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Water-Year Summary for Site 10287770

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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
10287770 Lee Vining Creek below Rhinedollar Dam, near Lee Vining, CA
LOCATION - Lat 37°56'10", long 119°13'48" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.21, T.1 N., R.25 E., Mono County, CA, Hydrologic Unit 18090101, in Inyo National Forest, on left bank, 100 ft downstream from Rhinedollar Dam Spillway, and 6.3 mi west of Lee Vining.
DRAINAGE AREA - 16.7 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1990 to current year. Unpublished records prior to October 1990 available in files of Southern California Edison Co.
GAGE - Water-stage recorder, acoustic-velocity meter, and Parshall flume. Elevation of gage is 9,450 ft above NGVD of 1929, from topographic map. Prior to Oct. 1, 1994, at datum 1.00 ft lower.
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. 1388.
REMARKS - Flow regulated for power development by Saddlebag, Tioga, and Ellery Lakes (stations 10287650, 10287700, and 10287760, respectively). Most of the water is diverted at Ellery Lake to Poole Powerplant via Poole Powerplant Conduit intake.  Records consist of flow through the dam, measured by the acoustic-velocity meter, combined with flow down the spillway.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 373 ft³/s, June 21, 2017; no flow for many days each year.