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Water-Year Summary for Site 14187500

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
63680 Turbidity, Form Neph(Max.,Min.,Med.)  

Water year 2023: 2022-10-01 to 2023-09-30
 

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USGS Water-Year Summary 2023
14187500 SOUTH SANTIAM RIVER AT WATERLOO, OR
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.
SURFACE-WATER RECORDS
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.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: October 1963 to September 1987, August 2001 to September 2003, October 2019 to current year.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 26.0°C Aug. 4, 1966; minimum, 1.5°C Dec. 18-20, 1965, Feb. 1, 2, 1979.