USGS Water-Year Summary 2019
09428510 POSTON WASTEWAY NEAR POSTON, AZ.
LOCATION - Lat 33°59'58", long 114°26'41" referenced to North American Datum of 1927, La Paz County, AZ, Hydrologic Unit 15030104, Lat 33o59'58", long 114o26'41", IN SW1/4 SE1/4m sec.28, T.8N, R.21W, Poston 7 1/2 quadrangle, Hydrologic Unit 15030104, La Paz Co., 200 ft downstream from Poston Wasteway spill gates, at outlet of Upper Main Drain, 0.8 mi upstream from Colorado River, 2.5 mi west of Poston and 14 mi southwest of Parker, AZ.
PERIOD OF RECORD - June 1966 to September 1991, August 2008 to present.
GAGE - An Acoustic Doppler Velocity Meter (ADVM) with integrated stage sensor. Gage set to arbitrary datum.