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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2025
10270877 Middle Fork Bishop Creek below Intake No. 2 Reservoir, near Bishop, CA
LOCATION - Lat 37°14'53", long 118°34'53" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.16, T.8 S., R.31 E., Inyo County, CA, Hydrologic Unit 18090102, in Inyo National Forest, in outlet structure, 50 ft upstream from Bishop Creek Dam, on Middle Fork Bishop Creek, and 13.0 mi southwest of Bishop.
DRAINAGE AREA - 31.6 mi².
REVISIONS HISTORY - WDR US-2010: Drainage Area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1990 to current year. Prior to November 2010 low-flow records only. Unpublished records prior to October 1990 available in files of Southern California Edison Co.
GAGE - Acoustic-velocity meter. Elevation of gage is 8,080 ft above NGVD of 1929, from topographic map. Prior to Nov. 11, 2009, water-stage recorder and Parshall flume at site 0.71 mi downstream at datum 250 ft lower.
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 by Intake No. 2 Reservoir (station 10270875), where most of the water is diverted to Bishop Creek Powerplant No. 2. Water is used for power development downstream. See schematic diagram of Bishop Creek Basin available from the California Water Science Center.
