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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
14180500 DETROIT LAKE NEAR DETROIT, OR
LOCATION - Lat 44°43'19.42", long 122°15'00.21" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 sec.07, T.10 S., R.5 E., Marion County, OR, Hydrologic Unit 17090005, in control house near right abutment of Detroit Dam on North Santiam River, 4.9 mi west of Detroit, and at mile 60.9.
DRAINAGE AREA - 437 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1953 to September 2003, July 2013 to current year. Prior to October 1971, published as Detroit Reservoir near Detroit.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by U.S. Army Corps of Engineers).
COOPERATION - Capacity table furnished by U.S. Army Corps of Engineers.
REMARKS - Reservoir is formed by concrete, gravity-type dam with gated spillways. Length of dam is 1,580 ft, built by U.S. Army Corps of Engineers. Storage began in January 1953. Total capacity is 455,100 acre-ft and active capacity is 340,100 acre-ft between elevations 1,425.0 ft, proposed lower limit of operation, and 1,569.0 ft, top of spillway gates. Lake's primary purposes are flood risk management, hydropower, water quality improvement, irrigation, fish and wildlife habitat, recreation, and improved navigation. Month-end contents and change in contents discontinued water year 2014.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 457,900 acre-ft July 13, 1972, elevation, 1,569.79 ft; minimum contents, 115,500 acre-ft Jan. 30, 1969, elevation, 1,425.37 ft; minimum elevation, 1423.83 ft Dec. 31, 2019.
