REP41447

• Permit No: C1981022
• IBM Index Class Name: Report
• Doc Date: 2/21/1991
• Doc Name: 1990 ANNUAL HYDROLOGY REPORT
• From: SOMERSET MINING CO
• To: MLRD
• Annual Report Year: 1990
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

Surface Water H-1
Sempl Sng Date Data Mar 86 June 86 Sept 88 Dec 88 May 8T June 87 Aug 87 Oct 87
1986, 1987 Print
Parameter Units
Flow (field) cfa 114.00 31.70 0.00 37.90 192.00 11.25 6.74 2.74
pH (field) Standard 7.70 7.40 7.30 8.10 7,80 8.70 8.00 7,40
Conductivity umhoa/cm 267 128 179 290 145 348 319 359
7empeture (field )OC 14.0 11.0 9.0
Alkalinity mg/1 113 54 68 129 56 151 142 164
Aluminum, Diae mg/1 9.76 0.35 1.54 0.46 1.95 7.48 0.00 0.10
Ammonia mg/1 0.05 0.56 0.06 0.17 0.10 0.51 0.88 0.22
Arsenic, Diee. mg/1 0.01 0.00 0.00 0.00 0.01 0.01 0.01 0.01
Barium, Diea. mg/1 0.01 0.04 0.10 0.06 0.06 0.1T 0.22 0.11
Bicarbonate mg/1 150 54 68 153 68 162 176 200
Boron, Dias. mg/1 0.00 0.02 0.01 0.01 0.11 0.10 0.18 0.32
Beryllium, Dlss. mg/1
Cadmium, Dles. mg/1 D.O1 0.01 0.01 0.00 0.01 0.01 0.01 0.01
Calcium, Diss. mg/1 28 14 19 23 t6 30 23 39
Carbonate mg/1 1.00 1.00 1.00 2.30 1.00 11.00 1.00 1.00
Chloride mg/L 4.90 1.00 3.00 0.00 6.70 7.00 9.10 7.00
Chromium, Disa. mg/1 0.01 0.01 0.01 0.00 0.01 0.01 0.01 0.01
Copper, Dlse. mg/1 0.01 0.01 0.01 0.01 0.01 0.01 0.03 0.01
Fluoride mg/1 0.20 0.13 7.30 0.00 0.15 0.07 0.28 0.10
Hardness as CaC0 3mg/1 102 43 72 110 53 131 125 125
Hydroxide mg/1
Iron, Dise. mg/l 0.00 0.00 0.00 0.00 0.00 0.26 0.31 0.01
iron, Total mg/1 0.16 1.51 11.00 0.91 0.42 9.20 7.80 0.41
Lead, Dise. mg/1 0.01 0.02 0.02 D.O1 0.01 D.O1 0.01 0.01
Magnesium, Diss. mg/I 8 2 6 9 5 24 10 10
Hanganese, Diss. mg/1 0.01 0.02 0.01 0.00 0.02 0.34 0.14 0.02
Mercury, Olas. mg/1 0.0003 0.0002 O.OOD2 0.0000 0.0002 0.0002 0.0002 0.0002
Holydbenum mg/1 0.01 0.00 0.05 0.05 0.01 D.02 0.01 0.01
Nickel, Dlea. mg/1 0.05 0.02 0.02 0.00 0.01 0.01 0.01 0.01
Nitrate es N mg/1 0.17 0.02 0.02 0.11 0.14 0.26 0.73 0.22
Nitrite ae N mg/1 0.02 0.02 0.02 0.11 0.03 0.02 0.01 0.02
Nitrate/Nitrite mg/1
Nitrogen, Ammoniamg/I
Oil 4 Crease mg/1
Phosphate, Total mg/1
Phosphorus, DSes .mg/1 0.00 0.06 0.16 0.00 0.03 0.01 0.01 0.01
Phosphorus, Tota lmg/1 O.DO 0.06 0.31 0.00 0.07 0.00 0.00 0.00
Potassium, Dlss. mg/1 3.5 1.0 2.0 1.4 1.0 2.5 2.3 3.1
Selenium mg/1 0.010 0.001 0.001 0.000 0.002 0.002 0.002 0.002
Silica, Dise. mg/1 0.0 0.0 0.0 0.0 O.D 12.5 11.2 12.7
Silver, Diae. mg/1 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.01
Sodium, Dies. mg/1 21 6 10 0 4 28 29 34
Sulfate mg/1 25 4 29 23 5 73 44 18
Su if lde mg/1 0.0 3.0 3.0 0.1 0.1 0.1 0.1 0.1
Solids, Susp, mg/1 150 36 236 40 38 342 166 9
Solids, Dies. mg/1 169 90 114 193 117 263 228 210
Turbidity N7U 0 0 0 0 0 200 200 7
ZSnc, Diss. mg/1 0.19 0.01 0.02 0.00 0.01 0.04 0.16 0.03
SAR in Nester Ratio 0.89 0.36 0.50 0.00 0.21 0.93 1.08 1.48
Cation (Sum) meq 3.03 1.16 1.93 0.00 1.40 4.73 4.21 3.60
Anicn (Sum) meq 3.11 0.99 1.80 0.00 1.42 4.72 4.11 3.85