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Water-Year Summary for Site 13342450

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

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USGS Water-Year Summary 2021
LOCATION - Lat 46°25'35", long 116°48'22" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4 sec.35, T.36 N., R.4 W., Nez Perce County, ID, Hydrologic Unit 17060306, Lapwai quad., on right bank 30 ft upstream from county road bridge, 0.7 mi downstream from Tom Beall Creek, 1.6 mi north of Lapwai, 1.6 mi south of Spalding, and at mile 1.9.
DRAINAGE AREA - 264 mi².
REVISIONS HISTORY - WDR-US-2010: Drainage area.
PERIOD OF RECORD - Oct. 1974 to Sept. 2003, Dec. 2003 to Sept. 2004, Dec. 2006 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 864.64 ft above NGVD of 1929.
REMARKS - Diversions above station for irrigation of about 1,500 acres.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 4,380 ft³/s January 1965, on basis of slope-area measurement.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,010 ft³/s Feb. 9, 1996, gage height, 9.70 ft, from rating curve extended above 1,500 ft³/s; maximum gage height, 10.22 ft, Feb. 23, 1986; minimum discharge, 0.71 ft³/s Dec. 21, 1990, gage height, 2.39 ft, result of freezup.