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 A10 T-1 Water chemistry summary statistics
•
Station Identification:
Location
Station Type:
Period of Record Start:
Period of Record End:
T-1
North Fork of Wilson Creek
Surface Water
April 15, 1986
November 7, 2007
•
0

Parameters
Units
Number of analytes Number of nondetected

values Maximum

value Minimum

value
Average Standard

deviation
Field Parameters
Flow Urn 27 0 1000.00 0.50 62.78 190.73
Water Temperature C 29 0 22.1 0.1 9.6 6.7
Conductivity µmhos 29 0 1186.00 75.50 195.38 221.93
pH su 29 0 8.3 0.1 7.3 1.4
Dissolved Oxygen mg/1 23 0 11.90 4.30 7.66 1.80
General Parameters
Total Dissolved Solids mg/1 29 0 186 33 100 38
Acidity mg/l 22 22 <10 <1 4.6 ID
Alkalinity as CaC03 mg/1 14 0 53 22 32 9
Ammonia mg/1 28 26 0.23 <0.05 0.05 0.05
Hardness mg/1 24 0 58.40 23.30 43.97 11.91
Total Suspended Solids mg/l 28 16 3800.00 <5 181.39 715.67
Special Parameters
CN, Free mg/1 34 33 <0.05 <0.005 0.01 0.01
WAD CN mg/1 29 29 <0.01 <0.005 0.004 ID
Major Anions
Bicarbonate ion (as CaC03) mg/1 23 0 72 25 44 14
Carbonate ion (as CaC03) mg/l 23 23 <10 <5 4 ID
Chloride mg/l 28 7 12.00 <0.5 2.74 2.73
Fluoride mg/1 29 1 1.76 <0.05 0.91 0.31
Nitrate mg/1 29 23 0.22 <0.05 0.05 0.05
Sulfate mg/1 35 5 160.00 <10 34.95 34.61
Major Cations
Calcium m9/1 27 0 24.00 6.90 14.10 4.19
Magnesium mg/l 26 0 4.50 1.29 2.57 0.77
Potassium mg/l 24 1 7.90 <0.5 1.53 1.53
Sodium mg/1 24 0 13.00 3.00 8.08 2.20
Trace Metals
Arsenic, (total recoverable) mg/1 25 23 0.022 <0.001 0.003 0.004
Cadmium, (dissolved) mg/1 29 29 <0.005 <0.0001 0.001 ID
Chromium, (total recoverable) mg/1 8 5 0.030 <0.001 0.006 0.011
Copper, (dissolved) mg/1 29 27 0.015 <0.005 0.003 0.003
Iron, (dissolved) mg/l 29 5 1.58 <0.05 0.17 0.28
Iron, (total recoverable) mg/1 24 0 25.00 0.08 1.64 5.02
Lead, (dissolved) mg/I 29 28 <0.005 <0.001 0.0011 0.0009
Manganese, (dissolved) mg/1 27 14 0.07 0.01 0.03 0.02
Mercury, (total) mg/1 27 25 0.0009 <0.0001 0.0001 0.0002
Nickel, (dissolved) mg/1 29 29 <0.02 <0.005 0.003 ID
Selenium, (dissolved) m9/1 29 29 <0.005 <0.005 0.0025 ID
Silver, (dissolved) mg/1 28 27 <0.001 <0.0001 0.0004 0.0002
Zinc, (dissolved) mg/1 29 24 <0.05 <0.005 0.02 0.01
NA: Not analyzed
ID: Insufficient data
Nondetects set to % detection limit for calculations