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<br />NATURAL ENVIRONMENT SURVEY <br /> <br />s~ Date: 8110/95 <br /> <br />:iurvey Location: <br />Survey Summary: <br />(14"). <br />Ilasis for ISF: <br /> <br />118 mile south of road x-ing at powerline <br />Rod & Reel Survey. Sample included: 3 rainbow trout (S" - 10") and 1 brown tro_ <br /> <br />rainbow and brown trout rlShery . <br /> <br />FIELD SURVEY <br /> <br />Survey Date: S/16/95 <br /> <br />Method Used: R2X I Grassline Width (ft): 11.0 <br />Measured Flow (cfs): 1.54 PHOTOS: 11 <br />Survey Location: 1/8 mile south of road x-ing at powerline <br />Notes: Many beaver ponds located along stream. <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The South Beaver Creek (2) hydrograph was derived as per USGS WRl Report 85-4086. See <br />hydrograph below. The summer and winter instream flow recommendations were reduced to 1.2 <br />cfs (811 - 10131) and 0.7 cfs (11/1-4/14) based on water availability analysis. As per the Division <br />4 Engineer, senior water rights do not present a water availability problem within this reach of <br />stream. <br /> <br />OCT NOV DEC <br />1.2 1.0 .82 <br /> <br />MEAN MONTHLY FLOWS cfs <br />IAN FEB MAR APR MAY IUN <br />.70 .72 1.0 3.1 11. 14. <br /> <br />IUL <br />3.2 <br /> <br />AUG SEP <br />1.7 1.2 <br /> <br />South Beaver Creek <br />SYNTHETIC HYDROGRAPH - Modified <br /> <br />4 <br /> <br />- <br />l/) <br />lI.. <br />o <br />- 3 <br />~ <br />o <br />....I <br />lI.. <br />>- <br />....I 2 <br />J:: <br />~ <br />Z <br />.0 <br />::E <br />Z 1 <br /><: <br />UJ <br />::E <br /> <br /> <br />---- <br /> <br />--- <br /> <br />o <br /> <br />OCT NOV DEC JAN FEB MAR APR MAY JUN <br />MONTH <br /> <br />1- CWCS ISF AMOUNT I <br /> <br />JUL AUG SEP OCT <br /> <br />isce. <2. wk 4\ <br /> <br />_I <br /> <br />C:IMARl.."1Nl!;W _RECSlWP' I\RECOMMENDATION SUMMARY REPORT.doc <br />