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Water-Year Summary for Site 10271200

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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
10271200 Bishop Creek above Powerplant No. 6, near Bishop, CA
LOCATION - Lat 37°21'00", long 118°27'42" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.09, T.7 S., R.32 E., Inyo County, CA, Hydrologic Unit 18090102, on left bank, adjacent to Powerplant No. 6 tailrace, and 3.8 mi west of Bishop.
DRAINAGE AREA - 104 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1990 to current year. If records for Bishop Creek Powerplant No. 6 Conduit (station 10271060) are combined with this record, a record equivalent to that published October 1936 to September 1990 as "Bishop Creek below Powerplant No. 6, near Bishop" can be obtained. Monthly and yearly mean discharge prior to October 1969, published in WSP 2127.
GAGE - Water-stage recorder and Parshall flume. Elevation of gage is 4,510 ft above NGVD of 1929, from topographic map.
COOPERATION - Records collected by Southern California Edison Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 1394.
REMARKS - Flow regulated for power development by South Lake, Lake Sabrina, and Intake No. 2 Reservoir (stations 10270700, 10270870, and 10270875, respectively), combined capacity, 20,311 acre-ft, and five powerplants. Water is diverted into basin via Birch-McGee Diversion (station 10270900). Water is diverted out of basin via Abelour Ditch (station 10270985) for irrigation and domestic use. Diversion to Bishop Creek Powerplant No. 6 bypasses this station and is published as a line item below. See schematic diagram of Bishop Creek Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 515 ft³/s, May 23, 2023, gage height, 4.13' ft; no flow on many days in July and August 1992.