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REP09159
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REP09159
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Entry Properties
Last modified
8/24/2016 11:38:51 PM
Creation date
11/27/2007 12:03:40 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
Report
Doc Date
12/11/2001
Doc Name
1992 WATER YEAR ANNUAL HYDROLOGY REPORT SENECA II MINE
Annual Report Year
1992
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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Creek and cause a further increase in TDS values due to evapotranspiration which • <br />concentrates salts in these reservoirs. TDS values fluctuate from year to year for the <br />same reasons previously discussed for Site 10. <br />For Site 12, TDS and sulfate values have been plotted on one graph, manganese values <br />(total and dissolved) on a second and zinc values on a third (see Appendix H). Review of <br />the TDS/sulfate graph indicate no discernible long-term trend. No discernible long-term <br />trends are evident for manganese and zinc also. <br />Surface Water Site Sw-S2-11. This site was instituted in May, 1987, and monitors Fish <br />Creek upstream of its confluence of Cow Camp Creek. It is monitored May through September <br />on a monthly basis and only if either Sites 10 or 12 are flowing. Pater at this site is a <br />CaMg-HC03 S04 type (see Table 16, Appendix A). This site is upstream of Seneca mine <br />discharges; therefore, its water chemistry is primarily the result of natural or <br />background conditions. <br />TDS and sulfate values have been plotted for Site 11 (see Appendix H). When reviewing <br />this graph, one must keep in mind [hat for the last two years as a result of an approved • <br />change in the monitoring program, water quality samples were taken only in May and June <br />(as opposed to Nay through September in prior years). No discernible long-term trends are <br />apparent. <br />Surface Pater Site Sw-52-13. This site was instituted in May 1987 and monitors Fish Creek <br />downstream of its confluence with Bond Creek. It is monitored Nay through September an a <br />monthly basis end only if either Sites 10 or 12 ere flowing. Maier at this site is a <br />CaMg-HC0350` type (see Table 16, Appendix A). The increases in TDS values from Site 11 to <br />Site 13 were only 12 mg/l in Mey end actually decreased in June by 4 mg/l. This data <br />strongly indicates that the discharges of Bond end Cow Camp Creeks (and, therefore, the <br />discharges of the Seneca II Mine) have an insignificant impact on Fish Creek. <br />TDS end sulfate values have been plotted for Site 13 (see Appendix N). As with Site 11 <br />(see above), only May end June date for the last two years has been collected. No <br />discernible long-term trends are apparent. <br />To summarize water quality in the Fish Creek basin, it appears that the Seneca II Mine has • <br />little, if any, impact on Fish Creek. water discharged from the mine is lost to stock <br />16 <br />
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