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<br />) COLORADO- WATER CONSERVATION _''lARD <br />INSTREAM FLOW RECOMMENDATIONS <br /> <br />RECOMMENDATION SUMMARY REPORT <br /> <br />STREAM: South Clear Creek <br />WATERSHED: Rio Grande <br /> <br />10: 92/3/A-12 <br />DIV: 3 COUNTY: Hinsdale <br /> <br />RECOMMENDATION <br />FLOW (cfs): 1 <br />.5 <br /> <br />(4/1-10/15) <br />(10/16-3/31) <br /> <br />LENGTH (miles): <br /> <br />1.9 <br /> <br />--- ------,------ - -- - - ----- <br /> <br />UPPER TERMINUS: <br /> <br />headwaters in <br />NE SE S34 T41N R4W NMPM <br /> <br />LOWER TERMINUS: <br /> <br />inlet of Upper Hermit Lake, in <br />SW NW S25 T41N R4W NMPM <br /> <br />USGS QUADS: <br /> <br />Finger Mesa <br /> <br />FISH SURVEY <br />DOW CODE: 45888 <br />SAMPLE SUMMARY: <br /> <br />DATE: 07/24/80, <br />LOCATION: Confluence with Hermit Lakes. <br />100 ft electrofished. Sample included: <br />18 brook trout (3"-6") and 1 rainbow trout (5"). <br /> <br />FIELD SURVEY DATE: 07/27/89 <br />CROSS SECTION LOCATION: Near end of USFS Rd #515, above Hermit Lake. <br />MEASURED FLOW (cfs): 0.67 GRASSLINE WIDTH (ft): 11.69 PHOTOS: 5 <br />REMARKS: Fish seen in creek, fingerling to 6" trout. <br />Note: '1989 was considered a below average water year in Rio Grande Basin <br /> <br />HYDRAULIC ANALYSIS <br />AT RECOMMENDED <br />FLOW (cfs) : 1 <br /> <br />REMARKS: <br /> <br />AVE DEPTH (ft): 0.22-0.27 <br />% WET PERIM.: 73%-83% <br />AVE VEL. (fps): 0.59-0.70 <br />1 cfs meets 2 of 3 criteria. Lower winter tlow (0.5 cfs) <br />meets average depth and wetted perimeter criteria. These flows are <br />required to protect the fishery in'this stream reach. <br /> <br />(4/1-10/15) <br /> <br />WATER AVAILABILITY <br />METHOD: Synthesized trom USGS method WRIR 85-4086 for South Clear Creek <br />AVERAGE MONTHLY FLOWS (cfs) <br />OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />1.4 1.1 0.8 0.7 0.7 0.8 2.0 8.0 8.8 3.8 3.1 1.8 <br />IMPORTED WATER: None. TRANSBASIN DIVS: None. <br />INBASIN DIVERSIONS: Several senior rights within reach. <br />REMARKS: See attached hydrograph. As per Division Engineer, senior water <br />rights do not present a water availability problem within this reach of <br />South Clear Creek. <br /> <br />CONSULTATIONS <br />DOW: Jay Skinner <br />DWR: Steve Vandiver <br /> <br />!fr1 <br /> <br />08/09/93 <br />09/08/93 <br /> <br />DATE:#- <br /> <br />PREPARED BY: Uppendahl APPROVED BY: <br />