USGS Water-Year Summary 2020
09424150 COLORADO RIVER AQUEDUCT NEAR PARKER DAM, AZ-CA
LOCATION - Lat 34°18'58", long 114°09'23" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.28, T.3 N., R.27 E., San Bernardino County, CA, Hydrologic Unit 15030101, San Bernardino meridian, at intake pumping plant of Metropolitan Water District of Southern California on Lake Havasu, 1.8 mi upstream from Parker Dam and 149 mi downstream from Hoover Dam.
PERIOD OF RECORD - Jan. 1939 to current year (monthly diversions only, Oct. 1942 to Sept. 1991. Published as a supplement to records for Colorado River below Parker Dam, 1942-50. Percolation return flow (monthly flow only) Oct. 1964 to Sept. 1973; prior to Oct. 1964 miscellaneous measurements only. Prior to 1992, published as monthly discharges.
GAGE - Flow obtained from acoustical flowmeters. Prior to Aug. 1990, flow obtained from Venturi meters in pressure lines at intake pumping plant.
COOPERATION - Diversion records furnished by Metropolitan Water District of Southern California.
EXTREMES FOR PERIOD OF RECORD - Maximum daily streamflow, 3,946 acre-ft, June 3, 2013; 0.00 acre-ft on several days.