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2015-03-31_REPORT - C1982057
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2015-03-31_REPORT - C1982057
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Last modified
3/29/2017 10:16:09 AM
Creation date
4/1/2015 8:56:38 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Report
Doc Date
3/31/2015
From
Seneca Coal Company, LLC
To
DRMS
Annual Report Year
2014
Permit Index Doc Type
Hydrology Report
Email Name
JHB
MPB
Media Type
D
Archive
No
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1999 <br />0.057 <br />cfs <br />(weekly measurements) <br />1998 <br />0.110 <br />cfs <br />" <br />1997 <br />0.033 <br />cfs <br />was completed in <br />1996 <br />0.015 <br />cfs <br />in <br />1995 <br />0.015 <br />cfs <br />" <br />1994 <br />no flow <br />(very low snowpack runoff this year) <br />1993 <br />0.114 <br />cfs <br />(pond was dewatered to repair a leaking <br />cfs <br />(monthly <br />measurements) <br />dewatering line) <br />This year's average flow value is 25% below the historic (1993 -2012) <br />average flow value, 0.044 cfs. The timing of when flow values are <br />collected affects these averages. This year, flow was observed March <br />through June only. Review of this site's TDS plot indicates a recently <br />stable trend; the peak TDS occurred in March 1998. Baseline data for <br />this site (WSD8) has been provided in Appendix El of the 2010 AHR. <br />- Surface Water Site SW- S2W -SG5 (WSD5). This site is located on Dry <br />Creek and is the furthest downstream surface water site for this side of <br />Seneca II -W. Monitoring at this site began in March 1983. The TDS plot <br />indicates an increasing trend. The peak TDS value occurred in October <br />2012. <br />Sage Creek <br />- NPDES 015 (NPDESI5). <br />This site is <br />located on the southern Sage Creek <br />tributary <br />in the II -W <br />South area. It <br />is now monitored <br />monthly, except <br />when inaccessible <br />by truck. <br />Pond 015 <br />was completed in <br />late August 1999 <br />and began <br />to discharge <br />in <br />February <br />2000. Average flow <br />values for each <br />water year <br />are: <br />2014 <br />0.027 <br />cfs <br />(monthly <br />measurements) <br />2013 <br />0.040 <br />cfs <br />(monthly <br />measurements) <br />2012 <br />0.011 <br />cfs <br />(monthly <br />measurements) <br />2011 <br />0.300 <br />cfs <br />(monthly <br />measurements) <br />2010 <br />0.069 <br />cfs <br />(monthly <br />measurements) <br />2009 <br />0.064 <br />cfs <br />(monthly <br />measurements) <br />2008 <br />0.350 <br />cfs <br />(monthly <br />measurements) <br />16 <br />
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