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 YAMPA VALLEY COAL CORPORATION: MINE NO. 1, 2, AND ECKMAN PARK ~ •
1999 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITY DATA
summary of water yuality data-Il.brw
Average Std. Maximum Minimum Ln115 Count Begin End
1 PHYSICAL PROPERTIES TEMPERATURE FIELD 12.606 6.2 24.000 0.100 DEGREES C 203 04/76 09/99
2 CONDUCTIVITY FIELD 2126.090 871.0 3560.000 210.000 UMHOS/CM 211 03/76 09/99
3 LAB 2075.296 849.5 3410.000 660.000 UMHOS/CM 81 10/80 09/99
4 PH FIELD 8.001 0.4 9.200 6.800 PH 207 03/76 09/99
5 LAB 8.031 0.2 8.260 7.700 PH Ifl II/86 09/99
6 ALKALINITY TOTAL 263.945 72.3 452.000 117.000 MG/L 110 03/76 09/99
7 HARDNESS AS CACO3 1131.127 675.6 2632.000 100.000 MG/L 110 03/76 09/99
8 TOTAL 1020.000 401.5 1300.000 560.000 MG/L 3 12/85 03/86
9 SOLIDS SETTLEABLE -0.200 0.0 -0.200 -(1.200 ML/L I 06/92 06/92
10 SUSPENDED 105.206 219.3 1660.000 -5.000 MG/L 107 03/76 09/99
ll TOTAL-DISS 2462.58.5 713.7 3560.000 721.000 MG/L 53 II/86 09/99
12 OB.&GREASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 6 08/88 09/89
13 CATIONS CALCIUM DISSOLVED 218.929 113.9 477.000 25.000 MG/L 112 03!76 09/99
14 TOTAL RECOV 322.000 0.0 3?2.000 322.000 MG/L I 06/87 06/87
IS MAGNESIUM DISSOLVED 144.958 96.1 351.000 10.000 MG/L 113 03/76 09/99
16 TOTAL RECOV 237.000 0.0 237.000 237.000 MG/L I 06/87 06/87
17 SODIUM DISSOLVED 49.089 21:1 160.000 6.700 MG/L 112 03/76 09/99
IS TOTAL RECOV 44.000 0.0 44.000 44.000 MG/L I 06/87 06/87
19 POTASSIUM DISSOLVED 4.389 1.3 S.g00 2.100 MG/L 66 03/76 04/88
20 SAR NOT APPLICABLE 0.673 0.? 1.918 0.286 UNDEFINED 116 03/76 09/99
21 ANIONS BICARBONATE AS HCO3 323.294 88.6 552.000 143.000 MG/L 64 03/76 09/99
22 CARBONATE AS CO3 -0.367 3.6 12.000 ?.000 MG/L 30 06/92 09/99
23 HYDROXIDE AS OH -2.000 0.0 ?.000 -2.000 MG/L 21 03/95 09/99
24 CHLORIDE NOT APPLICABLE 11.200 9.5 56.000 1.100 MG/L 66 03/76 04/88
25 SULFATE NOT APPLICABLE 964.259 689.4 2305.000 46.000 MG/L 112 03/76 09/99
26 PRIMARY ARSENIC DISSOLVED 1.000 0.8 2.000 -1.000 UG/L II 03/76 OS/83
27 TOTAL 2.214 1.5 5.000 1.000 UG/L 14 04/79 05/83
28 CADMIUM DISSOLVED -0.469 ~ 1.6 2.000 -3.000 UG/L 13 03/76 09/89
29 TOTAL RECOV -0.362 1.0 3.000 -5.000 UG/L 66 04/79 09/99
30 LEAD DISSOLVED 4.647 9.7 40.000 -1.000 UG/L 17 03/76 09/89
31 TOTAL RECOV 7.278 9.3 29.000 -1.000 UG/L 18 01/79 05/83
32 MERCURY DISSOLVED -0.083 0.1 0.100 -0.100 UG/L 12 03/76 09/69
33 TOTAL RECOV -0.109 0.2 0.200 -1.000 UG/L 65 04/79 09/99
34 SELENIUM DISSOLVED 0.000 1.4 2.000 1.000 UG/L 13 03/76 09/89
35 TOTAL 0.364 I.I 2.000 -1.000 UG/L 22 04/79 07/88
36 TOTAL RECOV -1.432 3.0 2.000 -20.000 UG/L 44 06/87 09/99
37 SECONDARY SILVER TOTAL RECOV -0.400 0.7 1.000 -3.000 UG/L 52 II/86 09/99
38 COPPER DISSOLVED 3.250 2.2 8.000 1.000 UG/L 12 03/76 05/83
TABLE 20A SITE: 800 (USGS 09243800, FOIDEL CREEK AT ECKMAN PARK)