REP13202

• Permit No: C1980005
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1991 AHR APPENDIX E SURFACE WATER QUALITY DATA ABD HYDROGRAPHS
• Annual Report Year: 1991
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

• ~ •
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SENELA II MINE NPDES MATER QUALITY STATISTICS REPORT
SAMPLE POINT: NPDES 003 (DA0003)
LOCATION: 6N87M27CD0
SUBAREA: GRASSY CREEK -~ -
N0. OF
N0. OF CENSORED
OBSERVATIONS OBSERVATIONS MEAN ST. DEV. MIN MA %
FIELD PARAMETERS
CONDUCTIVITY IUMHOS/CM) ~ 50 0 3271.00 292 .43 2630.00 3770 .00
PH (UNITS) 50 0 8.12 7.57 8 .64
HATER TEMPERATURE (DEG CI 50 0 10.20 7 .91 0.40 22 .40
FLOM ICES) 53 0 0.220 0. 199 0.000 0. 711
LABORATORY PARAMETERS
ACIDITY, DISS. (MG/L OF CAC031 3 0 21.67 37 .53 0.00 65 .00
ALKALINITY, DISS. (MG/L OF CAL031 3 0 233.67 34 .96 194.00 260 .00
ALUMINUM, TOTAL RECOVERABLE IHG/LI 3 1 < 0.05 0 .15
ARSENIC, TOTAL RECOVERABLE lUG/L) 3 2 < 1.00 5 .00
BARIUM, TOTAL RECOVERABLE IUG/LI 3 0 53.33 5 .77 50.00 60 .00
BICARBONATE, DISS. IMG/Ll 3 0 271.00 60 .10 203.00 317 .00
BORON, DISS. IUG/L) 3 0 260.00 ~ 72 .11 200.00 340 .00
CADMIUM, TOTAL RECOVERABLE IUG/L) 3 3 < 0.10 ~< 0 .10
CALCIUM, DISS, lMG/LI 3 0 296.00 24 .43 279.00 324 .00
CARBONATE, DISS. (MG/L) 3 0 0.00 0 .00 0.00 0 .00
CHLORIDE, DISS. lHG/Ll 3 0 114.33 30 .92 80.00 140 .00 ~
CHROMIUM, TOTAL RECOVERABLE IUG/L) 3 3 < 10.00 < 10 .00 ~
CONDUCTIVITY D 25 DEG L lUMH05/CHI 3 0 3206.67 525 .58 2770.00 3790 .00 )
W
COPPER, TOTAL RECOVERABLE lUG/L] 3 3 < 10.00 < 10 .00
FLUORIDE, DISS. IMG/L) ~ i 0 0.30 0 .00 0.30 0 .30
HARDNESS AS CACD3 IMG/LI 3 0 1748.67 151 .30 1575.00 1852 .00
IRON, TOTAL IMG/L) 13 0 0.14 0 .10 0.03 0 .39
IRON, DISS. IMG/LI 3 2 < 0.02 0 .02
LEAD, TOTAL RECOVERABLE IUG/L) 3 1 < 1.00 2 .00
MAGNESIUM, DISS. IMC/L) 3 0 246.00 32 .00 214.00 278 .00
MANGANESE, TOTAL IMG/LI 3 0 0.20 0 .12 0.10 0 .34
MANGANESE, DISS. IHG/LI 3 0 0.17 0 .14 0.09 0 .34
MERCURY, TOTAL RECOVERABLE IUG/LI 3 3 < 0.10 < 0 .10
MOLYBDENUM, TOTAL RECOVERABLE IUG/LI 3 1 < 1.00 2 .00
NICKEL, TOTAL RECOVERABLE IUG/LI 3 3 < 20.00 < 20 .00
NITROGEN, AMMONIA, DISS. IMG/Ll ~ 3 0 0.57 0 .40 0.12 0 .90
NITROGEN, NITRATE, DISS. lMG/LI 3 0 1.97 1 .13 1.16 3 .26
NITROGEN, NITRITE, DISS. IMG/L) 3 0 0.06 0 .05 0.02 0 .11
PH a 25 DEC C 50 0 8.11 7.57 0 .64
PHOSPHATE AS P04, DI55. (HG/LI 3 3 < 0.10 < 0 .10
POTASSIUM, DISS. (MG/L1 3 0 9.00 1 .73 8.00 11 .00
SELENIUM, TOTAL RECOVERABLE IUG/L) 3 3 < 1.00 < 1 .00
SILVER, TOTAL RECOVERABLE IUG/L) 3 3 < 0.50 < 0 .50
SODIUM, DISS. IMG/L1 3 0 176.67 12 .01 165.00 189 .00
SAR 3 0 1.86 0 .08 1.80 1 .95
SULFATE, DISS. IMG/LI 3 0 1693.67 ~ 136 .84 1539.00 - 1799 .00 ~` - -
SULFIDE, TOTAL (MG/LI 3 2 < 0.01 0 .11
SUSPENDED SOLIDS IMG/L) 13 1 ~ < 2.00 24 .00
ZINC, TOTAL RECOVERABLE IMG/Ll 3 0 0.05 0 .06 0.01 0 .12
CATION/ANION BALANCE 1%1 3 0 -0.53 0 .46 -0.90 0 .00
TOTAL DISSOLVED SOLIDS a 100 DEG (MG/LI 13 0 2912.00 242 .04 2478.00 3244 .00 ~-
TOTAL DISSOLVED SOLIDS, CALCULATED IMG/L) 3 0 2671.67 211 .07 2428.00 2798 .00