Laserfiche WebLink
<br />COLORAOO WATER CONSERVATION BOARD <br />INSTREAM FLOW RE~ATIONS <br /> <br />REC01MENDATION SUMMARY REFQRT <br /> <br />;TREAl'\: West Fork Pass Creek <br />\'ATERSHED: Rio Grande <br /> <br />In: 88/3/A-02 <br />DIV:3 , COUNTY: <br /> <br />Mineral <br /> <br />IEco:1.'1ENDA TI ON <br />FLOW (cfs): 1.0 (5/1-9/30) <br />0.5 (10/1-4/30) <br /> <br />LENGTIl (miles): <br /> <br />3.6 <br /> <br />UPPER TERMINUS: <br /> <br />headwaters at spring at <br />lat 37 29 11N long 106 48 11W <br /> <br />LOWER TERMINUS: <br /> <br />confl Pass Creek at <br />lat 37 29 23N long 106 45 46W <br /> <br />USGS QUADS: <br /> <br />Wolf Creek Pass <br /> <br />r.ISH SURVEY <br />row CODE: 42010 <br />SAMPLE SUMMARY: <br /> <br />DATE:. 09/03/87 <br />LOCATION: Approx. 1.6 miles u/s of lower terminus <br />500 ft. electrofished. Sample included 18 <br />Brook trout, 3"-7", Stoneflies and Chironomids common. <br />i'(litl~Q:; <br /> <br />~IELD SURVEY DATE: 09/03/87 <br />CROSS-SECTION LOCATION: Approx. 1. 6 miles u/ s of lower terminus <br />MEASURED F1.OW (cfs): 0.63 GRASSLINE WIDTH (ft): 10.6 PHOTOS: Y <br />REMARKS: None <br /> <br />lYDRAULIC ANALYSIS <br />AT RECCM1ENDED <br />FLOW (cfs): <br /> <br />AVE DEPTH (ft): .22-.26 <br />% WET PERIM.: 78%-80% <br />AVE \~. (fps): .52-.59 <br />REMARKS: 1 cfs meets 2 of 3 criteria (avg. depth and wet. perimeter I 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 />METIlOD: Synthesized from )Goose Creek and SFK Rio Grande <br />AVERAGE MONTHLY FLOWS (cfs) <br />OCT NOV DEC JAN FEB MAR APR MAY JUN <br />2.47 1.55 1.16 1.00 1.07 1.73 5.98 19.2 23.3 <br />IMFORTED WATER: None TRANSBASIN DIVS: <br />INBASIN DIVERSIONS: None on mainstem reach. <br />REMARKS: See attached hydrograph. <br /> <br />USGS gages. <br /> <br />JUL AUG <br />7.34 3.43 <br />None <br /> <br />SEP <br />2.76 <br /> <br />AlNSULTATIONS <br />roW: Jay Skinner <br />DWR: Steve Vandiver <br /> <br />02/06/89 <br />02/08/89 <br /> <br />:>REPARED BY: <br /> <br />Park <br /> <br />APPROVED BY: <br /> <br />"/ <br />,1./. <br /> <br />DATE: <br /> <br />, -,', <br />