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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
09479350 GILA RIVER NEAR MARICOPA, AZ
LOCATION - Lat 33°10'07", long 112°00'24" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 SW 1/4 sec.13, T.3 S., R.3 E., Pinal County, AZ, Hydrologic Unit 15050100, in Gila River Indian Reservation, on the downstream side of the highway bridge 8 mi north of Maricopa, AZ.
DRAINAGE AREA - 19,915 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Occasional medium range to high range flow measurements were made in 1993-1994 water year. Established as a continuous-record station May 1995 to current year.
GAGE - Water-stage recorder. Elevation of gage 1,113.87 ft above sea level, from topographic map.
REMARKS - Records fair. Many diversions above station for irrigation. Most low flow is wastewater from irrigated lands from Chandler, AZ, treatment plant. Flow regulated by storage in San Carlos Reservoir. This station replaces Gila River near Laveen (09479501), which was discontinued in the 1995 water year. Flood Jan. 20, 1993, discharge 49,350 ft³/s, measured from bridge, no gage height recorded. Flood Jan. 22, 1993, discharge 46,300 ft³/s, measured from bridge, approximate gage height, 6.80 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,080 ft³/s, July 31, 2006, gage height, 4.03 ft. Minimum daily discharge, no flow for many days.
