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 Alb WCMW-02 Water chemistry summary statistics
Station Identification: WCMW-02
Location: Wilson Creek
Station type: Groundwater
Period of Record Start: March 10, 1992
Period of Record End: January 22, 2008
E Carbonate ion (as CaCO3) mg/1 56 56 <10 <5 4 ID

Parameters
Units Number of
analytes Number of
nondetected values Maximum
value Minimum
value
Average Standard
deviation
Field Parameters
Water Level R bgl 85 0 48.18 24.42 36.50 5.39
Water Temp, C C 88 3 17.8 6.9 10.2 2.3
Conductivity µmhos 83 0 1547.00 217.00 845.51 386.70
pH su 85 0 7.9 6.0 7.3 0.3
Dissolved Oxygen mg/l 76 0 67.40 0.60 8.61 10.67
General Parameters
Total Dissolved Solids mg/l 76 0 1442 130 624 366
Acidity mg/l 79 75 26.0 <1 4.4 3.0
Alkalinity as CaCO3 mg/1 46 0 60 33 41 7
Ammonia mg/1 83 82 <0.2 <0.05 0.04 0.03
Hardness mg/l 81 0 858 78 398 203
Total Suspended Solids mg/l 81 72 525 <3 17 65
Special Parameters
CN, Free mg/l 84 79 0.12 <0.01 0.02 0.02
WAD CN mg/I 84 34 0.19 <0.005 0.02 0.03
Major Anions
Bicarbonate ion (as CaCO3) mg/1 58 0 73 39 53 6

Chloride mg/1 82 1 475.00 <3 112.09 114.81
Fluoride mg/1 83 1 2.00 <0.5 1.05 0.27
Nitrate mg/I 84 0 7.99 0.53 5.15 1.78
Sulfate mg/l 82 0 464.00 28.00 202.81 98.05
Major Cations
Calcium mg/1 81 0 253.00 22.00 111.78 57.97
Magnesium mg/1 79 0 55.00 5.60 28.78 14.88
Potassium mg/1 79 0 3.58 0.60 1.44 0.54
Sodium mg/1 79 0 26.10 6.30 15.07 5.03
Trace Metals
Arsenic, (dissolved) mg/1 34 34 <0.005 <0.005 0.003 ID
Cadmium, (dissolved) mg/l 84 82 <0.005 <0.0001 0.001 0.0005
Chromium, (dissolved) mg/1 84 78 <0.005 <0.001 0.001 0.001
Copper, (dissolved) mg/1 84 79 0.037 <0.0005 0.003 0.005
Iron, (dissolved) mg/l 84 12 0.34 <0.01 0.08 0.06
Lead, (dissolved) mg/l 84 84 <0.005 <0.001 0.0010 ID
Manganese, (dissolved) mg/1 84 40 0.48 <0.01 0.06 0.07
Mercury, (dissolved) mg/I 11 11 <0.0002 <0.0001 0.0001 ID
Nickel, (dissolved) mg/I 84 75 <0.05 <0.005 0.004 0.003
Selenium, (dissolved) mg/l 83 67 <0.025 <0.005 0.0036 0.0025
Silver, (dissolved) mg/1 83 81 <0.005 <0.0001 0.001 0.0004
Zinc, (dissolved) mg/I 84 68 0.12 <0.005 0.02 0.01
NA: Not analyzed
ID: Insufficient data
Nondetects set to %2 detection limit for calculations