REP22253

• Permit No: C1982057
• IBM Index Class Name: Report
• Doc Date: 3/2/1994
• Doc Name: 1993 AHR APPENDIX A FIGURES AND TABLES
• Annual Report Year: 1993
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

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TABLE 11
Historical and Descriptive Summary of
Surface Water Monitoring Sites, Seneca II-W Mine
Date Established/
Site Number Location ]nstr umentation Periods of 0 eration Comments Etc.
Sw-S2W-SG1 Upper Sege Creek at 1979; none associated 08/80-09/82 No flow measurements made due to beaver dam
7,620 ft. elevation obstructions in stream channel. Discontinued
<S N88W25 CDB> in 1982 due to change in mine plan.
SW-52W-SG2 Upper Gla taring Trough 1979; none associated None No data collected. Discontinued in 1982 due
Gulch at 7,260 ft, to change in mine plan.
elevation (SN88N28CAD)
SV-S2w-SG3 Lower tributary of Sage 1979; none associated 07/79-11/83 Access problems in 1984 forced relocation 1/2
Creek at 6,900 ft (high D=VA; low 0= OS-11/84;03-11/8S mile downstream. Discontinued in 1986 due to
elevation (SN881108A) B&S) 03-05/86 change in mine plan.
SU-52W-SG4 Lower Sage Creek at 1979; none associated 11/79-12/85 Discontinued in 1986 due to change in mine
6,820 ft. elevation (O=VA) 03/05/86 plan.
(SN881111 BA8)
D
.~ S1l-S2W-SGS Dry Creek at 6,570 ft. 1983; none associated 03/83-12/85 Limited winter monitoring data.
~ elevation (bN88w34000) {O=VA) 03-11/86;03-12/87 Monthly discharge data.
03-12/88; 03-12/89 Monthly/triennual water quality.
03/90-present
SN-52Y-SG6 In unnamed tributary 1986; none associated 06-11/86;02.12/87 Site provided baseline data for construction
(006 Tributary) to (D=VA) 03-12/88;03-09/89 and operation of Pond 006. Discontinued in
Mubbers on Gulch at 1989 due to construction of Pond 006. Replaced
7,070 ft. elevation by NPDES 006,
(SN88w2288C)
Sw-52W-SG7 Upper Nubberson Gulch 1987; none associated 03-11/87;03-11/88 Limited veinier monitoring data.
at 6,825 ft. elevation (high ~=VA; Lou 0= 03-11/89;03/90-present Monthly discharge dais.
(SN88W16C0A) B&S) Monthly/tri annual water quality.
Sw-52w-SG8 Tributary to Dry Creek 1990; none associated 04/90-07/92 Site to provide data at proposed 005
at 7,170 ft. elevation (high o=VA; Lou Pond. Discontinued 07/92 upon construction
(SN88WtOCDC) 0=685) of Pond 005. Replaced by NPDES 005.