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REP34600
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Entry Properties
Last modified
8/25/2016 12:11:33 AM
Creation date
11/27/2007 6:54:01 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981025
IBM Index Class Name
Report
Doc Date
1/4/1999
Doc Name
1998 ANNUAL HYDROLOGIC REPORT
Annual Report Year
1998
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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~~ <br />1 <br /> <br /> <br /> <br />1 <br /> <br /> <br />I~ <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br />LJ <br />MWREC, INC. ANNUAL HYDROLOGIC REPORT PAGE 3 <br />discharges from the mines were combined effective August 11, 1995. The combined <br />discharge from the mines is treated by the passive water treatment system and is <br />discharged through Outfall 001. <br />A table of the No. 3 Mine water level measurements and a graph which shows the increase <br />and decrease in water level over time are presented in Appendix III. The water level in the <br />mine is measured through a monitoring hole which penetrates the mine opening. The <br />water level in the mine was basically stable during 1998. <br />MINE WATER QUALITY <br />The discharge from the No. 3 Mine and No. 1 Mine were combined on August 11, 1995. <br />The average flow measurements from the No. 3 Mine for the period 1990 through 1994 is <br />summarized below. <br />NO. 3 MINE DISCHARGE <br />Year 1990 1991 1992 1993 1994 <br />Flow m 6.7 6.8 5.5 10.4 8.0 <br />Water from the No.1 Mine and No. 3 Mine continue to be treated by the passive water <br />treatment system. The quality of the discharge is presented in a table in Appendix IV. The <br />quality of the discharge from the mine shows little change from last year. During the year <br />the flow from the No. 1 Mine increased substantially. A six inch diameter PVC pipe was <br />installed from the old air shaft to the long pond to handle this flow. A maximum flow of 160 <br />gpm was recorded at Outfall 001 during May 1998. <br />The following table presents arithmetic averages of flow and quality measurements taken <br />at Outfall 001. Outfall 001 is the discharge point for the passive water treatment system. <br />As of August 11, 1995, the discharge from Outfall 001 is the combined discharge from the <br />No. 1 Mine and the No. 3 Mine. <br /> <br />
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