REP45258

• Permit No: C1984062
• IBM Index Class Name: Report
• Doc Date: 4/8/1998
• Doc Name: 1997 ANNUAL HYDROLOGY REPORT
• From: COLO YAMPA COAL CO
• To: DMG
• Annual Report Year: 1997
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

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CYPRUS YAMPA
LEY COAL CORPORATION
1997 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QDALCI'Y DATA ~mnm~ry of wester goWly dW.bnr
Avenge SW. Madmum hthdmum UoHa Co®t Bed Eod
1 PHYSICAL PROPERTIES TEMPERATURE FlELD 9.832 3.8 21.000 2.000 DEGREES C 62 07/83 08/97
2 CONDUCTIVITY FlELD 3187.238 673.4 4400.000 2000.000 UMHOS/CM 62 07/83 08N7
3 LAB 3518.095 473.1 4310.000 2390.000 UMHOS/CM 21 03/87 08/97
4 PH FIELD 7.007 0.3 7.900 6.330 PH 62 07/85 08/97
S LAB 7.330 0.6 7.800 6.900 PH 2 OSN7 OBN7
b ALKALINITY TOTAL 509.739 70.0 644.000 382.000 MG/L 23 10/86 08N7
7 HARDNESS TOTAL 1948.769 728.3 2423.000 1194.000 MG/L 26 07/61 08N7
8 SOWDS DISSOLVED 3723.837 624.3 4206.000 2046.000 MG/L 28 07/65 08N7
9 SUSPENDED 47.000 46.7 76.000 10.000 MG/L 2 03/89 IIN4
10 CATIONS CALCRJAI DISSOLVED 437.300 94.2 778.000 266.000 h1G/L 28 07/83 08N7
11 MAGNESIUM DISSOLVED 213.821 42.0 280.000 129.000 MG/L 28 07/83 OBN7
li SODR1111 DISSOLVED 277.733 68.3 361.000 119.000 MG/L 27 0783 OBN7
13 TOTAL 240.000 0.0 240.000 240.000 A1G/L I 11/94 IIN4
14 SAR NOT APPLICABLE 2.334 0.3 3.392 1.367 LMDEFiNED 46 07/63 08/97
15 ANIONS BICARBONATE AS HC03 537.864 147.6 772.800 217.000 MG/L 28 07/83 08/97
16 CARBONATE AS C03 •1.333 1.0 0.000 -2.000 MG/L 9 06N3 08/97
17 HYDR0~7DE AS OH -2.D00 0.0 -2.000 •2 000 MG/L 6 11/94 OBN7
IB CHLORIDE NOT APPLICABLE 10.400 6.1 21.000 6.000 A1G/L S 07/83 04/86
19 SULFATE NOT APPLICABLE 1790.730 633.9 2600.000 243.000 A1G/L 26 07/83 08/97
30 PRIMARY ARSENIC DISSOLVED -1.000 0.0 •1.000 -1.000 UG/L 7 07/83 01/87
it CADMRIAI DISSOLVED -1.323 7.1 20.000 -20.000 UG/L 26 07/83 08/97
ii TOTAL RECOV -0.400 0.8 0.200 -1.000 UG/L 2 05/89 11/94
2J LEAD DISSOLVED 40.526 91.3 30.000 400.000 UG/L 19 OS/87 OHN7
24 MERCURY DISSOLVED -0.142 0.1 0.300 -0.200 UG/L 26 07/85 08N7
35 TOTAL RECOV -0.130 0.1 •0.100 -0.200 UG/L 2 03/69 IIN4
36 SELENIUM DISSOLVED -2.080 2.9 2.000 -10.000 UG/L 23 07/83 08N7
27 TOTAL RECOV -1.300 0.7 -1.000 -2.000 UG/L 2 03/89 IIN4
28 SILVER DISSOLVED -0.001 0.0 -0.001 -0.001 UG/L I 01/86 01/86
29 TOTAL RECOV -0.530 0.6 -0.100 -1.000 UG/L 2 03/89 IIN4
l0 SECONDARI' ZMC DISSOLVED 77.837 38.2 120.000 40.000 UG/L 7 07/83 01/87
31 TOTAL RECOV 40.000 26.3 60.000 20.000 UG/L 2 05/89 IIN4
32 IRON DISSOLVED 161.600 622.7 7120.000 Ii0.000 UG/L 23 07/85 OSN7
33 TOTAL RECOV 985.000 1011.2 1700.000 270.000 UG/L 2 OS/89 Il/94
74 MANGANESE DISSOLVED 2333.000 1182.8 4100.000 -10.000 UG/L 26 07/83 08/97
35 TOTAL RECOV 3965.000 1039.4 4700.000 1230.000 UG/L 2 05/69 IIN4
36 TRACE h1ETALS MOLYBDEMIAI DISSOLVED 44.444 42.9 -10.000 -200.000 UG/L 18 05/87 08/97
37 TOTAL RECOV -35.000 21.2 -20.000 -50.000 UG/L 2 05/89 IIN4
36 NUTRIENTS NITROGEN M1A1IUA1-TOTAL 0.980 0.6 3.280 0.030 A1G/L 27 07/85 OB/97
TABLE BA SITE: OBSPSA (008•SP-SA)