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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
14308995 GALESVILLE RESERVOIR NEAR AZALEA, OR
LOCATION - Lat 42°50'56", long 123°10'40" referenced to North American Datum of 1927, in NE 1/4 sec.28, T.31 S., R.4 W., Douglas County, OR, Hydrologic Unit 17100302, on upstream face of Galesville dam, to right side of spillway section, 1.2 mi downstream from McGinnis Creek, 5.6 mi northeast of Azalea and at mile 60.2.
DRAINAGE AREA - 74.3 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1985 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by Douglas County).
COOPERATION - Capacity table furnished by Douglas County Public Works Department.
REMARKS - Reservoir is formed by a roller compacted concrete dam; storage began Oct. 7, 1985. Capacity, 42,220 acre-ft between elevations 1,780.0 ft (bottom of evacuation outlet) and 1,881.5 ft (crest of spillway). Dead storage, 1,800 acre-ft below elevation 1,780.0 ft. Reservoir's purposes are flood risk management, hydropower, irrigation, fisheries enhancement, and recreation. Month-end contents and change in contents discontinued water year 2014.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 43,230 acre-ft Jan. 2, 3, 1997, elevation, 1,883.62 ft; minimum contents, 7,240 acre-ft Jan. 9, 10, 1991, elevation, 1,805.03 ft.
