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<br />COLORADO WATER CONSERVATION BOARD <br />Department of Natural Resources <br />721 State Centennial BuHding <br />1313 Sherman Street <br />Denver. Colorado 80203 <br />Phone: (303) 866-3441 <br /> <br />STATE OF COLORADO <br /> <br />O. <br /> <br />M E MaR AND U M <br /> <br />Richard D. lamm <br />Governor <br />J. William McDonald <br />Director <br />David W. Walker <br />Deputy Director <br /> <br />TO: <br /> <br />Members, CWCB <br /> <br />FROM: <br /> <br />Bill McDonald, Director <br /> <br />DATE: <br /> <br />January 7, 1985 <br /> <br />SUBJECT: Agenda Item 9a, January 14, 1985, Board Meeting <br />Ratify Statement of Opposition <br />Case No. 4-84CW157, John H. Hahn, Copley Lake <br /> <br />Background <br /> <br />Copley Lake is a small natural lake located west of Crested <br />Butte near the old mining town of Irwin. Normally, the lake <br />varies between 8 and 13 surface acres in size and has a tributary . <br />watershed of approximately 1 square mile. The lake, according to <br />the Division of wildlife files, is void of fish and has an <br />average depth of 2.5 feet with a maximum depth of approximately <br />5.0 feet. The lake is used extensively for research purposes by <br />the Rocky Mountain Biological Laboratory because of the unique <br />biological conditions which develop in the absence of a fishery. <br />The lake, under natural conditions, drains to the east when full. <br />However, a portion of the high mountain meadow in which the lake <br />is situated does drain west and it is conceivable the lake could <br />drain both directions on occasion. <br /> <br />A Mr. Frank Long, now deceased, obtained a decree on August <br />5, 1975, with an appropriation date of 1954, for 39.75 acre-feet <br />of water to be used for recreation, fish culture, biological <br />study and research, and heritage preservation. Subsequently, on <br />May 12, 1976, the CWCB established a minimum lake level <br />appropriation of 23.0 acre-feet which was decreed on January 10, <br />1980, without opposition. <br /> <br />Prior to either decree there existed an old pipeline going <br />west out of Copley Lake which was used to supply water to several <br />mining claims near Irwin. <br /> <br />722 . <br />cop/lke <br />