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2009-02-26_REPORT - C1980005 (7)
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2009-02-26_REPORT - C1980005 (7)
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Last modified
8/24/2016 3:43:54 PM
Creation date
2/26/2009 3:17:28 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980005
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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2001 = 0.147 cfs " • <br />2000 = 0.147 cfs " <br />1999 = 0.240 cfs (monthly measurements winter, <br /> weekly rest of year) <br />1998 = 0.468 cfs " <br />1997 = 0.506 cfs " <br />1996 = 0.609 cfs " <br />1995 = 0.357 cfs " <br />1994 = 0.121 cfs " <br />1993 = 0.360 cfs " <br />1992 = 0.131 cfs (weekly measurements all year) <br />1991 = 0.189 cfs " <br />1990 = 0.135 cfs " <br />1989 = 0.214 cfs " <br />1988 = 0.180 cfs " <br />1987 = 0.110 cfs <br />1986 = 0.294 cfs <br />1985CY (Calendar Year) = 0.357 cfs <br />1984CY = 0.447 cfs " <br />1983CY = 0.154 cfs (reservoir did not completely <br /> fill until March 7, 1983) <br />This year's average flow value, 0.196 cfs, is 23% below the historic <br />(1983-2008) average flow value, 0.253 cfs. Flow values from the 004 <br />Pond have been affected by the reduced diameter of the discharge culvert <br />modified on May 29, 1987 (36 inches to 6 inches). In August 2005, the <br />discharge culvert was replaced with an 8 inch diameter plastic culvert <br />set approximately one foot above the previous elevation. Review of the <br />TDS plot (SF 0.5) indicates a recently stable trend. <br />- Surface Water Site SW-S2-10 (SSC10). This site monitors Cow Camp <br />Creek at its confluence with Fish Creek. It is monitored May through <br />July on a monthly basis. This year, no flow was observed at this site <br />in July, although NPDES 004 upstream was flowing continuously. This <br />reduction in flow is due to stream channel infiltration, <br />10
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