USGS Water-Year Summary for Site 09302000

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)

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

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USGS Water-Year Summary 2023

09302000 DUCHESNE RIVER NEAR RANDLETT, UT

LOCATION - Lat 40°12'37", long 109°46'53" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 NW 1/4 sec.21, T.3 S., R.2 E., Uintah County, UT, Hydrologic Unit 14060003, Uintah and Ouray Indian Reservation, on right bank 0.5 mi downstream from Uinta River, 2.0 mi southeast of Randlett, and about 7 mi southeast of Fort Duchesne.

DRAINAGE AREA - 3,790 mi².

REVISIONS HISTORY - WDR UT-78-1: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1942 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 4,746.96 ft. above NAVD of 1988 from a Level II GNSS survey conducted on August 31, 2021. Prior to June 21, 2004, gage was located approximately 0.4 mile upstream at several different sites and datums.

REMARKS - Records generally good except for estimated discharges, which are generally poor. Flow regulated by several reservoirs. Large diversions above station for irrigation, including transbasin diversions to the Great Basin through Duchesne and Strawberry Tunnels, Hobble Creek ditch, Strawberry River, and Willow Creek Ditch.

EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 11,500 ft³/s, Jun 20, 1983 at site and datum then in use; maximum gage height, 14.49 ft, July 1, 2011; minimum daily discharge, 0.78 ft³/s, Aug 21, 2002.

WATER-QUALITY RECORDS

PERIOD OF RECORD - December 1950 to September 1951, November 1956 to current year.

PERIOD OF DAILY RECORD - WATER TEMPERATURE: December 1950 to September 1951, November 1956 to September 1978, October 1979 to September 1980, June 1981 to current year. SPECIFIC CONDUCTANCE: December 1950 to September 1951, November 1956 to September 1980, June 1981 to current year. SUSPENDED SEDIMENT: April-July 2006, April-June 2007, and April-July 2008.

INSTRUMENTATION - Water temperature logger from April 1999 to October 2008. Multiparameter probe with water temperature and specific conductance from October 2008 to current year.

REMARKS - Unpublished daily records of specific conductance obtained before water year 1965 were included in the determination of extremes for period of daily record and are available in files at USGS Utah Water Science Center, Salt Lake City, Utah. Quality of data for specific periods can be obtained by contacting the Utah Water Science Center.

EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 32.3°C, Jul 18, 2003; minimum, -0.1°C, many days most years. SPECIFIC CONDUCTANCE: Maximum observed, 4,490 microsiemens/cm, Aug 24, 1960; minimum, 146 microsiemens/cm, Sep 29, 2014. SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 595 mg/L, May 15, 2007; minimum daily mean, 34 mg/L, Jul 2, 3, 2006. SUSPENDED-SEDIMENT LOAD: Maximum daily, 3,730 tons, Jun 11, 2006; minimum daily, 4.8 tons, Jul 18, 2006.