USGS Water-Year Summary 2020
10260776 East Branch California Aqueduct at Alamo Powerplant, near Gorman, CA
LOCATION - Lat 34°48'56", long 118°41'03" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.04, T.8 N., R.17 W., Los Angeles County, CA, Hydrologic Unit 18090206, in powerplant 2.2 mi downstream from Tehachapi Tunnel on the East Branch California Aqueduct, and 9 mi east of Gorman.
PERIOD OF RECORD - October 1995 to September 2015 (discontinued). Prior to October 1995 in files of California Department of Water Resources. Published as "Alamo Powerplant" prior to October 1999.
GAGE - Acoustic-velocity meter in penstock and water-stage recorder in bypass flume. Datum of gage is 2,932.5 ft above NGVD of 1929 (levels by California Department of Water Resources).
COOPERATION - Records were collected by California Department of Water Resources, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2426.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 5,600 ft³/s, Nov. 21, 2006; no flow at times in some years.