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Water-Year Summary for Site 14187500

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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 44°29'55", long 122°49'20" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.28, T.12 S., R.1 W., Linn County, OR, Hydrologic Unit 17090006, on left bank, 0.1 mi downstream from highway bridge at Waterloo, 2.1 mi upstream from Hamilton Creek and at mile 23.3.
DRAINAGE AREA - 640 mi².
REVISIONS HISTORY - WSP 1248: 1907, 1924-30, 1932.
PERIOD OF RECORD - July 1905 to March 1907, October 1910 to December 1911 (gage heights only January to December 1911), July 1923 to September 2004, October 2004 to September 2006 (seasonal record), October 2006 to current year. Monthly discharge only for some periods, published in WSP 1318. Published as South Fork of Santiam River at Waterloo 1905-07, 1910-11.
GAGE - Water-stage recorder. Datum of gage is 370.39 ft above NGVD of 1929. Prior to Dec. 31, 1911, nonrecording gage at site 0.5 mi downstream at datum about 5.0 ft lower. July 1, 1923 to Nov. 12, 1934, nonrecording gage at present site and datum.
REMARKS - Flow regulated since October 1966 by Green Peter Lake (active capacity, 330,800 acre-ft) and since December 1966 by Foster Lake (active capacity, 33,210 acre-ft). Some diversions upstream from station. Continuous water-quality records for period October 1963 to September 1987 have been collected at this location.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 95,200 ft³/s Dec. 22, 1964, gage height, 24.50 ft; minimum discharge, 61 ft³/s Oct. 12, 1966.