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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
10268227 McGee Creek below Diversion Dam, near Bishop, CA
LOCATION - Lat 37°16'40", long 118°37'49" referenced to North American Datum of 1927, Inyo County, CA, Hydrologic Unit 18090102, unsurveyed, in Inyo National Forest, in diversion dam, 1.9 mi downstream from Longley Lake, and 14.0 mi southwest of Bishop.
DRAINAGE AREA - 2.44 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1999 to current year. Unpublished records prior to October 1999 available in files of Southern California Edison Co.
GAGE - Non-recording gage observed intermittently. Elevation of gage is 9,200 ft above NGVD of 1929, from topographic map.
COOPERATION - Records provided 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 - Most of the water is diverted at McGee Creek Diversion Dam to Bishop Creek Powerplant No. 2 for power development. Published values are from observations of stage on dates listed and head over orifice rating. With reliable acoustic measurements now available at this site, there is high confidence that published discharges are lower than actual discharge values. Every measurement made has indicated flows greater than those dictated by the historical head over orifice rating. See schematic diagram of Bishop Creek Basin available from the California Water Science Center. No flow published in WY2024.
