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Water-Year Summary for Site 14305500

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Available Parameters
00060 Discharge(Mean)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
14305500 SILETZ RIVER AT SILETZ, OR
LOCATION - Lat 44°42'55", long 123°53'10" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.11, T.10 S., R.10 W., Lincoln County, OR, Hydrologic Unit 17100204, on right bank, 1.8 mi downstream from Baker Creek, 1.5 mi east of Siletz and at mile 42.6.
DRAINAGE AREA - 202 mi².
REVISIONS HISTORY - WSP 1935: 1943, 1947-49(M), 1953-58(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1905 to December 1908, January to December 1909 (monthly discharge only, published in WSP 1318), January 1910 to November 1911, January to April 1912, January to May 1924, December 1924 to current year.
GAGE - Water-stage recorder. Datum of gage is 102.32 ft above NGVD of 1929. Oct. 1, 1905 to Sept 30, 1938, nonrecording gage at various sites within 2.5 mi downstream at different datums.
REMARKS - Slight regulation from logponds. Small diversions for irrigation upstream from station. Continuous water-quality records for period February 1972 to September 1985 have been collected at this location.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Nov. 20, 1921, reached a stage of 31.6 ft, at site 2.5 mi downstream at different datum, from floodmark, discharge, 40,800 ft³/s, from rating curve extended above 17,000 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 53,800 ft³/s Nov. 26, 1999, gage height, 28.62 ft, from rating curve extended above 22,700 ft³s on basis of slope-area measurement of peak flow; minimum discharge, 42 ft³/s Sept. 5, 6, 2003.