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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SENECA II MINE NPDES NATER pUALITV STATISTICS REPORT
SAMPLE POINT: NPDES 004 (OA00041
LOCATION: SN87N12DCC
SUBAREA: FISH CREEK
N0. OF
N0. OF CENSORED
OBSERVATIONS DBSERVATIONS M EAN ST. OEV. MIN MAX
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CMI 52 0 3320 .58 224. 52 2540.00 3630.00
PH !UNITS) 52 0 7 .75 7.34 8.45
MATER TEMPERATURE IDEG Cl 52 0 10 .01 7. 45 0.80 20.90
FLON (CFSI 52 0 0. 189 0.250 0.053 1.364
LABORATORY PARAMETERS
ACIDITY, DISS. (MG/L OF CACO3) 3 0 0 .00 0. 00 0.00 0.00
ALKALINITY, DISS. (MG/L OF CACO3) 3 0 287 .33 82. 37 196.00 356.00
ALUMINUM, TOTAL RECOVERABLE IMG/L) 3 3 < 0.05 < 0.05
ARSENIC, TOTAL RECOVERABLE IUG/LI 3 1 < 1.00 2.00
BARIUM, TOTAL RECOVERABLE (UG/L) 3 0 26 .67 5. 77 20.00 30.00
BICARBONATE, DISS. lMG/Ll 3 0 345 .31 100. 74 224.00 434.00
BORON, DISS. IUG/L1 3 0 233 .33 11. 55 220.00 240.00
CADMIUM, TOTAL RECOVERABLE lUG/L) 3 3 < 0.10 < 0.10
CALCIUM, DISS. IMG/L7 3 0 400 .00 6. 24 391.00 405.00
CARBONATE, DISS. (NG/L)
~ 3 0 2 .33 4. 04 0.00 7.00
['+9 CHLORIDE, DISS. (MG/L) 3 0 27 .33 2. 08 25.00 29.00
1 CHROMIUM, TOTAL RECOVERABLE lUG/L] 3 3 < 10.00 < 10
00
W CONDUCTIVITY a 25 DEG C (UMHOS/CM) 3 0 3256 .67 205. 26 3030.00 .
1430.00
COPPER, TOTAL RECOVERABLE IUG/LI 3 2 < 10,00 10.00
FLUORIDE, DISS. (HG/L) 3 0 0 .20 0. 00 0.20 0.20
HARDNESS AS CACO3 (MG/L) i 0 2097 .67 150. 21 1932.00 2225.00
IRON, TOTAL (MG/L7 12 2 < 0.02 0.60
IRON, DISS. IHG/L) 3 2 < 0.02 0.06
LEAD, TOTAL RECOVERABLE (UG/LI 3 3' < 1.00 < 1.00
MAGNESIUM, DISS. (MG/LI 3 0 267 .67 38. 89 226.00 301.00
MANGANESE, TOTAL (MG/LI 3 0 0 .04 0. 05 0.01 0.10
MANGANESE, DISS. (MG/LI 3 0 0 .04 0. 05 0.01 0.10
MERCURY, TOTAL RECOVERABLE (UG/L) 3 2 < 0.10 0.10
MOLYBDENUM, TOTAL RECOVERABLE (UG/L) 3 2 < 1.00 1.00
NICKEL, TOTAL RECOVERABLE IUG/L7 3 3 < 10.00 < 20.00
NITROGEN, AMMONIA, DISS. IMG/L) 3 0 0 .21 0. 05 0.16 0.26
NITROGEN, NITRATE, DISS. lMC/LI 3 1 < 0.02 4.37
NITROGEN, NITRITE, DISS. IMG/L) i 0 0 .03 0. 02 0.01 0.05
PH .1 25 DEG C 52 0 7 .77 7.34 8.45
PHOSPHATE AS PO4, DISS. IMG/L) 3 2 < 0.10 0.10
POTASSIUM, DISS. (MG/L) 3 0 8 .00 0. 00 8.00 8.00
SELENIUM, TOTAL RECOVERABLE IUG/LI 3 3 < 1.00 < 1.00
SILVER, TOTAL RECOVERABLE (UG/L7 i 3 < 0.50 < 0.50
SODIUM, DISS. IMG/L) 3~ 0 151 .67 22. 03 129.00 173.00
SAR 3 0 1 .46 0. 20 1.23 1.61
SULFATE, DISS. (MG/LI 3 0 2015 .33 244. 66 1815.00 2288.00
SULFIDE, TOTAL IMG/L7 3 1 < 0.01 0.60
SUSPENDED SOLIDS IMG/L) 12 3 < 2.00 14.00
ZINC, TOTAL RECOVERABLE IMG/L) 3 1 < 0.01 0.02
CATION/ANION BALANCE f%) 3 0 0 .00 0. 81 -0.49 0.93
TOTAL DISSOLVED SOLIDS a 100 OEG IMG/Ll 12 0 3134 .50 307 .09 2088.00 3482.00
TOTAL DISSOLVED SOLIDS, CALCULATED IMG/L) 3 0 3036 .00 243. 58 2838.00 3308.00