USGS Water-Year Summary for Site 13094000

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)

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

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USGS Water-Year Summary 2023

13094000 SNAKE RIVER NEAR BUHL, ID

LOCATION - Lat 42°39'57", long 114°42'44" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.09, T.9 S., R.15 E., Twin Falls County, ID, Hydrologic Unit 17040212, Niagara Springs quad., on left bank 2 mi downstream from Niagara Springs, 3.8 mi upstream from outlet of Clear Lakes, 6 mi northeast of Buhl, and at mile 596.8.

DRAINAGE AREA - 22,990 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - December 1946 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,951.9 ft above NGVD of 1929 (stadia levels). Dec. 12, 1946 to July 13, 1965, at datum 1.00 ft higher. Prior to Jan. 17, 1947, nonrecording gage 40 ft upstream.

REMARKS - Flow regulated by American Falls Reservoir 116.8 mi upstream. Diurnal fluctuation caused by hydroelectric plants upstream. No diversions except by small ranch ditches between this station and station at Milner, where at times practically entire flow is diverted during irrigation seasons. Diversions above station for irrigation of about 2,030,000 acres, of which about 542,000 acres are irrigated by withdrawals from ground water; about 230,000 acres are irrigated below station. In addition, about 26,000 acres are irrigated above station by diversions from Salmon Falls Creek. Considerable water leaks into the Snake River Plain aquifer upstream, some of which returns above the station.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 37,100 ft³/s June 22, 1997, gage height, 14.65 ft; minimum, 1,180 ft³/s Apr. 5, 2014, gage height, 0.44 ft.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Continuous water temperature data were collected from March 2016 to September 2018 (discontinued).

REMARKS - Numerical uncertainty is not currently computed for time-series water-quality records but qualitative ratings are provided based on professional judgment.

Water Year 2016: Records good.

Water Year 2017: The practice of using qualitative ratings to describe data accuracy was discontinued in water year 2017.