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<br />COLORADO WATER CONSERVATION BOARD <br />INSTREAM FLOW RECOMMENDATION SUMMARY REPORT <br /> <br />Stream: <br />County: <br />ISF ID#: <br /> <br />Chalk Creek <br />Chaffee <br />9512/A-015 <br /> <br />Division: <br />Watershed: <br />DOW Code #: <br /> <br />2 <br />Arkansas River <br />29341 <br /> <br />INSTREAM FLOW RECOMMENDATION <br /> <br />Flow (cfs): <br /> <br />20 (5/15-10/31) <br />12 (11/1-5/14) <br /> <br />Length (miles): <br /> <br />5.6 <br /> <br />Upper <br />Terminus: <br /> <br />Bridge on Colo Hwy 162 in <br />SW NW S19 T15S R78W 6PM <br /> <br />Lower <br />Terminus: <br /> <br />conn Arkansas River in <br />NE SW S13 T15S R78W 6PM <br /> <br />USGS QUAD(s): <br /> <br />Mount Autero; Nathrop <br /> <br />BASIS FOR INSTREAM FLOW RECOMMENDATION <br /> <br />e <br /> <br />The DOW documented that a natural environment is present in the form of a brown, rainbow and <br />cutthroat trout fishery. <br />· Based on the DOW's biological recommendation, flows of20 cfs, summer, and 12 cfs, winter, are <br /> <br />. <br /> <br />necessary to preserve the natural environment to a reasonable degree_ <br />· CWCB staff has conducted a water availability analysis and determined these amounts are available for <br />the Board's appropriation. <br />· CWCB staffhas determined that adequate water supplies exist such that the natural environment may be <br />preserved without limiting or foreclosing the exercise of valid existing water rights. <br /> <br />CONSULTATIONS: <br /> <br />DOW: Jay Skinner <br /> <br />8/1/96 <br /> <br />DWR: Steve Witte <br /> <br />8/1/96 <br /> <br />CWCB STAFF <br /> <br />Prepared By: Uppendahl <br /> <br />e <br /> <br />1/15/98 <br /> <br />Reviewed By: Espegren <br /> <br />1/20/98 <br />