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Water-Year Summary for Site 13140800

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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.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 43°19'45", long 114°19'09" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NE 1/4 sec.21, T.1 S., R.18 E., Blaine County, ID, Hydrologic Unit 17040219, Magic Reservoir East quad., on right bank, at upstream end of Mahoney Flat, 2.8 mi upstream from maximum flow line of Magic Reservoir, 4.1 mi upstream from Camas Creek, 9.5 mi southwest of Bellevue, and at mile 77.0 of Hwy 20.
DRAINAGE AREA - 748 mi².
PERIOD OF RECORD - September 1996 to current year. Records from July 1911 to September 1996, (no winter records prior to Oct. 1943, except water years 1916, 1921-22, 1940-41) at downstream site published as "near Bellevue" (sta 13141000) are not equivalent because of inflow between sites.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage datum is arbitrary. Dec. 2, 2016 to July 17, 2018, at site 500 ft upstream at same datum.
REMARKS - Diversions above station for irrigation of about 21,800 acres, of which about 400 acres are irrigated by withdrawals from ground water (1966 determination). Storage above station is negligible.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 5,450 ft³/s May 21, 2006; minimum daily, 6.6 ft³/s Mar. 4-6, 2003.
PERIOD OF RECORD - Continuous water temperature data were collected from May 13 to September 24, 2014.
REMARKS - Numerical uncertainty is not currently computed for time-series water-quality records but qualitative ratings are provided based on professional judgment.
  • Water Year 2014: Records good. The temperature sensor was installed as part of a baseline study on water-quality and biological conditions on May 13, 2014 and removed indefinitely on September 24, 2014. 100% of the daily values will be reported between May 14 and September 23, 2014. No daily values are estimated.