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Water-Year Summary for Site 09447000

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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 2020: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 33°03'52", long 109°26'30" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.23, T.4 S., R.28 E., Greenlee County, AZ, Hydrologic Unit 15040005, on right bank 2 mi upstream from Freeport McMoRan Copper and Gold Inc. pumping plant, 5 mi west of Morenci, and 12 mi upstream from mouth.
DRAINAGE AREA - 622 mi².
REVISIONS HISTORY - WSP 1850-C: 1966. WDR AZ-88-1: Drainage area.
PERIOD OF RECORD - Apr. 1944 to current year.
GAGE - Water-stage recorder. Datum of gage is 3,673.5 ft above sea level. Oct. 25, 1984, to Mar. 6, 1986, at site 1 mi upstream at datum 24.1 ft higher. Prior to Oct. 25, 1984, at various sites within 1 mi upstream from present site at different datums. Aug. 23, 1950, to Aug. 1, 1981, and since Mar. 6, 1984, supplementary gages at various sites within 1 mi upstream from present site at different datums. Feb. 7, 1993, to July 2, 1993, on right bank at different datum.
REMARKS - Records fair below 100 cfs and poor above. Diversions above station for irrigation of about 500 acres, mostly above Willow Creek. Water from Black River was pumped into Eagle Creek basin, 52 mi upstream from this station, and water was pumped from wells into Eagle Creek near Double Circle Ranch below Willow Creek. Diversion by pumping for industrial and municipal use in and near Morenci and Clifton are made from Eagle Creek, 3 mi downstream from this station and from San Francisco River near Clifton. Monthly quantities diverted are shown in the table below.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 36,800 ft³/s Jan. 18, 1993, on basis of slope-area measurement; minimum, 2.9 ft³/s June 25, 1982.
AVERAGE DISCHARGE FOR PERIOD OF RECORD - 73 years, 60.73 ft³/s, 43,995.7 acre-ft/yr (mean of monthly discharge); median of monthly mean discharges, 36.62 ft³/s, 26,529.3 acre-ft/yr. (unadjusted).