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REP09078
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REP09078
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Entry Properties
Last modified
8/24/2016 11:38:48 PM
Creation date
11/27/2007 12:02:47 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
Report
Doc Date
2/28/2003
Doc Name
2002 Annual Hydrology Report Letter & Report
From
Seneca Coal Company
To
DMG
Annual Report Year
2002
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
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went dry and continues to be dry. Well YOV30 displays a decreasing TDS • <br />trend. <br />- Wadge Coal. Well YW28 monitors coal seam water quality in the Annand <br />Draw basin. It displays a level TDS trend. WeIIs YW29 and 30 exist in <br />the Sage Creek basin. We11 YW29 displays a level TDS trend. Well YW30 <br />displays a level TDS trend. <br />- Wadge Underburden. Well YWU28 monitors underburden water quality in <br />the Annand Draw basin. It displays a level TDS trend. Wells YWU29 and 30 <br />exist in the Sage Creek basin. Well YWU29 has recently displayed a <br />slightly increasing TDS trend. Well YWU30 displays a decreasing TDS <br />trend. <br />- Wolf Creek Coal and Underburden. As of September 2002, Well YWC33 <br />monitors the Wolf Creek coal water quality in the Sage Creek basin. <br />Mining of this seam began in November 2002. Well YWCU33 now monitors the <br />Wolf Creek underburden water quality in the Sage Creek basin. Only one • <br />sample from each well has been collected so far. <br />Comparison of Ground Water Quality to Water Use Standards. SCC has <br />compiled a list of ground water standards for agricultural uses (Table <br />5). This list is composed of Colorado Department of Health ground water <br />standards (CDOH, Reg. 41, March 1999). <br />Table 6 provides a comparison of ground water quality to agricultural <br />standards. This Paradox database generated table does not include the <br />units of concentration (mg/1 or ug/1) for each parameter, The units used <br />for each parameter are the same as those listed on the standards table <br />(Table 5) and are also the same as those used in the water quality <br />reports. The frequency column on Table 6 indicates the number of <br />exceedences out of the total number of samples (i.e., 1/2 indicates one <br />exceedence out of two samples) . Below is a summary of standards that <br />were exceeded. Given in parenthesis is the source and use of each <br />standard. • <br />6 <br />
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