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2018-04-05_REPORT - C1982057
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2018-04-05_REPORT - C1982057
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Last modified
4/10/2018 6:33:12 AM
Creation date
4/9/2018 10:54:33 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Report
Doc Date
4/5/2018
Doc Name
Annual Hydrology Report
From
Seneca Coal Company
To
DRMS
Annual Report Year
2017
Permit Index Doc Type
Hydrology Report
Email Name
RAR
Media Type
D
Archive
No
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South area Well WOV25 was drilled in September 2004. It displays a <br />decreasing TDS trend. <br />Wadge Coal. <br />Three wells monitor the Wadge coal seam. North area Well WW14 exhibits <br />an increasing TDS trend. Middle area Well WW17 exhibits a nearly level <br />TDS trend. South area Well WW25 was drilled in September 2004. TDS <br />values at this well increased over the initial years of monitoring and <br />then stabilized. The past few years display a decrease of TDS <br />concentration comparable to initial concentrations from 2004. Overall, <br />Well WW25 continues to exhibit an increasing TDS trend. <br />Sage Creek Tributary Alluvium. <br />One well monitors the Sage Creek Tributary Alluvium. Well WSAL14 <br />displays a decreasing TDS trend from 1990 to 2015. All TDS values have <br />been at or below 600 mg/1. <br />Sage Creek Overburden. <br />This unit exits between the Wadge and Wolf Creek coal seams. Mining of <br />the Sage Creek coal seam began in September 2003. Well WSOV24 was <br />drilled in August 2001 in the II -W South area. Only five samples were <br />collected until this well failed due to a landslide that occurred in <br />April 2003. A replacement well, WSOV25, was drilled in September 2004. <br />TDS values at this well display a stable trend; however, elevated spikes <br />of 1180 mg/l, 1410 mg/1 and 1150 mg/l occurred in 2011, 2016 and 2017 <br />respectively. All other values have been below 800 mg/l. <br />Sage Creek Coal. <br />Mining of the Sage Creek coal seam began in September 2003. Well WSC24 <br />was drilled in August 2001 in the II -W South area. Only five samples <br />were collected until this well failed due to a landslide that occurred <br />in April 2003. A replacement well, WSC25, was drilled in September 2004. <br />TDS values at this well display an increasing trend. All values have <br />been below 700 mg/l. <br />
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