2008-06-27_REPORT - C1981012

• Permit No: C1981012
• IBM Index Class Name: REPORT
• Doc Date: 6/27/2008
• Doc Name: 2007 Annual Hydrology Report
• From: Peak Project Management, LLC
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: KAG
• Media Type: D
• Archive: No

TABLE B-1***PRS-1 Purgatoire River Above Mine Site Summary of Water Quality Data
•
Parameters Date 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
Staff Gauge, Mean feet 0.35 0.25 0.31 0.27 0.38
Flow, Mean cfe 52.7 25.3 28 22.62 23.31 17.43 23.35 264.86 245.33 12.57 8.117
Flow, Minimum cfs 5.9 5.5 7.2 5.3 3.2 17.3 9.12 8.8 30.2 6.8 7.6
Flow Maximum cfs 52.7 81.7 122 63.97 116.2 17.6 59.2 1120 720 19.2 8.8
pH Mean (field) atanderd 7.6 7.4 7.4 7.66 8.12 8.12 8.23 7.89 7.66 8.2 8.56 8.34 8.15 8
pH, Minimum (field) standard 7 7.2 6.3 7.3 6.4 6.9 7.3 6.9 7.2 7.4 7.85 7.31 7.4 8
H Maximum field standard 8.1 8.3 8.2 8 8.8 9.2 9.5 8.4 8.2 9 8.95 8.85 8.55 8
H Lab standard 8 8 8
Conductivity, Mean umhos/cm 261 282 264 345 315 355.13 268.83 206.33 334.3 237.82 311 192.2 276 213.9
Conductivity, Minimum umhos/cm 109 160 143 179 229 411 179 152 195 123 108 100 160 118
Conductivity, Maximum umhos/cm 360 350 353 467 599 420 239 955 380 859 372 433 320
Temperature, Mean °c 8.1 7.5 7.5 6.9 9.15 10.1 12.4 12 9.8 9.02 11.32 13.29 7.9 8.37
Temperature, Minimum °c 0.1 0.6 1.8 0 0.3 0.6 0.7 5.8 1.67 3.44 4 6.5 0.2 0.8
Temperature, Maximum °c 17.9 17.9 15.9 19.3 18.2 22.5 24.2 21.1 20.6 14.17 17.9 18.9 15 19.9
Dissolved Oxygen m 9.38 9.8 10.6 10.8 9.55 7.03 7.83 8.5
Iron (total) mg/1 0.11 0.11 0.23 0.13 0.15 0.11 0.59 0.12 0.39
Iron (total recoverable) mg/1 0.03
Iron dissolved M g/1 10
TSS mg/1 25 11 4 2 4 10 6 8 2.5 2.5 5 5 190
TDS @ 180C mg/1 203 207 180 228 172 177 190 236 180 170 210 150 150 203
TDS (calculated) mg/1 162 149
TCS M g/1 30 15 18 14 51 10 62 5 30 66
Carbonate mgrl <1 <1 <1 0.5 0.5 1 3 0.5 2.5 0.5 3 <2 <2
Bicarbonate m 1 169 153 159 172 154 141 146 176 170 140 140 121 118 134
Manganese mg/1 0.08 <.01 0.01 0.01 0.02 0.01 0.04 0.03 7.1 0.0125 0.03 0.06 0.032
Manganese (total) mg/1 0.038
Manganese dissolved M g/1 0.008
Sodium mg/1 7.9 8.3 7.1 8.7 7.5 6.6 7 9 5.7 6 7.4 6.6 6.1
Sodium dissolved M g/1
Chloride mg/1 3.5 1.2 1.1 6 1.6 1.2 1.6 1.9 2.26 2 2 2 1 1
Sulfate M g/1 43 48 39 44 34 31 44 42 32 26 30 23 20 50
Calcium mg/1 50 46 44 51 46 43 47 55.1 39 42 48 45.6 42.9 51.5
Calcium dissolved M g/1
Magnesium mg/1 9.4 9.3 7..9 10.1 8.9 7.3 8 10.5 7.1 8 9.2 7.8 7.2 10.1
Ma nesium dissolved M g/1
Potassium mg/1 1.21 1.18 0.93 1.01 1.17 0.92 1 1.34 0.7 1 1.1 1.3 1.1 1.5
Potassium dissolved M g/1
Hydroxide mg/1 <.05 0.25 0.5 <1 0.5 0.5 0.5 <2 <2 <2
Fluoride M g/1 0.1 0.2 0.2 0.3 0.4 0.05 0.35 0.25 0.2 0.3 0.2 0.2
Lead mg/1 <.01 <.01 0.005 0.025 0.025 <.05 0.025 0.01 0.03 0.02 0.02 0.001
Lead dissolved M g/1
Selenium mgrs <.01 <.01 0.005 0.05 0.05 <.1 0.05 0.001 0.003 <.001 <.001 <.001
Selenium dissolved M g/1
Mercury Mg/1
SAR standard 0.27 0.29 0.26 0.29 0.27 0.24 0.25 0.29 0.22 0.22 0.24 0.23 0.28
Settleable Solids Mg/1
Zinc Mg/1
Hardness M g/1 146 134 170