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Water-Year Summary for Site 11214600

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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
11214600 Helms Creek below Courtright Dam, CA
LOCATION - Lat 37°04'35", long 118°58'04" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.07, T.10 S., R.28 E., Fresno County, CA, Hydrologic Unit 18030010, Sierra National Forest, on left bank, 500 ft downstream from Courtright Dam, 2.5 mi upstream from North Fork Kings River, and 17 mi southeast of town of Huntington Lake.
DRAINAGE AREA - 39.7 mi².
REVISIONS HISTORY - WSP 1715: 1959. WSP 2130: 1959.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1958 to current year (1986 incomplete).
GAGE - Water-stage recorder and broad-crested weir (with low-water 90° V-notch weir since Nov. 13, 1990). Elevation of gage is 7,836 ft above NGVD of 1929, from photogrammetry survey.
COOPERATION - Records were provided by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission Project nos. 175 and 1988.
REMARKS - Flow regulated since October 1958 by Courtright Reservoir (station 11214550) 500 ft upstream. Water bypasses this gage through Helms Powerplant (station 11214540). See schematic diagram of Kings River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,340 ft³/s, Aug. 29, 1969, gage height, 5.81 ft, maximum gage height, 7.70 ft, Aug. 23, 1978; no flow on several days in 1970.