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Water-Year Summary for Site 11293600

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
11293600 North Fork Stanislaus River below Diversion Dam, near Big Meadows, CA
LOCATION - Lat 38°26'04", long 120°01'04" referenced to North American Datum of 1927, Calaveras County, CA, Hydrologic Unit 18040010, unsurveyed, in Stanislaus National Forest, on right bank, 0.3 mi downstream from diversion dam, and 5.6 mi northeast of Big Meadows.
DRAINAGE AREA - 28.8 mi².
REVISIONS HISTORY - WDR CA-89-3: 1988 (instantaneous maximum discharge).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1987 to current year.
GAGE - Water-stage recorder, crest-stage gage, and artificial control. Elevation of gage is 6,640 ft above NGVD of 1929, from topographic map.
COOPERATION - Records were collected by Northern California Power Agency, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2409.
REMARKS - Low and medium flow regulated by Union, Utica, and North Fork Stanislaus River Diversion Reservoirs, and Lake Alpine (stations 11293350, 11293370, 11293590, and 11293460, respectively). See schematic diagram of Stanislaus River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,220 ft³/s, May 16, 1996, gage height, 7.92 ft, from rating curve extended above 120 ft³/s, on basis of computation of peak flow over diversion dam; maximum gage height 8.75 ft January 8, 2017; minimum daily, 2.3 ft³/s, Oct. 18-20, 22, 23, 1992.