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Water discharged Pzom the Seneca II Mine is not used directly !or irrigation. indirectly, • <br />although, water diachazged from the mina is significantly diluted by water lrom either <br />Fish Creek or the Yampa Rives before it ie diverted and used Eor irrigation. Dua to the <br />relative amount of dilution by additional rater from both sources, the ambient water <br />qualities of Fiah Creak and the Yampa Aiver are the dominant factors in determining their <br />suitability for irrigation. Water dischazged Prom the Seneca II Mina is, however, vaed <br />for liveetorJc rataring. <br />Surface water Summary. bus to a high spring runoff, all stream sites and NPDES cites <br />experienced higher than normal flows. 1D5 values at NPDES 006 and 008 are increasing at a <br />moderate rata while 1DS values at NFDES 002 and 003 era inczaaeinq slightly. Dischazgas <br />aze suitable for livestock, but marginally suitable for irrigation. No axcaedencae of <br />NPDES effluent criteria (Permit No. CO-0000221) occurred this yeaz. <br />References <br />American Public Health Aaeocintion (Ed.). 1985. "Standazd Methods for the Examination of <br />Water and Wastewater", 16th Edition, Washington, D.C. <br /> <br />erakaneieh and others. 1979. "Field Manual Por Aaeeazrh in Agricultural Hydrology". <br />Buchanan and Sumara. 1968. "Stage Heaevramenta at Gaging Stations". <br />• <br />16 <br />