2008-04-15_REVISION - M1980244 ‎(318)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 4/15/2008
• Doc Name: VOL II Appendix 2, Attachment A- Main Project Area Hydrologi Monitoring Data Summaries
• From: CC&V
• To: DRMS
• Type & Sequence: AM9
• Media Type: D
• Archive: No

Table A13 WCSW Water chemistry summary statistics
•
Station Identification:
Location
Station Type:
Period of Record Start:
Period of Record End:
WCSW
Wilson Creek
Surface Water
November 8, 1996
October 15, 2007
11 Chloride mg/1 46 0 25.00 5.50 11.57 4.09
Parameters Units Number of analytes Number of
nondetected values Maximum
value Minimum
value Average Standard
deviation
Field Parameters
Flow gpm 44 2 1275.00 <0 344.29 355.38
Water Temperature C 47 3 19.3 <0.1 7.3 6.1
Conductivity µmhos 46 0 1061.00 126.20 518.55 161.50
pH su 46 0 8.5 6.7 8.0 0.4
Dissolved Oxygen mg/l 45 0 11.50 4.00 8.49 1.47
General Parameters
Total Dissolved Solids mg/l 41 0 418 213 322 55
Acidity mg/1 42 42 <10 <1 4.8 ID
Alkalinity as CaCO3 mg/I 13 0 124 50 81 25
Ammonia mg/1 46 45 <0.2 <0.05 0.03 0.02
Hardness mg/1 46 2 244.24 <0 191.37 47.62
Total Suspended Solids mg/1 46 21 283.00 <5 33.03 56.08
Special Parameters
CN, Free mg/1 45 45 <0.05 <0.01 0.01 ID
WAD CN mg/l 45 45 <0.01 <0.005 0.005 ID
Major Anions
Bicarbonate ion (as CaCO3) mg/l 38 0 148 60 90 18
Carbonate ion (as CaCO3) mg/l. 38 38 <10 <5 5 ID

Fluoride mg/l 46 0 1.18 0.60 1.02 0.12
Nitrate mg/1 46 1 10.20 <0.5 2.58 1.80
Sulfate mg/1 46 0 199.00 97.00 156.48 23.58
Major Cations
Calcium mg/l 46 0 67.80 39.90 55.19 6.53
Magnesium mg/l 46 0 19.90 9.10 15.20 2.32
Potassium mg/l 42 0 5.78 0.57 3.76 0.95
Sodium mg/1 42 0 60.60 13.00 28.41 9.93
Trace Metals
Arsenic, (total recoverable) ML I 32 0.042 <0.005 0.005 0.007
Cadmium, (dissolved) -
mg/1 46 46 <0.001 <0.0001 0.0005 ID
Chromium, (total recoverable) mg/1 8 8 <0.001 <0.001 0.001 ID
Copper, (dissolved) mg/1 46 44 0.008 <0.005 0.003 0.001
Iron, (dissolved) mg/1 45 40 0.20 <0.01 0.04 0.04
Iron, (total recoverable) mg/1 46 3 9.77 0.02 0.88 1.59
Lead, (dissolved) mg/1 46 44 <0.005 <0.001 0.0006 0.0005
Manganese, (dissolved) mg/l 46 25 0.61 <0.005 0.10 0.14
Mercury, (total) mg/l 46 46 <0.001 <0.0001 0.0001 ID
Nickel, (dissolved) mg/1 46 46 <0.01 <0.005 0.003 ID
Selenium, (dissolved) mg/1 46 46 <0.005 <0.005 0.0025 ID
Silver, (dissolved) mg/I 46 46 <0.001 <0.0005 0.0005 ID
Zinc, (dissolved) mg/1 46 45 <0.05 <0.005 0.02 0.003
NA: Not analyzed
ID: Insufficient data
Nondetects set to % detection limit for calculations
0