USGS Water-Year Summary 2020
14312450 DIAMOND LAKE NEAR DIAMOND LAKE, OR
LOCATION - Lat 43°11'08", long 122°09'56" referenced to North American Datum of 1927, Douglas County, OR, Hydrologic Unit 17100301, T. 27 S., R. 6 E., Umpqua National Forest, at shore of lake and near mouth of Lake Creek canal.
DRAINAGE AREA - 53.9 mi². revised.
PERIOD OF RECORD - October 1971 to September 1977, November 2005 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (U.S. Forest Service bench mark). October 1971 to September 1977, at site on south shore of lake at different datum.
COOPERATION - Capacity table furnished by Oregon Department of Fish and Wildlife.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 80,040 acre-ft Dec. 5, 2012, elevation, 5,184.56 ft; minimum contents recorded, 52,940 acre-ft (estimate), Aug. 16, 2006, elevation, 5,175.37 ft, but may have been lower during period of missing record Aug. 18 to Oct. 25, 2006.