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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />- <br />I <br />I <br />- <br />I <br />I <br />- <br />I <br />- <br />- <br />I <br /> <br />Ofl1725 <br /> <br />MUSICK, WILLIAMSON, SCHWARTZ, <br />LEAVENWORTH & COPE, P.C <br /> <br />75 MANHAITAN DRIVE - SUITE I <br />P.O. BOX 4579 <br />BOULDER, COLORADO B0306 <br /> <br />1011 GRAND AVENUE <br />P.O. DRAWER 2030 <br />GLENWOOD SPRINGS, CO. 81601 <br /> <br />MEMORANDUM <br /> <br />TO: <br /> <br />Water Quality Control Commission <br /> <br />FROM: <br /> <br />~p--- <br /> <br />Sue Ellen Harrison <br /> <br />DATE: June 27, 1980 <br /> <br />RE: City of Louisville Stream Classification Proposal <br /> <br />I. Introduction <br /> <br />The City of Louisville ("Louisville" or "the City") has <br />submitted an alternate proposal for that stretch of Coal Creek <br />from High~ay 93 to the confluence ~ith Boulder Creek. Louisville <br />discharges into this segment of Coal Creek. Basically, this proposal <br />requests that the stream be classified Class 2-Warm Water Aquatic <br />Life and not Class 1-Warm Water Aquatic Life. In addition, the <br />proposal requests that the unionized ammonia level be set at <br />a status quo level for this segment of the stream, and not the <br />present proposal of 0.06 unionized ammonia. Louisville does not <br />disagree with any of the other stream classifications or numerical <br />standards set for this segment of Coal Creek. <br /> <br />Louisville asserts that the evidence will demonstrate that <br />this segment of Coal Creek is in fact a Class 2-Warm Water Aquatic <br />Life segment and not a Class 1 as proposed by the Water Quality <br />Control Division ("WQCD"). This position is based on the existing <br />characteristics in Coal Creek--Iow flows, sandy bottom, and a <br />limited fishery. In addition, the evidence indicates that the <br />ammonia concentration in portions of this stream is greater than <br />the proposed 0.06 number, even above the Louisville discharge <br />point. The evidence also indicates that the ammonia concentration <br />just prior to the confluence of Boulder Creek has dropped way <br />below the 0.06 mg/l proposed level, yet there is still only a <br />limited fishery at this point on the stream. Therefore, Louisville <br />asserts that any attempt to upgrade the fishery in this stream <br />cannot be limited to ammonia, because at the present time, factors <br />other than ammonia are affecting the fishery. <br /> <br />Attachment #1 <br />