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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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USGS Water-Year Summary 2024
13108150 SALMON FALLS CREEK NEAR HAGERMAN, ID
LOCATION - Lat 42°41'47", long 114°51'19" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 SE 1/4 sec.30, T.8 S., R.14 E., Twin Falls County, ID, Hydrologic Unit 17040213, Thousand Springs quad., on left bank 50 ft downstream from U.S. Highway 30, at mile 1.9, and 8.5 mi south of Hagerman.
DRAINAGE AREA - 2,180 mi².
REVISIONS HISTORY - WDR-US-2010: Drainage area. The gage height for measurements 415-418 were revised on Apr. 19, 2019, based on a datum correction.
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1970 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage datum is arbitrary.
REMARKS - Flow completely regulated by Salmon River Canal Co. reservoir 44 mi upstream (see station 13106500). Flow below the dam is derived from leakage past the dam and return flow from adjacent land. Several diversions, by pumping from the left bank below the dam, are used for irrigation. Flow past gage is partially regulated during irrigation season by small diversion dam 0.9 mi upstream. Salmon River Canal Co. reservoir spilled into Salmon Falls Creek May 11 to June 29, 1984, Apr. 22-30, 1985, and May 13-24, 2017, the only times since construction of the dam in 1910.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,500 ft³/s May 16, 1984, gage height, 18.14 ft, on basis of contracted opening measurement of peak flow, result of roadfill collapse approximately 13 mi upstream. Maximum discharge excluding 1984, 3,390 ft³/s Jan. 12, 1979, gage height, 9.60 ft; minimum, 5.8 ft³/s July 9, 1977, gage height, 2.51 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.
