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Water-Year Summary for Site 10155000

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

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USGS Water-Year Summary 2021
LOCATION - Lat 40°36'03", long 111°19'51" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 SW 1/4 sec.36, T.2 S., R.5 E., Wasatch County, UT, Hydrologic Unit 16020203, on left bank 0.25 mi downstream of bridge on State Highway 32, 4.5 mi upstream from Ross Creek and Hailstone.
DRAINAGE AREA - 230 mi².
REVISIONS HISTORY - WDR UT-89-1, UT-93-1: Drainage area. Prior to March 19, 2021 the datum of the gage was 6,220 ft above NGVD of 1929, from topographic map.
PERIOD OF RECORD - October 1949 to current year.
GAGE - Water-stage recorder. Datum of gage is 6,198.83 ft. above NAVD of 1988 from a Level II GNSS survey conducted on March 19, 2021. Datum lowered 1.00 ft November 20, 1964. Gage relocated 1.5 mi upstream on April 8, 1993, to a site above the high water line of Jordanelle Reservoir, at different datum.
REMARKS - Records are fair except for estimated discharges, which are poor. Records include flow of Weber-Provo diversion canal and Duchesne Tunnel, a transbasin diversion. Flow also affected by irrigation diversions above station and by storage in several small reservoirs at headwaters. Information on flow of Duchesne Tunnel, and capacities of small reservoirs is available from Provo River Water Commissioner's Report, (total capacity, 10,080 acre-ft). 
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,100 ft³/s, Jun 7, 1986, from rating curve extended above 2,500 ft³/s; gage height, 9.91 ft, from floodmarks at site and datum then in use; maximum gage height, 10.15 ft, Jun 6, 2010; minimum discharge, 6.87 ft³/s, Aug 9, 2018.