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Water-Year Summary for Site 14155000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
62614 Elevation, lake/res, NGVD29(Obs.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
14155000 DORENA LAKE NEAR COTTAGE GROVE, OR
LOCATION - Lat 43°47'10", long 122°57'15" referenced to North American Datum of 1927, Lane County, OR, Hydrologic Unit 17090002, on left end of Dorena Dam on Row River, 5.0 mi east of Cottage Grove, and at mile 7.61.
DRAINAGE AREA - 265 mi².
REVISIONS HISTORY - WRD OR-78-1: 1969.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1949 to September 2003, October 2014 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (level by U.S. Army Corps of Engineers).
COOPERATION - Capacity table furnished by U.S. Army Corps of Engineers.
REMARKS - Reservoir is formed by earthfill dam with concrete outlet and spillway, completed in 1949 by U.S. Army Corps of Engineers; controlled storage began Oct. 11, 1949. Capacity, 77,580 acre-ft between elevations 739.0 ft, sill of outlet gates, and 835.0 ft, crest of spillway. Dead storage, 18 acre-ft below elevation 739.0 ft. Lake's primary purposes are flood risk management, water quality improvement, irrigation, fish and wildlife habitat, recreation, and improved navigation. Month-end contents and change in contents discontinued in water year 2014.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 95,550 acre-ft Dec. 23, 1964, elevation, 844.03 ft; minimum contents observed since filling, 159 acre-ft Dec. 14, 1970, elevation, 743.60 ft.