REP51867

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 2/16/2000
• Doc Name: 1999 ANNUAL HYDROLOGY REPORT PN C-81-071
• Annual Report Year: 1999
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

CYPRUS YAhIPA• LEY COAL CORPORATION: hDNE NO. I, 2, AND ECKh1AN PARK •
1999 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITY DATA
summary oP water quality data-It.brw
Average Sld. Maximum Minimum Units Count Begin End
1 PHYSICAL PROPERTIES TEMPERATURE FIEI-D 12.918 7.1 29.000 0.200 DEGREES C 181 10/83 09/99
2 CONDUCTIVITY FlELD 676.139 178.6 1370.000 80.000 UMHOS/CM 245 09/75 09/99
3 LAB 710.755 222.8 1740.000 391.000 UMHOS/CM 49 IO/86 09/99
4 PH FlELD 8.320 0.8 19.700 7.000 PH 240 09/75 09/99
5 LAB 8:!90 0.3 8.600 7.400 PH IS 10/86 09/99
6 ALKALINfi'Y TOTAL 214.404 46.6 301.000 100.000 MG/L 114 10/75 09/99
7 HARDNESS AS CACO3 307.344 64.1 450.000 148.000 MG/L 128 10/75 09/99
8 SOLIDS SETTLEABLE -0.200 0.0 -0.200 -0.200 ML/L I 06/92 06/92
9 SUSPENDED 203.944 521.0 3390.000 -5.000 MG/L 72 11/83 09/99
10 TOTAL-DISS 460.549 128.9 920.000 240.000 MG/L 51 10/86 09/99
11 OIL&GREASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 16 07/87 07/89
12 CATIONS CALCIUM DISSOLVED 71.292 13.8 103.000 36.000 MG/L 128 10/75 09/99
13 MAGNESIUM DISSOLVED 31.439 7.6 55.000 14.000 MG/L 128 10/75 09/99
14 SODIUM DISSOLVED 29.135 11.9 64.000 II.000 MG/L 77 07/80 09/99
IS POTASSIUM DISSOLVED 3.465 2.0 19.000 1.500 MG/L 79 10/75 02/88
16 SAR NOT APPLICABLE 0.694 0.2 1.322 0.079 UNDEFINED 126 07/80 09/99
I7 ANIONS BICARBONATE AS HCO3 258,963 56.5 370.000 120.000 MG/L 80 10/75 09/99
IS CARBONATE AS CO3 4.585 5.5 18.000 -2.000 MG/L 41 12/75 09/99
19 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 21 04/95 09/99
20 CHLORIDE NOT APPLICABLE 4.636 l.4 R.100 1.100 MG/L 76 10175 02188
21 SULFATE NOT APPLICABLE 145,707 58.1 364.000 39.000 MG/L 123 10/75 09/99
22 PRIMARY CADMIUM TOTAL -0.556 2.4 4.000 ?.000 UG/L 9 03/76 04/81
23 TOTAL RECOV -0.408 0.8 1.000 -5.000 UG/L 51 10/86 09/99
24 MERCURY TOTAL -0.227 0.3 0.500 -0.500 UC/L II 10/75 08/79
25 TOTAL RLCOV -0.082 0.2 1.500 -0.500 UG/L 62 09/75 09/99
26 SELENIUM TOTAL -0.250 1.0 1.000 -1.000 UG/L 8 10/86 07/88
27 TOTAL RECOV -0.628 1.2 5.000 -1.000 UG/L 43 04/89 09/99
28 SECONDARY SILVER TOTAL RECOV -0.524 0.2 -O.IUO -1.000 UG/L 51 10/86 09/99
29 COPPER TOTAL RECOV 57.611 147.4 500.000 -20.000 UG/L IS 09/75 10/87
30 ZINC TOTAL 9.000 33.1 110.000 -20.000 UG/L IS 09/75 07/81
31 TOTAL RECOV 15.000 22.2 70.000 -10.000 UG/L 50 04/87 09/99
32 IRON DISSOLVED 50.785 90.4 620.000 -10.000 UG/L 65 09/75 09/86
33 TOTAL RLCOV 3335.212 7699.8 52000.000 L000 UG/L 99 09/75 09/99
34 MANGANESE DISSOLVED 116.207 114.8 700.000 -10.000 UG/L 58 10/75 04/90
35 TOTAL RECOV 235.764 292.2 2400.000 10.000 UG/L 110 09/75 09/99
36 TRACE METALS BORON DISSOLVED 42.000 12.3 60.000 20.000 UG/L 10 12/85 07/87
37 TOTAL 37.500 12.9 60.000 20.000 UG/L 16 10/83 09/85
38 MOLYBDENUM TOTAL RECOV -19.490 20.6 20.000 -50.000 UG/L 51 10/86 09/99
TABLE 23A SITE: 700 )USGS 09243700, MIDDLE CREEK)