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 A2 CC-02 Water chemistry summary statistics
Station Identification:
Location
Station Type:
Period of Record Start:
Period of Record End:
•
0002
Cripple Creek
Surface Water
February 5, 1996
December 14, 2006
Number of Maximum Minimum
Average Standard
Parameters Units Number of analytes
nondetected values
value
value deviation
Field Parameters
48
0
1901.40
17.04
406.01
343.12
Flow gpm 92 3 24.1 <0 10.7 7.1
Water Temperature C 88 0 1323.00 65.00 719.58 223.14
Conductivity µmhos 0 0
9 3.9 8.0 0.7
pH
Dissolved Oxygen su
mg/t 92
85 0 .
16.70 0.30 8.35 2.33
General Parameters
0
800
194
439
130
Total Dissolved Solids mg/1 74
Acidity mg/1 65 63 124.0 <0 5.8 15.0
Alkalinity as CaCO3 mg/I 25 0 219 35 Ito 44
Ammonia mg/I 75 59 1.55 <0.05 0.08 0.20
Hardness mg/1 75 0 366.00 31.30 154.50 87.09
Total Suspended Solid mg/1 75 20 713.00 <10 38.49 94.67
Special Parameters
74
73
<0.05
<0.01
0.01
0.01
CN, Free
WAD CN mg/I
mg/1 74 73 0.01 <0.005 0.005 0.001
Major Anions
l
169
<10
95
42
Bicarbonate ion (as Ca mg/I 60
Carbonate ion (as CaC mg/1 59 55 <50 <1 5 3
Chloride mg/I 75 0 195.00 19.00 66.86 41.81
Fluoride mg/I 75 0 4.59 1.43 2.57 0.46
Nitrate mg/I 74 0 18.80 3.94 11.76 3.43
Sulfate mg/1 75 1 446.00 <10 112.85 87.15
Major Cations
94
70
00
10
46
65
24.51
Calcium mg/I 74 0 . . .
Magnesium mg/I 74 0 31.50 1.95 9.60 6.33
Potassium mg/I 64 0 12.20 4.36 7.80 1.51
Sodium mg/I 64 0 144.00 6.42 79.19 25.45
Trace Metals
Arsenic, (total recover mg/1 75 72 0.025 <0.005 0.003 0.003
Cadmium, (dissolved) mg11 75 50 0.010 <0.0001 0.001 0.002
Chromium, (total reco mg/1 15 14 0.001 <0.001 0.001 0.0001
Copper, (dissolved) mg/I 75 l 0.260 <0.005 0.015 0.030
Iron, (dissolved) mg/1 75 52 1.54 <0.01 0.07 0.20
Iron, (total recoverable mg/I 75 0 25.10 0.08 1.23 3.38
Lead, (dissolved) mg/I 75 65 <0.01 <0.001 0.0009 0.0008
Manganese, (dissolved mg/1 75 6 18.00 0.02 2.47 3.63
Mercury, (total) mg/I 75 73 <0.001 <0.0001 0.0001 0.0001
Nickel, (dissolved) mg/I 75 34 0.09 <0.005 0.01 0.02
Selenium, (dissolved) mg/I 75 74 0.0050 <0.005 0.0025 0.0003
Silver, (dissolved) mg/1 75 73 <0.007 <0.0005 0.001 0.0004
Zinc, (dissolved) mg/t 75 29 1.80 0.02 0.13 0.27
NA: Not analyzed
ID: Insufficient data
Nondetects set to %2 detection limit for calculations
0