Dragline in operation along FL 62 nr Ft Green Springs Design of Water Quality Monitoring.
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Transcript of Dragline in operation along FL 62 nr Ft Green Springs Design of Water Quality Monitoring.
![Page 1: Dragline in operation along FL 62 nr Ft Green Springs Design of Water Quality Monitoring.](https://reader036.fdocuments.in/reader036/viewer/2022062314/56649e9f5503460f94ba13e8/html5/thumbnails/1.jpg)
Dragline in operation along FL 62 nr Ft Green Springs
Design of Water Quality Monitoring
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Horse Creek Stewardship Program
Water Quality Monitoring Parameters and Trigger LevelsDunson's suggested
Parameter Reporting Units Trigger Level changes
pH Std Units < 6.0 or > 8.5Dissolved Oxygen mg/l < 5.0Turbidity NTU > 29Color PCU < 25Total Nitrogen mg/l > 3.0Total Ammonia mg/l > 0.3Orthophosphate mg/l > 2.5 Total P > 0.75Chlorophyll-A mg/m^3 > 15Specific Conductance uS/cm > 1,275 >250Total Alkalinity mg/l Ca CO3 > 100Dissolved Calcium mg/l > 100 >20Dissolved Iron mg/l > 0.3, > 1.0Chloride mg/l > 250 Sodium >11Fluoride mg/l > 1.5, > 4.0 >0.5Radium 226 + 228 pCi/L > 5.0Sulfate mg/l > 250 >20Total Dissolved Solids mg/l > 500 >250Petroleum Range Organics mg/l > 5.0Fatty Amido-amines mg/l > 0.2Total Fatty Acids mg/l > 0.5Total Kjehdahl Nitrogen and Nitrate/Nitrite are performed as part of the Total Nitrogen analysis.
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How do you find trends in water quality, without historic data?
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Assessment of Effects of Differing Watershed Land Uses on Water Quality based on Comparisons of Six Stream/River Systems:
1. St. Mary’s River- Control
2. Myakka River-Large Agricultural Impact
3. Horse Creek – Limited Impacts of Agriculture & Mining
4. Payne Creek- Large Phosphate Mining Impact
5. Peace River at Arcadia- Combined Agricultural & Mining Impacts
6. S. Prong Alafia River- 60-70% Mined Basin
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St Mary’s River- controlNo Trends in Water Quality over Time
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Myakka River- Agricultural Pollution:
Increasing sp. cond. & [K]
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Specific Conductance- Myakka River
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Potassium- Myakka River
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95th
75th
50th
25th
5th
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Six Site Comparison of Mean Data for Seven Water Quality Parameters- Mined Watersheds Elevated in:
1. Specific Conductance 6. [F]
2. [Na] 7. [TP]
3. [Ca]
4. [Mg]
5. [SO4]
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Specific Conductance
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Sodium
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Calcium
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Magnesium
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Sulfate
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Fluoride
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Total Phosphorus
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Will such changes in water quality affect the fauna?
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Bishop Harbor Algal Bloom in Response to Piney Pt. Effluent
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Effluent Treatment & Discharge
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Water Quality in Reclaimed Wetland Streams
1. Hall’s Branch
2. Jamerson Jr.
3. Lizard Branch
4. Dogleg
5. Pickle
6. Tadpole
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The Normal Progression by Levels of Approximation in Field Toxicity Testing:
1. TIER 1- Is there toxicity by standard lab. bioassays?
2. TIER 2- Is there toxicity for native species in situ? Are species “missing” that should be present?
3. TIER 3- What is the toxicity due to?
4. TIER 4- What is the source of the toxin(s)?
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Chronic Toxicity in Reclaimed Wetlands (Charlotte Cty. Data: 10/25/03; 3/2/04)
Crustacean FETAX
Site pH Sp. Cond. Repr. Malfor. Growth
Jam. 6.9 106,148 + +
Lizard 7.6 290,296 + +
Pickle 6.8 395,486 + +
Halls 6.8 340,483 +
Dog 7.5 309,328 +
Tadpole 7.2 220,403 +
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WATER CHEMISTRY OF RECLAIMED STREAMS USED FOR BIOASSAYS BY CHARLOTTE COUNTY, Oct. 2003; March 2004
Parameter Dog Hall’s Jamerson Lizard Pickle Tadpol e
pH 7.8 6.7 6.5 8.1 6.7 6.9
7.1 6.9 7.1 7.1 6.9 7.5
Sp Cond, uS/cm 328 483 148 290 486 403
309 340 106 296 395 220
Oxygen, mg/l 6.8 1.5 7.0 12.6 0.8 2.8
8.6 2.1 8.0 7.1 1.2 2.1
Iron, ug/l 325 117,000 583 547 4230 11,300
212 4025 195 352 786 1100
Manganese,ug/l 41 1880 136 71 127 166
22 392 21 30 72 20
Aluminum, ug/l 160 226 391 445 107 669
132 35 101 45 <5 95
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Acute (A) and Chronic (C) Toxicity in Horse Creek Tributaries (IMC- Marinco data;1/21/04)
Site pH Sp. Cond. Ceriodaph. Shiner Fathead
8W 4.4 74 A,C A C
1W 5.1 122 C C
2E 5.6 88 C C
6W 5.9 97 C C
Piez. 7.8 266
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HCSP Needs Changes
• Water quality - re-set trigger levels; add sampling sites
above and below points of discharge and increase number of samples
• Bio-monitoring - use full 3 tier system of bioassays on
field observations, lab tests and in-situ enclosures
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HCSP Needs Changes
• The Bottom Line
- Design rigorous plan for bio-monitoring prior to agreement
- Convene outside panel free from conflicts of interest to design plan and oversee implementation
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A Physical Analogy for the Cumulative Adverse Ecological Impacts of Mining