USGS Water-Year Summary for Site 13093383

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	Available Parameters
	00010 Temperature, water(Min.,Max.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Mean,Min.)
	00300 Dissolved oxygen(Min.,Mean)
	00400 pH(Med.,Min.,Max.)
	32295 fDOM, water, in situ(Max.,Med.,Min.)
	63680 Turbidity, Form Neph(Med.,Min.,Max.)

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Water year 2025: 2025-10-01 to 2026-09-30

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USGS Water-Year Summary 2025

13093383 Snake River at Pigeon Cove nr Twin Falls, ID

LOCATION - Lat 42°39'06.56", long 114°37'43.51" referenced to North American Datum of 1983, in sec.18, T.9 S., R.16 E., Gooding County, ID, Hydrologic Unit 17040212, on right bank approximately 1.0 mi upstream of Crystal Springs, and 7.6 mi northeast of Buhl.

DRAINAGE AREA - 22,830 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - December 2019 to current year.

GAGE - Water-stage recorder and crest-stage gage. Gage datum is 2888.60 ft above NAVD88. Prior to Oct. 14, 2020 at site 300 ft downstream on left bank at same datum.

REMARKS - Flow regulated by American Falls Reservoir 112.3 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, 13,100 ft³/s, May 6, 2024, gage height, 102.98 ft; minimum discharge, 590 ft³/s, Apr. 6, 2023, gage height, 94.17 ft.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

Chemical analysis October 2020 to January 2024.

Continuous monitoring October 2020 for Water Temperature, Specific conductance, pH, Dissolved Oxygen, Turbidity, fDOM, fChl, and fCP to January 2024.

REMARKS - The practice of assigning qualitative accuracy ratings to continuous water-quality data was discontinued in WY2017.