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Water-Year Summary for Site 15278000

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Available Parameters
00065 Gage height(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
15278000 EKLUTNA LAKE NEAR PALMER, AK
LOCATION - Lat 61°24'39", long 149°07'20" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.18, T.15 N., R.2 E., Municipality of Anchorage, AK, Hydrologic Unit 19020401, (Anchorage B-6 quad), on north shore, 0.7 mi upstream from lake outlet, 12 mi upstream from mouth of Eklutna River, and 14 mi south of Palmer.
DRAINAGE AREA - 119 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1946 to September 1962 (intermittent after January 1955), June 1983 to current year. Intermittent records for the period October 1962 to June 1983 available from Eklutna Hydroelectric Project.
GAGE - Water-stage recorder. Datum of gage is sea level (levels by Alaska Power Administration). Prior to June 1983, non-recording gage at lake outlet at datum of 859.8 ft above sea level.
REMARKS - Lake outlet consists of earth and rockfill dam with uncontrolled spillway crest at an elevation of 871.0 ft a.m.s.l. NGVD29. Prior to 1965, control structure 1400 ft upstream with spillway crest at elevation of 867.5 ft which could be flash-boarded to elevation of 871 ft. Outflow was controlled by the flash boards and sluice gates. Dead storage below elevation of 859 ft. Reservoir is used for power generation and water supply. GOES satellite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 877.68 ft, September 25, 1995; minimum observed, 814.2 ft, June 1, 1962.