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<br />COLOR/.,I>:\ WATER CONSERVATION BOARD <br />INSW )1 FLOW RECGM!1ENDATIONS <br /> <br />REOY.1MEt,mATlON SUMMARY tlEPORT <br /> <br />:TREAH: West Fork Pas", Creek <br />,'ATERSHED: Rio Grande <br /> <br />ID: 88/3/A-02 <br />DIV: 3 , CXXJl','TY: Mineral <br /> <br />IECOM'1ENDATION <br />FLOW (cfs): 1.0 (5/1-9/30) <br />0.5 (10/1-4/30) <br /> <br />LENGTH (mUes): <br /> <br />3.6 <br /> <br />UPPER TERMINUS: <br /> <br />headwaters at spring at <br />lat 37 29 IlN long 106 48 11W <br /> <br />LOWER TERMINUS: <br /> <br />canfl Pass Creek at <br />lat 37 29 23N long 106 45 16W <br /> <br />USGS QUADS: <br /> <br />Walf Creek Pass <br /> <br />'ISH SURVEY <br />row OODE: 42010 <br />SAl1PLE SUMMARY: <br /> <br />DATE: 09/03/87 <br />IJX:ATION: Approx. 1.6 mile~ u/s of lower terminus <br />500 ft. electrofished. Sampte included 18 <br />Broak trout, 3"-7". Stoneflies and Chironomids common. <br /> <br />"IELD SURVEY <br />CRDSS-SECTION LOCATION: <br />MEASURED FLOW (cfs): 0.63 <br />REMARKS: None <br /> <br />DATE: 09/03/87 <br />Approx. 1.6 miles u/s of lower terminus <br />GRASSLlNE \\'IIYrn (ft): 10.6 PHaros: Y <br /> <br />IYDRAULIC ANALYSIS <br />AT REc:x:M1ENDED <br />FLOW (efs): <br /> <br />R.EMARKS : <br /> <br />AVE DEPTH (ft): .22-.26 <br />% WET PERIM.: 78%-80% <br />AVE VEL. (fps): .52-.59 <br />1 cfs meets 2 of 3 criteria (avg. depth and wet. perimeter) and <br />is required to maintain the fishery. Lower winter flow requirement <br />(0.5 cfs) based on water availability. <br /> <br />1. 0 (5/1-9/30) <br /> <br />,'ATER AVAILABILITY <br />HETHOD: Synthesized from Goose Creek and SFK Rio Grande USGS gages. <br />AVERAGE MJNTHLY FLO\I'S (cfs) <br />OCT NOV DEC 3AN FEE MAR APR MAY JUN JUL AUG SEP <br />2.47 1.55 1.16 1.00 1.07 1.73 5.98 19.2 23.3 7.34 3.43 2.76 <br />IMKlRTED WATER: None TRANSB.A.SIN DIVS: None <br />INBASIN DIVERSIONS: None on mainstem reach. <br />R.EMARKS: See attached hydrograph. <br /> <br />:xJNSULTATIONS <br />roW: Jay Skinner <br />DWR: Steve Vandiver <br /> <br />; <br />,0. /' <br />"/'/ <br />APPROVED BY: !.://"H~M_ <br /> <br />02/06/89 <br />02/08/89 <br /> <br />DATE: '.-/:- )?C, <br /> <br />:JREPARED BY: Park <br />