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Water-Year Summary for Site 09473000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2022: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2022
LOCATION - Lat 32°50'39", long 110°37'46" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.8, T.7 S., R.17 E., Pinal County, AZ, Hydrologic Unit 15050203, on right bank 5 mi upstream from mouth and 9 mi north of Mammoth. Prior to Dec. 2, 2008 at Latitude 32 50 37, Longitude 110 37 09, in NW 1/4 NW 1/4 sec. 9 T.7 S., R.17 E. on right bank 6 mi upstream from mouth and 9 mi north of Mammoth.
DRAINAGE AREA - 537 mi².
REVISIONS HISTORY - WDR AZ-68-1: 1967. WDR AZ-82-1: 1968, 1969, 1973, 1979 (M). WDR AZ-90-1: Drainage area.
PERIOD OF RECORD - May 1931 to Dec. 1942 (published as "near Feldman"), May 1966 to current year. Monthly discharge only July 1941 to Sept. 1941, published in WSP 1313.
GAGE - Water-stage recorder and, since Mar. 1980, crest-stage gage. Elevation of gage is 2,320 ft above sea level, from topographic map. Oct. 1, 1983 to Dec. 2, 2008, gage at site .70 mi upstream at datum 27 ft higher. Oct. 1, 1981, to Oct. 1, 1983, gage at site 300 ft upstream at datum 4.19 ft higher. Prior to Oct. 1, 1981, at datum 1.00 ft higher. May 1931 to Dec. 1942 at site 0.3 mi downstream at different datum.
REMARKS - Records good except for those above 500 ft³/s, which are poor. Diversions for irrigation of several hundred acres above station.
EXTREMES OUTSIDE PERIOD OF RECORD - A discharge of 20,000 ft³/s occurred Aug. 2, 1919, at site of former gaging station 6 mi downstream, operated Apr. 1919 to Sept. 1921, gage height, 6.3 ft, from floodmark, site and datum then in use, from rating curve extended above 5,100 ft³/s on basis of velocity-area study.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge since at least 1919, 70,800 ft³/s Oct. 1, 1983, from slope-area measurement of peak flow, gage height, 16.76 ft, from profile past gage; minimum, 0.0 ft³/s at various times in June and July, 2013.