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<br />9/21/98 - Final RSR <br /> <br />NATURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 7/6/89 <br /> <br />Survey Location: <br />a Survey Summary: <br />_ Basis for ISF: <br /> <br />75'-100' u/s of West Beaver Creek <br />100 ft electrofished. Sample included: 19 brook trout (5"-9") and 1 rainbow trout (10") <br />brook and rainbow trout fIShery <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 7/6/89 <br /> <br />Method Used: R2X Grassline Width (ft): 23.6 <br />Measured Flow (cfs): 10.6 PHOTOS: 3 <br />Survey Location: 75'-100' above confluence with West Beaver Creek <br />Notes: Clear normal flow. Stream loaded with trout. <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br />Remarks: <br /> <br />The Beaver Creek hydrograph was derived as per USGS WRI Report 85-4086. <br />See attached hydrograph. The winter instream flow recommendation was reduced to 2 cfs <br />(12115-4/14) based on water availability analysis. As per the Division 4 Engineer, senior water <br />rights do not present a water availability problem within this reach of stream. <br /> <br /> <br />OCT NOV DEC <br />4.8 3.4 2.5 <br /> <br />MEAN MONTHLY FLOWS cfs <br />IAN FEB MAR APR MAY JUN <br />2.1 2.0 2.2 6.5 39. 73. <br /> <br />JUL <br />25. <br /> <br />AUG SEP <br />10. 6.1 <br /> <br />Beaver Creek u/s of West Beaver Creek <br />SYNTHETIC HYDROGRAPH <br /> <br />10 <br /> <br />4 <br /> <br /> <br /> <br /> <br />Ui <br />lL <br />U <br />- <br />8 <br /> <br />~ <br />o <br />...I <br />lL <br />>- <br />...I <br />I <br />f- <br />Z <br />o <br />::; <br />z <br />Lli <br />::; <br /> <br />6 <br /> <br />----------- <br /> <br />----- <br /> <br />2 <br /> <br />-- <br /> <br />-- <br /> <br />o <br /> <br />OCT <br /> <br />NOV DEC <br /> <br />JAN <br /> <br />FEB MAil APIl MAY JUN <br />MONTH <br /> <br />JUL <br /> <br />AUG SEP <br /> <br />OCT <br /> <br />Ibaav., .Wk41 <br /> <br />_ CWCB ISF AMOUNT <br /> <br />e <br /> <br />C:\MARKINEW _RECSIDIV _ 4\I997\wp\97 _A_R",_sum_,pt.do<: <br />