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Water-Year Summary for Site 09315000

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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.
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Available Parameters
00010 Temperature, water(Ins.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Ins.,Max.,Mean,Min.)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  

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

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USGS Water-Year Summary 2021
09315000 GREEN RIVER AT GREEN RIVER, UT
LOCATION - Lat 38°59'10", long 110°09'02" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 SW 1/4 sec.15, T.21 S., R.16 E., Emery County, UT, Hydrologic Unit 14060008, on right bank 1,400 ft. upstream from a railroad bridge, 0.9 mi. southeast of town of Green River, UT, 22.7 mi. upstream from the San Rafael River, and at mile 117.6 upstream from mouth.
DRAINAGE AREA - 44,850 mi². of which about 4,260 mi² is noncontributing, including 3,959 mi² in Great Divide Basin in southern Wyoming.
REVISIONS HISTORY - WSP 918: 1895-1899. WDR UT-76-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1894 to October 1899, March 1905 to current year. Published as "at Blake" 1894-99, as "near Elgin" 1911, and as "at Little Valley, near Green River" 1910-23.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 4,040.18 ft above NGVD of 1929. Prior to November 6, 1914, staff, wire-weight, or chain gages at several sites within 7 mi of present site at various datums. November 6, 1914 to June 20, 1924, water-stage recorder at site 7 mi downstream at different datum. June 21 to September 18, 1924, chain gage, and September 19, 1924 to May 7, 1947, water-stage recorder at site 100 ft downstream at present datum. May 8, 1947 to September 7, 1994, water-stage recorder at site 900 ft downstream at present datum.
REMARKS - Records are good except for estimated daily discharges, which are fair. Diversions for irrigation above station. Flow regulated by Flaming Gorge Reservoir (see station 09234400) since November 1, 1962.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 68,100 ft³/s, Jun 27, 1917, gage height, 14.53 ft, site and datum then in use; minimum, 255 ft³/s, Nov 26, 1931; minimum gage height, 4.08 ft, Aug 1, Dec 5, 1934.
WATER-QUALITY RECORDS
PERIOD OF RECORD - August 1928 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: May 1949 to September 1959, October 1964 to September 1981, March 1982 to current year. SPECIFIC CONDUCTANCE: October 1941 to September 1981, March 1982 to current year. SUSPENDED-SEDIMENT DISCHARGE: May 1930 to September 1984.
INSTRUMENTATION - Water-quality monitor April 1985 to September 1989. Observer read water temperature. Observer collected dip samples for lab specific conductance analysis.
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 at USGS Utah Water Science Center, Salt Lake City, Utah.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum observed, 30.0°C, Aug 13, 1958, Jul 5, 6, 8, 12, Aug 5, 2001, Jul 9, 14, 2002, Jul 21, 2003, Jul 22, 2007, Jul 4, 2015, several days during Jul 2018, Aug 2 and Aug 4, 2020; minimum observed, 0.0°C, on many days during winter period each year. SPECIFIC CONDUCTANCE: Maximum observed, 3,250 microsiemens/cm, Dec 1, 1967; minimum observed, 240 microsiemens/cm, Jun 3, 2014. SEDIMENT CONCENTRATIONS: Maximum daily mean, 66,000 mg/L, Jul 11, 1936; minimum daily, 19 mg/L, Sep 30, 1974. SEDIMENT LOADS: Maximum daily, 2,230,000 tons, Jul 11, 1936; minimum daily, 54 tons, Sep 27, 1956.