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Water-Year Summary for Site 09402000

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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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  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  
80154 Suspnd sedmnt conc(Mean)  
80155 Suspnd sedmnt disch(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 35°55'35", long 111°34'00" referenced to North American Datum of 1927, in NW 1/4 sec.05, T.29 N., R.8 E., Coconino County, AZ, Hydrologic Unit 15020016, in Navajo Indian Reservation, on left bank 3 mi downstream from Coconino damsite, 9.5 mi downstream from Moenkopi Wash, 9.5 mi northwest of Cameron, and 45 mi upstream from mouth.(unsurveyed).
DRAINAGE AREA - 26,459 mi² of which 368 mi² probably is noncontributing.
REVISIONS HISTORY - WDR AZ-03-1: 2002(M). WDR AZ-88-1: Drainage area.
PERIOD OF RECORD - June 1947 to current year.
GAGE - Water-stage recorder. Datum of gage is 3,979.2 ft above sea level.
REMARKS - Records fair except for estimated daily discharges, which are poor. Diversions above station for irrigation of about 32,000 acres. Some regulation by reservoirs above station (combined capacity of principal reservoirs, about 135,000 acre-ft).
EXTREMES OUTSIDE PERIOD OF RECORD - A discharge of about 120,000 ft³/s occurred on Sept. 19 or 20, 1923, based on discharge at Grand Falls.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 24,900 ft³/s, Jan. 21, 1952, gage height, 20.7 ft; minimum daily, no flow at times in each year.
PERIOD OF RECORD - PERIOD OF RECORD.--October 1956 to September 1970, October 1989 to current year.
INSTRUMENTATION - Automatic ISCO sediment sampler operating from September 1990 to current year.
REMARKS - Suspended-sediment discharge computed from sample data and by interpretation of a sample based suspended-sediment and streamflow discharge curve. Record for days when instantaneous discharge exceeds 30 ft³/s from September 1990 to current year.