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Water-Year Summary for Site 14149000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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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
LOCATION - Lat 43°54'54.56", long 122°45'08.21" referenced to North American Datum of 1983, in SE 1/4 sec.13, T.19 S., R.1 W., Lane County, OR, Hydrologic Unit 17090001, in elevator house at right end of spillway section of dam on Middle Fork Willamette River, 1.5 mi east of Lowell, and at mile 206.9.
DRAINAGE AREA - 991 mi².
PERIOD OF RECORD - November 1953 to September 2003, August 2013 to current year. Prior to October 1971, published as Lookout Point Reservoir near Lowell.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by U.S. Army Corps of Engineers). Nov. 7, 1953 to Dec. 4, 1954, approximate elevations obtained from reference marks and Dec. 5, 1954 to Feb. 4, 1955, nonrecording gage at same site and datum.
COOPERATION - Capacity table furnished by U.S. Army Corps of Engineers.
REMARKS - Reservoir is formed by earthfill dam with concrete gate and spillway section, completed in 1954 by U.S. Army Corps of Engineers. Planned storage began in November 1953. Total capacity is 455,800 acre-ft at elevation 929 ft, and active capacity is 349,200 acre-ft between elevations 819 ft and 929 ft, top of spillway gates. Lakes 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, 464,900 acre-ft Dec. 26, 1964, elevation, 931.09 ft; minimum contents observed since first filling, 91,450 acre-ft Dec. 1, 1954, elevation, 811.00 ft.