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2009-02-26_REPORT - C1982057 (10)
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2009-02-26_REPORT - C1982057 (10)
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Last modified
8/24/2016 3:43:54 PM
Creation date
2/26/2009 3:33:54 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
REPORT
Doc Date
2/26/2009
Doc Name
2008 Annual Hydrology Report
From
Seneca Coal Company
To
DRMS
Annual Report Year
2008
Permit Index Doc Type
Hydrology Report
Email Name
DTM
Media Type
D
Archive
No
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0 2002 0.006 cfs <br />2001 0.015 cfs " <br />2000 0.051 cfs " <br />This year's average flow value is over eight times the historic average <br />flow value, 0.041 cfs. This year, flow was continuous. The TDS plot <br />indicates a stable trend. Baseline data from Site WSSC1 has been <br />provided in Appendix E1. <br />- NPDES 009 (NPDES9). This site is located on the northern Sage Creek <br />tributary and was constructed in October 1991. This site first <br />discharged on April 16, 1996. The water year average flow values since <br /> this pond began to discharge are: <br /> 2008 0.138 cfs (monthly measurements) <br /> 2007 0.000 cfs (monthly measurements) <br /> 2006 0.048 cfs (monthly measurements) <br /> 2005 0.000 cfs (monthly measurements) <br /> 2004 0.000 cfs (monthly measurements) <br /> 2003 0.000 cfs (monthly measurements) <br /> 2002 0.000 cfs " <br /> 2001 0.000 cfs " <br /> 2000 0.000 cfs " <br /> 1999 0.005 cfs (weekly measurements) <br /> 1998 0.165 cfs " <br /> 1997 0.095 cfs " <br /> 1996 0.065 cfs " <br /> Flow was observed at this site during the months of May through August <br /> of this year. This year's average flow value is over twice the historic <br /> average flow value, 0.057 cfs. Review of this site's TDS plot indicates <br /> a decreasing trend. Baseli ne da ta for this site (WSS3) has been provided <br /> in Appendix E1. <br /> - Surface Water Site SW-S2W-FG4 (WSSF3). This site is situated on Sage <br /> Creek downstream of the impacts from the Seneca II-W Mine (NPDES 009 and <br /> 015). Monitoring of this site commenced in September 1990. This site <br /> recently displays a stable TDS trend (SF = 0.5). Baseline data for this <br /> site has been provided in Appendix E1. <br />17
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