USGS Water-Year Summary 2021
09426620 BILL WILLIAMS RIVER NEAR PARKER, AZ
LOCATION - Lat 34°15'45", long 114°01'37" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 SE 1/4 sec.28, T.11 N., R.17 W., La Paz County, AZ, Hydrologic Unit 15030204, on left bank 1.8 mi downstream from Mineral Wash and Havasu National Wildlife Refuge boundary, 5.3 mi upstream from mouth, 17 mi northeast of Parker, and approximately 31 mi downstream from Alamo Dam.
DRAINAGE AREA - 5,337 mi² of which 10 mi² probably is noncontributing.
- WDR AZ-91-1: Drainage area.
PERIOD OF RECORD - October 1988 to current year.
GAGE - Water-stage recorder.
EXTREMES OUTSIDE PERIOD OF RECORD - The history of floods that occurred at a former site located about 3 mi upstream is published in WSP 1683, Bill Williams River at Planet (sta 09426500).
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 7,330 ft³/s March 1, 2005; no flow for many days most years.