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Longfellow Koehler Project <br /> Page 9 <br /> Water Quality Standards and Use Classifications <br /> Identification <br /> The Koehler / Longfellow area drains into Mineral Creek, Segment 8 of the Animas and <br /> Florida Sub-basin of the San Juan River. Segment 8 in turn flows into Segment 9b which <br /> flows into Segments 4a,4b, 5a which are Animas River mainstem segments extending to the <br /> Southern Ute Indian Reservation boundary. <br /> Classification <br /> Segment 8 is designated as Use Protected and is classified for the following uses: <br /> Recreation, Class 2; Agriculture. <br /> Numeric Standards; Se mg ent 8 <br /> The standards below can be found in 3.4. Classifications and Numeric Standards for the San <br /> Juan River Basin (5ccr 1002-8) <br /> Physical and Biological Standards <br /> pH 4.5-9.0 s.u. <br /> Fecal Coliform=200/100 ml <br /> Metals <br /> Effective until March 2, 1998 all metals standards have been set equal to the existing ambient <br /> quality as of February 14, 1995.Effective as of March 2, 1998 the concentration of dissolved <br /> aluminum, cadmium, copper, iron, lead, manganese and zinc that is directed toward <br /> maintaining and achieving water quality standards in segments 4a, 4b, and 9b of the Animas <br /> Basin. <br />