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Water-Year Summary for Site 11242000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
11242000 San Joaquin River above Willow Creek, near Auberry, CA
LOCATION - Lat 37°08'40", long 119°27'13" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.15, T.9 S., R.23 E., Madera County, CA, Hydrologic Unit 18040006, in Sierra National Forest, on right bank, 1,000 ft downstream from Redinger Lake Dam, 0.4 mi upstream from Willow Creek, and 4.2 mi northeast of Auberry.
DRAINAGE AREA - 1,295 mi².
REVISIONS HISTORY - WSP 1930: Drainage area.
PERIOD OF RECORD - March 1951 to current year.
GAGE - Water-stage recorder. Elevation of gage is 1,175.54 ft above NGVD of 1929 (levels by Southern California Edison Co.).
COOPERATION - Records, including diversion to Big Creek Powerplant No. 4 (station 11246530), were collected by Southern California Edison Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2017.
REMARKS - Flow regulated by Redinger Lake (station 11241950). Most of the flow, since June 1951, is diverted at Redinger Lake to Big Creek Powerplant No. 4. See schematic diagram of lower San Joaquin River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 99,200 ft³/s, Jan. 2, 1997, gage height, 65.17 ft, from floodmarks, from rating curve extended above 7,000 ft³/s, on basis of computed flow over dam; no flow Sept. 25, 1951.