan-03-2017 No samples collected due to extreme weather and unsafe site conditions
Jan-12-2017 8.7 7.7 513 12.3 133 0.597 0.400
Jan-19-2017 No samples collected due to extreme weather and unsafe site conditions
Jan-26-2017 12.9 8.2 255 10.8 41.4 <0.4 0.150 2
Feb-02-2017 11.7 6.5 239 10.8 21.3 <0.4 0.150
Feb-09-2017 8.5 6.7 301 13.4 51.8 <0.4 0.180
Feb-17-2017 <0.4 0.060 No physical measurements taken because YSI sonde was broken
Feb-23-2017 10.5 8.2 224 13.7 48.6 <0.4 0.088 <2.0
Mar-03-2017 No samples collected due to extreme weather and unsafe site conditions
Mar-10-2017 10.1 7.3 170 15.1 17.8 <0.4 0.070
Mar-15-2017 11.5 8.0 185 19.4 46.4 <0.4 0.065
Mar-23-2017 No samples collected due to extreme weather and unsafe site conditions
Mar-30-2017 9.9 7.7 207 17.7 20.4 <0.4 0.094 1
Apr-07-2017 No samples collected due to extreme weather and unsafe site conditions
Apr-14-2017 10.7 8.3 138 16.0 36.4 <0.4 0.068
Apr-21-2017 10.6 8.2 159 17.1 14.1 <0.4 0.063
Apr-26-2017 9.3 6.6 131 16.8 16.8 <0.4 0.048 <1.0
May-04-2017 9.2 8.1 137 21.7 18.9 <0.4 0.045
May-12-2017 12.6 8.1 137 18.1 25.7 <0.4 0.043
May-18-2017 8.5 8.1 191 16.9 27.4 <0.4 0.064
May-25-2017 7.0 8.1 290 21.4 <0.4 0.092 2
Jun-01-2017 9.9 5.9 182 22.4 63.0 <0.4 0.063
Jun-09-2017 4.5 7.9 127 20.2 32.9 <0.4 0.050
Jun-13-2017 9.4 7.9 98 20.5 27.4 <0.4 0.040
Jun-20-2017 8.2 7.4 115 26.6 23.5 <0.4 0.038
Jun-27-2017 7.4 7.0 78 23.8 35.9 <0.4 0.026 <1.0
Jul-05-2017 7.8 7.9 167 24.4 58.4 <0.4 0.059
Jul-12-2017 7.7 7.4 345 25.8 65.2 <0.4 0.130
Jul-18-2017 10.1 7.8 524 25.9 532.0 <0.4 0.230
Jul-27-2017 9.1 8.0 888 25.0 55.1 <0.4 0.400 4
Aug-01-2017 8.4 8.1 949 26.2 42.3 <0.4 0.340
Aug-08-2017 10.1 8.2 849 25.4 33.8 <0.4 0.300
Aug-15-2017 4.2 8.2 740 25.1 31.0 <0.4 0.310
Aug-24-2017 7.7 612 26.4 <0.4 0.230 3
Sep-01-2017 9.6 7.7 507 25.6 31.0 <0.4 0.170
Sep-08-2017 10.4 8.2 325 23.1 22.6 <0.4 0.110
Sep-15-2017 6.6 266 21.5 19.6 <0.4 0.140
Sep-22-2017 10.9 7.1 220 17.9 18.8 <0.4 0.078
Sep-26-2017
Oct-06-2017 8.4 6.8 185 16.2 18.3 <0.4 0.074
Oct-13-2017 7.6 296 15.6 16.1 <0.4 0.130
Oct-19-2017 14.0 7.8 188 16.9 25.0 <0.4 0.096
Oct-27-2017 6.9 7.4 265 16.8 16.5 <0.4 0.130
Oct-31-2017 12 7.6 524 16.6 43.6 <0.4 0.26 3
Nov-07-2017 15.3 8.0 664 15.1 111.0 <0.4 0.320
Nov-17-2017 10.7 7.1 711 16.1 22.6 <0.4 0.350
Nov-22-2017 12.3 7.1 725 14.2 23.4 <0.4 0.410
Nov-29-2017 0.0 8.0 812 13.1 23.7 <0.4 0.420 4
Dec-07-2017 13.9 7.3 907 9.8 14.9 <0.4 0.470
Dec-15-2017
Dec-21-2017 13.1 7.7 1,024 9.1 14.8 <0.4 0.550
Dec-27-2017 10.3 7.4 1,153 9.8 15.9 <0.4 0.540 5
NOTES:
PARAMETERNitrates as N
(Dissolved)Ammonia as N
Total Kjeldahl
Nitrogen
Total Phosphorous
as P
Ortho-phosphate
as P
DATA SOURCE USBR USBR USBR USBR USBR
UNITS mg/L mg/L mg/L mg/L mg/L
Jan-26-2017 0.65 0.2
Mar-30-2017 0.19 0.082
Apr-26-2017 0.055
May-25-2017 0.34 H,V 0.09
Jun-27-2017 0.13 0.11
Jul-27-2017 2.2 0.14 T
Aug-24-2017 2.5 0.056
Oct-31-2017 1.6 0.094
Nov-29-2017 1.8 0.16
Dec-27-2017 1.6T 0.10
NOTES: TKN, Total P, and Ortho P removed from monitoring program in 2015 GBP WDR
Nutrients
Physicals
Total Selenium Total Boron Total Molybdenum
Table 12. Summary of fathead minnow (Pimephales promelas ) larvae survival
LOCATION Station B Station C Station D Station FDelta Mendota
Canal
Laboratory
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS % % % % % %
Table 13. Summary of fathead minnow (Pimephales promelas) larvae growth in 7-day tests
LOCATION Station B Station C Station D Station FDelta Mendota
Canal
Laboratory
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS mg mg mg mg mg mg
Table 14. Summary of Daphnia magna survival in 7-day tests
LOCATION Station B Station C Station D Station FDelta Mendota
Canal
Laboratory
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS % % % % % %
Table 15. Summary of Daphnia magna reproduction in 7-day tests
LOCATION Station B Station C Station D Station FDelta Mendota
Canal
Laboratory
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS
Table 16. Summary of Selenastrum capricornutum growth in 4-day tests
LOCATION Station B Station C Station D Station FDelta Mendota
Canal
Laboratory
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS 106
cells/mL 106
cells/mL 106
cells/mL 106
cells/mL 106
cells/mL 106
cells/mL
neonates per female
Table 17. Summary of selenium concentrations in grab water samples collected at study stations for use in
laboratory toxicity tests
LOCATION Station B Station C Station D Station FDelta Mendota
Canal
DATA SOURCE SLDMWA/USBR SLDMWA/USBR SLDMWA/USBR SLDMWA/USBR SLDMWA/USBR
UNITS µg/L µg/L µg/L µg/L µg/L
Table 18. Summary of total suspended solids concentrations in grab water samples collected at study
stations for use in laboratory toxicity tests
LOCATION Station B Station C Station D Station FDelta Mendota
Canal
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS mg/L mg/L mg/L mg/L mg/L
Table 19. New WDR Summary of fathead minnow (Pimephales promelas ) larvae survival
LOCATION Station B3 Station D Station F Station RLab Water
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS % % % % %
January-17 N/A 100% N/A N/A 100%
February-17 N/A 98% N/A N/A 100%
March-17 98% 100% 100% N/A 98%
April-17 N/A 98% N/A N/A 100%
May-17 N/A 98% N/A N/A 100%
June-17 100% 100% 100% 100% 100%
July-17 N/A 100% N/A N/A 100%
August-17 N/A 100% N/A N/A 100%
September-17 100% 100% 98% 100% 100%
October-17 N/A 100% N/A N/A 100%
November-17 100% 100% 100% 100% 100%
December-17 N/A 100% N/A N/A N/A
Table 20. New WDR Summary of Daphnia magna survival in 7-day tests
LOCATION Station B3 Station D Station F Station RLab Water
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS % % % % %
January-17 N/A 100% N/A N/A 100%
February-17 N/A 100% N/A N/A 100%
March-17 100% 100% 100% N/A 100%
April-17 N/A 100% N/A N/A 100%
May-17 N/A 100% N/A N/A 100%
June-17 100% 100% 100% 100% 100%
July-17 N/A 100% N/A N/A 100%
August-17 N/A 100% N/A N/A 100%
September-17 100% 100% 100% 100% 100%
October-17 N/A 95% N/A N/A 95%
November-17 100% 90% 80% 95% 100%
December-17 N/A 100% N/A N/A 95%
Table 21. New WDR Summary of Selenastrum capricornutum growth in 4-day tests
LOCATION Station B3 Station D Station F Station RLab Water
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS cells/mL x 106
cells/mL x 106
cells/mL x 106
cells/mL x 106
cells/mL x 106
January-17 N/A 7.29 N/A N/A 2.77
February-17 N/A 7.52 N/A N/A 2.97
March-17 5.09 7.11 7.04 N/A 2.54
May-17 N/A 5.86 N/A N/A 2.64
April-17 N/A 5.92 N/A N/A 2.13
June-17 3.94 5.03 4.94 4.74 2.77
July-17 N/A 4.93 N/A N/A 2.57
August-17 N/A 5.25 N/A N/A 2.86
September-17 4.22 5.98 5.27 5.26 2.52
October-17 N/A 6.02 N/A N/A 2.32
November-17 4.09 6.01 5.10 5.08 2.43
December-17 N/A 5.78 N/A N/A 2.81
Table 21b. Summary of Hyalella azteca survival in sediment
LOCATION Station B3 Station C Station D Station F Station RLaboratory
Control
DATA SOURCE SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA SLDMWA
UNITS % % % % % %
March-17 N/A N/A 100% N/A N/A 100%
September-17 N/A N/A 98% N/A N/A 99%
Table 22. Explanations of footnotes and agency abbreviations.
CVRWQCB California Regional Water Quality Control Board, Central Valley Region
SLDMWA San Luis & Delta-Mendota Water Authority
USBR U.S. Bureau of Reclamation
USGS U.S. Geological Survey
NA Not applicable
< Less than MDL
D Sample was dechlorinated
H Result may have high bias
J Result is between the MDL and RL
L Result may have low bias,
MDL Minimum detection level
Not analyzed,not required, equipment error, data will not be available in the future
P Pending, data not available at this time but will be available in the future
T Result obtained past the holding time
U Result determined to be an outlier at the time of data validation
V Result may vary excessively from the true value
UA3 Use Agreement for Continued Use of the San Luis Drain January 2010 - December 2019
* Significantly reduced from Delta Mendota Canal (p<0.05)
** Sample re-analyzed and result confirmed.
L Result may be biased low. Sample was not preserved in the field
† DMC water failed to meet the survival (>80%) acceptability criteria.
††† DMC water failed to meet the reproduction (>10 neonates/adult) acceptability criteria.
†††† DMC water failed to meet minimum growth (106cell/mL) acceptability criteria.
‡ Control value exceeds suggested maximum variance (20%) acceptability criteria.
‡‡ Fungal growth observed on test organisms.
‡‡‡ Failed cell density requirement of 1E6 cells.
# New testing laboratory with reporting limit of 0.4 µg/L as of June 1998.
v Based on definitive bioassay, NOEC is 50 percent
Water Quality Monitoring
Agency
Toxicity