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Water-Year Summary for Site 11470500

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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
11470500 Eel River below Scott Dam, near Potter Valley, CA
LOCATION - Lat 39°24'29", long 122°58'13" referenced to North American Datum of 1927, in SE 1/4 sec.15, T.18 N., R.10 W., Lake County, CA, Hydrologic Unit 18010103, in Mendocino National Forest, on left bank 0.4 mi upstream from Soda Creek, 0.7 mi downstream from Scott Dam, and 9.7 mi northeast of town of Potter Valley.
DRAINAGE AREA - 290 mi².
REVISIONS HISTORY - WSP 1315-B: 1923 (instantaneous maximum discharge), 1938 (instantaneous maximum discharge). WSP 1395: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1922 to current year. Monthly discharge only for some periods, published in WSP 1315-B. Prior to October 1929, published as "South Eel River at Hullville," and October 1929 to September 1953, "at Hullville."
GAGE - Water-stage recorder. Elevation of gage is 1,740 ft above NGVD of 1929, from topographic map. Prior to Dec. 15, 1930, at datum 3.00 ft higher.
COOPERATION - Records collected by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 77.
REMARKS - Flow regulated by Lake Pillsbury (station 11470000) 0.7 mi upstream. No diversion upstream from station. See schematic diagram of Eel River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 56,300 ft³/s, Dec. 22, 1964, gage height, 24.24 ft, from floodmarks, from rating curve extended above 37,000 ft³/s; minimum daily, 0.1 ft³/s, Sept. 8, 1924.