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Water-Year Summary for Site 13058000

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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: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 43°35'00", long 111°44'46" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 sec.16, T.3 N., R.40 E., Bonneville County, ID, Hydrologic Unit 17040205, Poplar quad., on right bank 0.25 mi downstream from Ririe Dam, 3.4 mi southeast of Ririe, and at mile 20.2.
DRAINAGE AREA - 627 mi².
PERIOD OF RECORD - April 1903 to September 1904, October 1916 to September 1925, May to August 1928, October 1962 to September 1979, October 1985 to current year. Monthly discharge only for some periods, published in WSP 1317.
GAGE - Water-stage recorder. Elevation of gage datum is arbitrary. Prior to September 1904, non recording gage at site about 3.25 mi downstream at different datum. October 1916 to June 1921, non recording gage, June 1921 to August 1928, water-stage recorder at present site. October 1962 to September 1979, at site 1.75 mi downstream at different datum. Records comparable.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge since 1899, 5,080 ft³/s Feb. 11, 1962, from estimate based on field survey, gage height, 15.0 ft from floodmarks; stream reported practically dry during summers of 1899 and 1934.
EXTREMES FOR PERIOD OF RECORD - UNREGULATED PERIOD (1903-74): Maximum discharge observed prior to regulation by Ririe Reservoir, 4,200 ft³/s May 15, 1917, gage height, 16.30 ft; minimum daily, 1.2 ft³/s Aug. 12, 1974. REGULATED PERIOD (1975 to current year): Maximum discharge since regulation began in 1975, 2,320 ft³/s May 20, 1975, gage height, 14.07 ft; no flow for long periods most years.