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2019-03-11_REPORT - C2009087 (2)
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2019-03-11_REPORT - C2009087 (2)
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Last modified
3/11/2019 12:26:20 PM
Creation date
3/11/2019 11:05:37 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C2009087
IBM Index Class Name
Report
Doc Date
3/11/2019
Doc Name
Annual Hydrology Report
From
Peabody Sage Creek Mining, LLC
To
DRMS
Annual Report Year
2018
Permit Index Doc Type
Hydrology Report
Email Name
TNL
Media Type
D
Archive
No
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pit and exhibits a decreasing TDS trend. Spoil Spring 4 is a spring <br />adjacent to Spoil Spring 3 and exhibits an increasing TDS trend. Spoil <br />Spring 5 (also known as the Pecoco Pond) is issued out of another old <br />mine pit north of Spoil Spring 3. It displays an increasing TDS trend. <br />All these springs eventually flow into the Wadge Impoundment via Little <br />Grassy Creek. <br />Spoil Springs 6A and 10. <br />These springs exist in the Wolf Creek coal spoils. Spoil Spring 6 exists <br />along the northwest edge of the Wolf Creek pit. Spoil Spring 6 exhibits <br />an overall increasing historical TDS trend. Monitoring at Spoil Spring 6 <br />was discontinued in 2015 for two reasons; first, this spring exists in a <br />Phase III Bond Release area that was approved by the CDRMS early in <br />2015, and second, it is very difficult to access. Spoil Spring 6A <br />monitors the same drainage downstream where it meets the haul road. <br />Spoil Spring 6A did not exhibit flow in 2018. This site displays an <br />overall increasing historical TDS trend. <br />Spoil Spring 10 was discovered in 1993. It exists along the southwest <br />edge of the spoils near the Wolf Creek pit underdrain and is normally <br />sampled at the haul road culvert. It displays a slightly increasing TDS <br />trend, with the peak TDS value occurring in May 2006. <br />Comparison of Surface Water Quality to Water Use Standards. <br />PSCM has compiled a list of surface water standards for agricultural <br />uses (Table 10 in Appendix A). This list is composed of CDPHE surface <br />water agricultural use standards (CDPHE, Reg.31, November 2009). <br />Table 11 in Appendix A provides a comparison of all surface water <br />quality data (including spoil springs) collected this year to <br />agricultural standards. The Paradox database -generated table does not <br />include the units of concentration (mg/l or ug/1) for each parameter. <br />The units used for each parameter are the same as those listed on the <br />standards table (Table 10) and are the same as those used in the water <br />quality reports. The frequency column on Table 11 indicates, in this <br />order: uncensored, that is, the number of exceedances above the Method <br />16 <br />
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