Fig5-5 PlumeMap UA 1Q17 · 30e-01 1.8/1.9 bgs-48 0.16/nd ex-31 5.5/5.7 ex-32 1.1/1.2 ex-33 4.5/4.4...
Transcript of Fig5-5 PlumeMap UA 1Q17 · 30e-01 1.8/1.9 bgs-48 0.16/nd ex-31 5.5/5.7 ex-32 1.1/1.2 ex-33 4.5/4.4...
!.!.
!.!.
!.
!.
!.!.
!
!
!
!!
!
!!
!.
..
..
.
..
..
MW-184S11.8/2.5
MW-184S34.6/5.3
MW-186S14.6/5.1
MW-186S34/5.4
MW 193S3
MW-194S15.8/5.6
MW-196S22.4/2.4
MW-205S13.1/4
MW-205S34.1/4.4
MW-196S1(3.6/4.6)
?
?
?
?
?
Am
e ri canA
ve
th
Fri
ends
Rd
Am
eric
an A
ve
Sunset Rd
Northern Disputed Plume Area
Northern Disputed Plume Area
Orc
hard
Rd
Bn Ranch Rd
Har
pers
Way
Ha lsted Rd
Hin
kley
Rd
Grass Hopper
Fossil Bed Rd
!.
!.!.
!.
!.!.
!.!.!.
!.
!.!.
!.
!.
!.
!.
!.
!.!.!.
!.
!.!.
!.!.
!>
!>
!>
!>
!>
!>
!>
!>
!>
!>
!>
!>
!>
!
!!
!
!
!
!
!
!
!
!
!
!
!!!
!
!
!
!
!!
!!
!
!.!.
!.!.
!.!.
!.!.
!.!.
!.!.
!.
!.
!.!.
..
..
..
. ..
..
.. ..
.
.
.
..
...
.
..
.
.
.
.
.
..
...
.
..
..
21-030.67/ND
22-211.9/2.1 22-44
1.7/1.7
22-481.5/1.6
22-620.93/ND
22-65ND/ND
22-731.8/2.1 22-75
1.9/2.0
22-80ND/ND
22-810.46/ND
22-820.96/1.2
22-932.8/3.5
23-302.8/3.1
MW-1043.3/
M
MW-123S11.9/2.2
MW-1(0.6
MW-127S21.3/1.6
MW-135S22/3.9
MW-136S13.9/3.9
MW-136S2ND/ND
MW-137S14.4/4.6
MW-137S24.4/4.9
MW-137S38.7/8.6
MW-142S22.9/3.3
MW-154S17/7.3
MW-154S22/2.3
MW-161S23/4
MW-162S13.9/4.3
MW-170S1.7/2.4
MW-172S13/3.3
MW-173S13.3/3.7
MW-174S13.3/3.2
MW-193S14.4/5.1
MW-193S24.7/4.9
MW-193S30.88/1.7
MW-200S10.74/1.1
MW-204S13.1/3.2
MW-204S24.1/4.4
MW-212S13.1/3.2
MW-212S22.9/3.8
MW-631.3/1.2
MW-83D0.66/NDMW-83S
1.9/2
MW-85S1.5/1.9
MW-89S2.3/2.1
MW-111S1(2.4/2.5)
MW-111S2(2.3/2.6)
MW-113S1(2.9/2.9)
MW-113S2(2.5/2.6)
MW-(1
MW-125S1(2.2/2.5)
MW-125S2(1.5/1.6)
MW-126S1(2.4/2.6)
MW-126S2(1.4/1.7)
MW-131S1(2.6.2.6)
MW-175S1(3.1/3.2)
MW-175S2(3/3.5)
MW-127S12.7/3.5
MW-(2
MW-
MW-133S17.3/7.5
MW-62A1.7/2
MW-85ND/ND
MW-89D0.61/ND
The 3.1/3.2-μg/L contour is shown as "- -?- -" where inferred and cannot be fully delineated byFirst Quarter 2017 monitoring data.
?
?
?
?
?
?
?
?
?
Tindall Rd
Alcudia Rd
PlymouthRd
Bla
nca
Rd
Burnt TreeR
d
Pue
blo
Rd
Ser
ra R
d
Pet
ra R
d
Sonoma St
Sal inas Rd
Roy RdHolstead Rd
Fossil Bed RdA
merican
Way
Orc
hard
St
Mou
ntai
n V
iew
Rd
Hin
kley
Rd
Ho lstead Rd
Manacor Rd
"/
!
<
!
<
!
<
"/
!
<
!
<
!
<
!.!.
!.!.
!.!.
!.!.!.
!.
!.
!.!.
!.!.!.
!.!.!.!.
!.
!.!.
!.
!.!.
!.!.
!.!.
!.!.
!.
!.
!.
!>
!>
!
!
!
!
!
!
!
!!
!
!
!
!
!!!
!!!!
!
!!
!!
!!
!!
!
!
!
!!
!!
!
!
!
!
!
!.
!.!.
!.!.
!.
!.!.
/
<
<
<
/
<
<
<
..
..
..
.
...
..
.
..
.
..
...
....
.
..
.
..
..
..
..
.
.
.
..
30E-011.8/1.9
BGS-480.16/ND
EX-315.5/5.7
EX-321.1/1.2
EX-334.5/4.4
EX-352 J/1.8
G-2R1.7/1.5
4S1/3.5
MW-105S2.5/3.1
MW-106S3.1/3.5
117S15/ND)
MW-128S13.8/4.3
MW-128S23.1/3.1MW-128S3
1.7/2.1
MW-206S2.2/4.3
MW-207S17.3/7.3
MW-207S23.1/3.2
MW-68S2.1/2.5
MW-70S1.1/1.9
MW-71S0.81/2.2
MW-72S4.7/4.6
MW-79S6/5.8
MW-80S2.8/2.8
MW-84S1.7/2S
9
MW-94D3.6/3.7
MW-112S(3.2/3.3)
MW-97S5.4/6.9
MW-96S2.6/2.8
117S2.2/1.2)
MW-197S10.58/ND
MW-166S2(ND/ND)
MW-166S1(ND/ND) MW-197S2
(ND/ND)
MW-219S13.2/4
MW-219S20.4/1.4
-124S12.6/2.9)
-124S2(2/2.2)
EX-254.6/4.6
G-1R1.4/1.3
MW-104DND/ND
MW-105DND/ND
MW-106DND/ND
MW-55A0.098/ND
MW-68D2.6/2.5
MW-70D0.93/1.3
MW-71D1.4/2.1
MW-79DND/ND
MW-84D0.09/ND
5DD
G-5R3.4/3.2
Approximate 50-μg/L outline of Cr(VI) or Cr(T) concentrations in the Upper Aquifer, First Quarter 2017 (Dashed where inferred)
?
?
Thompson Rd
Coon
Canyon
Rd
Alcudia Rd
Coon Canyon Rd
Coo
n C
anyo
n R
dB
u rn t
Tre e
Rd
Mountain General Rd
Mountain General Rd
SEENOTE 3
Northern Disputed Plume Area
!.
!.!.
!.
!.
"/
"/
"/
"/"/
"/
!
<
!
<
"/
"/
!
<
!.
!.
!.
!.!.
!.!.
!.
!.!.
!.!.
!.!.
!.!.
!.!. !.!.
!.!.
!.
!.
!.
!.
!.
!.
!.
!.!.
!.
!.
!.
!.
!.
!.
!.
!.!.
!.
!>!>
!>
!>
!>
!>!>
!>!>
!>
!>
!>!>
!>
!>
!>
!>
!>
!>
!>
!
!
!
!!
!
!!
!
!
!!
!
!!
!!
!
!
!
!
!
!
!
!
!
!!
!
!!
!
!!
!
!
!
!
!
!
!
!!
!
!
!!
!
!
!.
!.
!.
!.
@A
@A
@A@A
@A
@A
@A
.
.
.
/
/
/
/)E
/
//
/
<
<
/
/
<
.
.
.
..
..
.
..
..
..
..
.. ..
..
.
.
.
.
.
.
.
..
.
.
.
.
.
.
.
.
.
.
.
.
IN-01
IN-02
IN-03
IN-04
IN-05
IN-06
IN-03R
02-02A0.49/ND
02-02B0.58/ND
02-230.56/ND
27-160.55/ND
27-261.4/1.4
27-420.27/ND
27-431.4/1.5
27-480.5/ND27-491.8/1.9
28-200.69/ND
28-211.3/5.0
28-360.74/2.4
28-373.0/3.3
28-383.1/3.4
28-51ND/ND
28-522.3/2.7
28-663.9/4.0
34-500.94/1.1
34-63ND/ND
34-770.57/ND
SA-MW-01S 74/79
SA-MW-06S 230/250
CA-MW-402S86/89
CA-MW-412D54/54 J
CA-MW-501S5.5/5.1
DW-022/1.7
EX-044.2/4.4
EX-153/2.9
EX-206.8/7
EX-212.7/2.8
EX30/
EX-297.3/7.5
MW-10913/14
MW-118S2.7/3.4
MW-119S2.2/2.8
MW-121S2.2/2.3
MW-155S0.46/1.1
MW-163DND/ND
MW-163S8.6/8.9
MW-164S2.1/2.5
MW-177S0.74/2.4
MW-178S160/190
MW-180RS170/170
MW-182S6.8/7.8
MW
EX-05
EX-16EX-17
MW-203S2.7/3 MW-29
5.7/5.9
MW-371.6/2.1
MW-45A1.5/1.8
MW-540.86/1.2
MW-66A3.7/3.8
MW-74D2.4/3.1
MW
SA-MW-11S340/360
SA-MW-16240/28
SA-MW-1220/2
SA-MW-26S220/250
SA-SM-01S390/420
SA-SM-02S1500/1800
SC-MW-12S310/340
SC-MW-13S120/130
SC-MW400/420
CA-MW-313R220/250
SA-MW-38S88/91
SC-MW-11SR110/110
MW-61R2.6/2.4
MW-159S6.4/6.7
MW-159D6.2/6.4
MW-67B0.59/1
CA-MW-4059
EX-0212/11
EX1.
EX-3015/17EX-36
1.7/1.7
EX-4370/73
EX-4638/38
EX-4725/28
IW18
MW-119D1.5/2
MW-121D3.6/4
MW-153S2/2.3
MW-155DND/ND
MW-164DND/ND
MW-177D1.5/2.7
MW-178D160/180
MW41
MW-180RD150/170
MW-182D4.3/4.6
MW3
MW-203D1.4/5.9
M7
MW-28B6.1/5.9
MW-312.8/2.6
MW-3667/71
MW-38B24/26
MW-1.9/2
MW-73D0.78/1.1
MW-75D0.6/ND
SA-MW-07D720/830
SA-MW-11D22/24
SA-MW-18D69/74
SA-MW-26D0.89/1.1
SC-MW-11DND/ND
EX-44
X1.8
X-1388/88
CA-MW-412D2ND/ND
SA-MW-38D300/330
MW-74D2ND/ND
EX-379.7/10
MW-108D13/13
CA-MW-302D100/110
SC-MW-134.9/6.1
MW-181D0.6/ND
MW-181S0.73/1.2
Approximate 10-μg/L outline of Cr(VI) or Cr(T) concentrations in the Upper Aquifer, First Quarter 2017
Approximate outline of Cr(VI) or Cr(T) concentrationsin the Upper Aquifer exceeding 3.1 and 3.2 μg/L, respectively, First Quarter 2017.
Alcudia Rd
Front ier Rd
Hop
e S
t
Park Ave
Acacia St
Syc
amor
e S
t
Hid
den
Riv
er R
d
Indi
an W
ells
Rd
Locu
stR
d
Red
Roc
k R
d
Hill
view
Rd
Granada Rd
Willow Springs Rd
Kinski Rd
Flow
erR
d
Ser
ra R
d
Mou
ntai
n V
iew
Rd
Valle
y W
ells
Rd
Hin
kley
Rd
Carson Rd
Aquarius Rd
SEENOTE 3
Riverview Rd
Z:\GISPROJECTS\_ENV\RC000699.0001_PGE_HINKLEY\GIS\GEC\MXD\GMP\1Q17\2017-04-25\FIG5-5_PLUMEMAP_UA_1Q17.MXD 4/25/2017
LEGEND:!. Groundwater Monitoring Well!
<
Agricultural Supply Well!> Domestic Supply Well!+ Other Supply Well "/ Groundwater Extraction Well (Active)")E Multiuse Test Well, or Inactive
Extraction/Injection Well# Inactive In Situ Reactive Zone Injection Well@A Freshwater Injection Well
PG&E-Owned PropertyPG&E Compressor StationCounty ParcelApproximate Limit of Saturated Alluvium Upper Aquifer
! ! ! !
Approximate Location of Lockhart Fault; Fault Trace is Inferred, and There is No Surface Expression (Stamos et al. 2001)Bedrock Exposed at Ground Surface
NOTES:1. Chromium results are shown for Site-wide Groundwater Monitoring Program and domestic wells sampled in t the reporting period, the most recent results are shown.
2. The concentration contours are based on First Quarter 2017 chromium results for the groundwater monitorin Figures 5-1 and 5-2. Results for domestic wells (brown-colored labels) were not used for chromium plume co Control Board's Cleanup and Abatement Order dated November 4, 2015 (Water Board 2015).
3. Pursuant to the Lahonton Regional Water Quality Control Board's Cleanup and Abatement Order dated Nove of the Lockhart Fault and on or east of Dixie Road. Monitoring wells sampled southwest of Lockhart Fault and
4. Chromium plume contours in the general area south of Highway 58, were developed using a larger set of mo the In Situ Reactive Zone and Northwest Freshwater Injection Projects (Arcadis 2017). Select wells from that
WORK CITED:Arcadis. 2017. First Quarter 2017 Monitoring Report for the In Situ Reactive Zone and Northwest Freshwater InCalifornia Regional Water Quality Control Board, Lahontan Region Order No. R6V-2008-0014 (Waste Discharg
Stamos, C.L., P. Martin, T. Nishikawa, and B.F. Cox. 2001. Simulation of Ground-Water Flow in the Mojave RivePrepared in cooperation with the Mojave Water Agency.
Water Board. 2015. Cleanup and Abatement Order No. R6V-2015-0068 Requiring Pacific Gas and Electric Com
Well IDCr(VI)/Cr(T) concentrations in μg/L; maximum of primary and duplicate samples during First Quarter 2017 sampling.Data in parentheses are from previous reporting period. See Table E-1 for sample dates.
MW-177D1.5/2.7
(1.8/2.2)
μg/LCAOCr(VI)Cr(T)JNDNS
Micrograms per LiterCleanup and Abatement OrderHexavalent ChromiumTotal Dissolved ChromiumEstimated ResultNot DetectedNot Sampled
ABBREVIATIONS:
Groundwater Cr(VI) Concentrations in Monitoring Wells:!. More than 1,000 μg/L!. 100 to 1,000 μg/L!. 50 to 100 μg/L
!. 10 to 50 μg/L!. 3.1 to 10 μg/L!. Less than 3.1 μg/L or ND
!.!.
!
<
!
<
!
<
!
<
!.
!.
!.
!.!. !.
!.
"/
"/
"/
"/
"/ "/
"/ "/
"/
"/ "/
"/ "/ "/ "/
"/ "/ "/
!+ !+
!+ !+
!
<
!
<
!.
!.!.
!.
!.!.
!.!.
!.!.!.
!.
!.!.
!.
!.
!.
!.!.
!.!.
!.!.
!.
!.
!.!.
!.!.
!.
!.
!.
!.
!.
!.
!.!.
!.!.
!.!.
!.
!.!.
!.
!.
!.
!.!.!.
!.
!.
!.
!.!.!.
!.
!.!.
!.!.
!.
!.!.
.
!.
!.!.!.
!.
!. !. !.
!. !. !. !.
!.!. !.
!.
!.
!.
!.
!.!.
!.!.
!.
!.!.
!.!.
!.!.
!.!.
!.
!.
!.
!. !.
!.!.
!.!.
!.!.
!.!.
!.!.
!.!.
!.!.
!.!.!.!.!.
!.!.
!.
!.
!.
!.
!.!.
!.
!. !.
!.
!.
")E
")E
!
<
!
<
!>
!>
!>
!>
!>
!
!
!
!
!
! !
! !
!
!
!!
!
!
!
!
!!
!
!!!
!
!
!
!!
!!
!!
!
!!
!
!
!
!
!
!
!!!!
!
!!
!
!
!!!
!
!
!
!
!
!
!
!!
!
!!
!!
!!
!!
!!!!!
!
!
!
!
!
!!
!
!
!
!
!
!
!
!
!
!
!!
!
!
!
!
!
!
!
! !
!
!
!
!!
!
!
!
!
!
!
!
!
!
!
!
!
!
!!
!
!
!
!
!!
!
!
!
!
!
!
!
!
!
!
!
!!
!!
!
! ! !
!
!
!
!
!
!
!
!
!
!
!
!
!!
!
!
!
!.
!.
!.
!.
!
!.
!.
!.
!.
!.
!.
!.
!. !.
!.
!.
!.
!.
!.
!.
!.
!.
!.
!.
!.
!.
!.!.
!.
!.
..
<
<<
<
.
.
. .
.. .
.
/
/
/
/
/ /
/ /
/
/ / /
/ / / /
/ / /
+ +
+ +
<
<
.
..
.
. ..
..
.
.
.
.
..
.
..
.
.
.
..
..
..
.
.
..
..
.
.
.
.
.
.
..
..
..
.
.
..
.
.
.
...
.
.
.
...
.
..
..
.
..
.
.
+
.
...
.
. . .
. . . .
.. .
.
.
.
.
..
..
.
.
.
. .
..
..
..
..
.
..
..
.....
.
.
..
.
.
. .
.
. .
.
)E
.)E
)E
<<
..
..
..
..
..
..
..
..
.
..
..
.
01-01A0.45/ND
25-162.3/2.6
26-65ND/ND
26-66ND/ND
36-411.8/1.8
SA-MW-34S30/30
BW-01S5.1/5.3
C-025.9/5.9
C-032.4/2.3
CA-MW-310S10/11
CA-MW-411S23/24
-2231
FW-021.1/1.1
FW-030.33/ND
FW-040.25/ND
IW-0212/12
IW-035.4/5.5
MW-03A24/26
MW-102S2.0/2.9
MW-110S4.2/4.2
MW-143S3.6/3.8
MW-145S2.5/3.2
MW-166.2/6.3
MW-1793/94
W-183S42/44
CA-MW-317S(3.6/3.8)
MW-07(1.4/1.4)
MW-20ND/ND
MW-208S2100/2400
MW-209S45/46
MW-210S12/12
MW-211S0.68/ND
MW-21A2.9/2.6
MW-27A11/10
MW-32S2.8/3.2
MW-392.8/3.3
MW-41S9.8/10
MW-460.62/ND
MW-49S5.2/5.6
MW-50S15/15
MW-55S1.5/1.8
MW-77S0.72/ND
W-78S1.9/2.2
MW-86S4.6/4.8
MW-87S3.2/3.3
MW-88S5.4/5.1
PMW-05ND/ND
SA-MW-04S360/400
SA-MW-09S25/27
6S80
7S250
SA-MW-25S7.7/8.4
SC-MW-01S0.54/1.5
SC-MW-02S0.66/1.4
SC-MW-03S4.1/4.3
SC-MW-04S0.78/ND
SC-MW-06S1.4/2.2
SC-MW-07S1.6/2.6
SC-MW-10S2/2.3
SC-MW-15S0.68/1.2
SC-MW-16S0.88/1.2W-21S
0
Y-014.8/4.3
Y-035.7/5.3
MW-213S4.4/5.1
MW-214SND/ND
SA-MW-37S12/13
SA-MW-35S3.9/4.2
MW-217S5.1/5.5
MW-216S1.3/1.7
MW-218S1.3/1.8
SA-SM-03SR79/100
MW-33A(1.8/2.2)
X-1045/48
MW-215SND/ND
MW-95S(8.2/8.1)
MW-01770/810
SC-MW-08S2.2/3.1
SC-MW-09S1.8/2.3
BW-01D5.2/5.6
CA-MW-107DND/ND
05D9/62
CA-MW-510D18/19
2
X-238/1.8
EX-278.6/8.6
EX-3422/22
EX-3822/23
EX-39180/210
EX-40410/420
EX-4127/30
EX-42230/240
EX-45390/420
EX-4860/57
EX-49410/450
EX-50200/210 EX-51
8.7/11EX-523.9/4.3
FW-010.99/1
W-018/18
MW-0339/40
MW-102D2.5/2.9
MW-110D1.5/1.9
MW-11B43/44
MW-143D21.5/1.7
MW-179D28/32
W-181/44
W-183D36/40
MW-192D3.2/3.9
MW-21B111/10
MW-23B7/6.6
MW-27B3.9/3.9
MW-32B14.3/4.3
MW-39D32/35
MW-42B215/14
-432.2
MW-49A3.5/3.4
MW-565.9/6.1
PMW-03ND/2.1 J
PT2-MW-10ND/1.4
SA-MW-05D1200/1200
SA-MW-10D550/540
SA-MW-15D85/98
SA-MW-20D1.8/9.3
SA-MW-25D0.76/ND
SA-MW-27D1.6/1.9
SA-SM-08D660/690
SA-SM-11D15/17
SC-MW-01D1.1/2.7
SC-MW-02D180/190
SC-MW-03D290/310
SC-MW-04D1/1.2
SC-MW-05D1.2/1.9
SC-MW-06D1.2/2.1
SC-MW-07D1.2/1.7
SC-MW-09D2/2.9
SC-MW-10D1.5/1.8
SC-MW-26D800/880
SC-MW-38D48/50
X-046.4/6.8
X-054.6/4.6
X-06100/110
MW-12B(12/12)
MW-13(9.2/8.9)
X-0952/52
X-128/2.3
38
MW-213D0.44/1.2
MW-214DND/ND
SA-MW-37D13/14
SA-MW-34DND/ND
SA-MW-35D2.5/2.7
MW-217DND/ND
MW-216D1.5/1.9
MW-218DND/ND
MW-215DND/1.4
PGE-06(0.52/ND)
3D
C-012.3/2
C-042.3/2.4
MW-42B112/12
MW-14B27/26
MW-17D1.4/1.7
MW-78D1.5/2
MW-22B19/19
MW-49B1.9/1.9
MW-86D1.6/1.8
MW-88D1.1/1.3
MW-04410/440
MW-14A2.9/2.7
MW-179S0.71/2.1
PMW-0290/92
PMW-04ND/2.8
Approximate 1,000-μg/L outlineof Cr(VI) or Cr(T) concentrations in the Upper Aquifer, First Quarter 2017
Fai
rvie
w R
d
Dix
ie R
d
Acacia St
Dix
ie R
d
Highcrest Rd
Community Blvd
Santa Fe Ave
Lenwood Rd
Lenw
ood
Rd
Lenw
ood
Rd
Riv
ervi
ew R
d
UV58
Sum
mer
set
Rd
FIGURE 5-5CHROMIUM RESULTS FOR FIRST QUARTER 2017 GROUNDWATER GROUNDWATER MONITORING AND DOMESTIC WELL SAMPLING AND MAXIMUM COMPOSITE PLUME OUTLINE IN UPPER AQUIFER FIRST QUARTER 2017 GROUNDWATER MONITORING REPORT AND DOMESTIC WELL RESULTSSITE-WIDE GROUNDWATER MONITORING PROGRAM PACIFIC GAS AND ELECTRIC COMPANY HINKLEY COMPRESSOR STATIONHINKLEY, CALIFORNIA
the First Quarter (January through March) 2017 monitoring period. For wells sampled multiple times during
g and extraction wells that are completed in the shallow zone and deep zone of the Upper Aquifer as noted on ontouring, except for those in the northern disputed plume areas, pursuant to the Lahonton Regional Water Quality
ember 4, 2015 (Water Board 2015), groundwater monitoring wells are not used for chromium contouring if they are located in the areas southwestd east of Dixie Road were sampled in support of United States Geological Survey background chromium investigations.
onitoring data which is presented in the April 28, 2017 First Quarter 2017 Monitoring Report fort program are shown here for reference.
njection Projects, Pacific Gas and Electric Company, Hinkley Compressor Station, Hinkley, California, e Requirements Identification No. 6B369107001). April 28.
er Basin, California. U.S. Geological Survey Water-Resources Investigations Report 01-4002, Version 3.
mpany to Cleanup and Abate Waste Discharges of Total and Hexavalent Chromium to the Groundwaters of the Mojave Hydrologic Unit. November 4. 0 1,000 2,000Feet
±