2016-10-17_REPORT - C1982057

• Permit No: C1982057
• IBM Index Class Name: Report
• Doc Date: 10/17/2016
• Doc Name: Annual Hydrology Report
• From: Seneca Coal Company
• To: DRMS
• Annual Report Year: 2015
• Permit Index Doc Type: Hydrology Report
• Email Name: JHB
• Email Name: JRS
• Media Type: D
• Archive: No

TABLE 8
Historical and Descriptive Summary of
Surface Water Monitoring Sites, Seneca IT -W Mine
Site Number Date Established/
(Computer ID) Location Instrumentation Periods of operation Comments, Etc.
SW-S2W-SG1
'Sipper Sage Creek at
1979;
none associated
(YSS1)
7,620 £t. elevation
(Q VA)
(5N88W25CDB)
SW-S2W-SG2
Upper Watering Trough
1979;
none associated
(WSWT2)
Gulch at 7,260 ft.
1987; none
associated
(WSH7)
elevation (5N88W28CAD)
(high (2 --VA;
low Q=
SW-S2W-SG3
North (009) tributary of
1979;
none associated
(WSS3)
Sage Creek at 6,900 ft
(high
Q=VA; low Q=
(WSD8)
elevation (5N8811DBA)
B&S)
low
SW-S2W-SG4
Lower Sage Creek at
1979;
none associated
(WSS4)
6,820 £t. elevation
(Q7 -VA)
associated
(WSH9)
(5N68WllPAB)
SW-S2W--SG3
Dry Creek at 6,570 ft.
1983;
none associated
(WSD5)
elevation (6N88W34CCC)
(Q=VA)
associated
SW-S2W-SG6
Lower (006) tributary
1986; none
associated
(WSH6)
to Hubberson Gulch at
(Q VA)
7,070 ft. elevation
(5N68W228BC)
SW-S2W-SG7
Middle Hubberson Gulch
1987; none
associated
(WSH7)
at 6,825 ft. elevation
(high (2 --VA;
low Q=
(5N68W16CDA)
B&S)
SW-S2W-SG8
005 Tributary to Dry Creek
1990; none
associated
(WSD8)
at 7,170 ft. elevation
(high Q=VA;
low
(5N88W10CDC)
Q7-B&S)
SW-S2W-SG9
Upper Hubberson Gulch
1997; none
associated
(WSH9)
at 7,440 ft. elevation
(5N88W34DBA)
SW-S2W-SG16
Upper (016) tributary of
1997; none
associated
(WSH16)
Hubberson Gulch at
7,450 ft. elevation
(5N88W27DAD)
SW-S2W-SG17
Hubberson Gulch at Pond
1997; none
associated
(WSH17)
017 at 7,390 ft. elev.
(5N88W34ACC)
08/80-09/82 No flow measurements made due to beaver
dam obstructions in stream channel.
Discontinued in 1982.
None No data collected. Discontinued in 1982
due to change in mine plan.
07/79-11/83
05-11/84;03--11/85
03-05/86
11/79-12/85
03/05/86
03/83-12/85
03-11/86;03-12/87
03-12/88; 03-12/89
03/90 -present
06-13./86;02-12/87
03-12/88;03-09/89
03-11/87;03-11/88
03 -11/89;03/90 -present
Access problems in 1964 forced relocation 1/2
mile downstream. Discontinued in 1966.
Baseline site for NPDES 009.
Discontinued in 1986.
Limited winter monitoring data.
Monthly discharge data.
Site provided baseline data for construction
and operation of Pond 006. Discontinued in
1989 due to construction of Pond 006.
Replaced by NPDES 006.
Limited winter monitoring data.
Monthly/triannual discharge data.
04/90-07/92 Site to provide data at proposed 005
Pond. Discontinued 07/92 upon construction
of Pond 005. Replaced by NPDES 005.
8/97 -present Upstream of Ponds 016 and 017
Monitored June and September
8/97-9/2000 Baseline site for Pond 016
8/97-9/2002 Baseline site for Pond 017
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