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Water-Year Summary for Site 12415135

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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
00060 Discharge(Mean)  

Water year 2020: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 47°21'08", long 116°40'32" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 NE 1/4 sec.11, T.46 N., R.3 W., Benewah County, ID, Hydrologic Unit 17010304, Benewah Lake quad, on left bank, 4 miles northwest of St. Maries in Heyburn State Park, 1 mi upstream from Mission Point, and at mile 7.4.
DRAINAGE AREA - 1,721 mi².
PERIOD OF RECORD - October 2009 to current year.
GAGE - Water-stage recorder, acoustic Doppler velocity meter and crest-stage gage. Datum of gage is 2,100.00 ft above NAVD of 1988.
COOPERATION - Station operated in cooperation with U.S. Environmental Protection Agency.
REMARKS - Elevations are affected by backwater from Coeur d' Alene Lake.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 33,800 ft³/s Mar. 19, 2017; maximum gage height, 35.99 ft, Mar. 21, 2017; Minimum daily discharge, 87 ft³/s Oct. 11, 2015; minimum gage height 21.94 ft, Jan. 25, 2012.