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Water-Year Summary for Site 14092050

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
62614 Elevation, lake/res,(Obs.)  

Water year 2017: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2017
14092050 LAKE BILLY CHINOOK NEAR GRANDVIEW, OR
LOCATION - Lat 44°35'05", long 121°22'15" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.26, T.11 S., R.11 E., Jefferson County, OR, Hydrologic Unit 17070301, on right bank of Metolius River arm of Lake Billy Chinook, 0.8 mi east of Fly Creek and 3.8 mi northwest of Grandview.
DRAINAGE AREA - 7,490 mi², approximately.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2005 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (established by Portland General Electric Co.). Prior to Oct. 1, 2009, datum of gage was reported as NGVD of 1929, but datum was found to be 0.129 ft higher.
REMARKS - Reservoir is formed by rock fill dam completed in June 1964 by Portland General Electric Co. Total capacity, 534,700 acre-ft at elevation 1,945.0 ft (proposed upper limit of operation). Active capacity, 273,900 acre-ft between elevations 1,860.0 ft (proposed lower limit of operation) and 1,945.0 ft. Lake's primary purposes are hydropower, water quality improvement, irrigation, fish and wildlife habitat, recreation, and increasing flows in the upper Deschutes basin.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 1,945.24 ft June 5, 2010; minimum elevation, 1,936.46 ft Nov. 25, 2010.