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Water-Year Summary for Site 12191600

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Available Parameters
62615 Elevation, lake/res, NAVD88(Obs.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
12191600 BAKER LAKE AT UPPER BAKER DAM NEAR CONCRETE, WA
LOCATION - Lat 48°38'58", long 121°41'22" referenced to North American Datum of 1927, in SW 1/4 sec.31, T.37 N., R.9 E., Whatcom County, WA, Hydrologic Unit 17110005, at upper Baker Dam on Baker River near center of dam, 0.3 mi upstream from Sulphur Creek, 8.0 mi north of Concrete, and at mile 9.3.
DRAINAGE AREA - 215 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1959 to current year.
GAGE - Water-stage recorder. Datum of gage is NAVD of 1988. Prior to Oct. 1, 2004, datum of gage was 3.77 ft higher at NGVD of 1929.
REMARKS - Reservoir is formed by concrete gravity dam, completed in June 1959; storage began July 9, 1959. Usable storage, 212,995 acre-ft, between elevations 658.77 ft, minimum operating pool, and 727.77 ft, normal full pool. Dead storage below elevation 658.77 ft, 67,809 acre-ft. Crest of spillway is at elevation 697.77 ft. Water is used by Puget Sound Energy for power generation. Capacity table to datum of NAVD of 1988 prepared and furnished by Puget Sound Energy on the basis of a resurvey of the lake bed. Figures given herein represent total contents. U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 287,930 acre-ft, July 12, 1972, elevation, 728.26 ft, present datum; minimum contents since normal operating level was reached in Aug. 1960, 100,658 acre-ft, Mar. 9, 2011, elevation, 677.76 ft, present datum.