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USGS 13081000 LAKE WALCOTT NR MINIDOKA ID

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 42° 40'15", long 113° 29'00" (NAD27), near center of sec.1, T.9 S., R.25 E., Minidoka County, Lake Walcott West quad., Hydrologic Unit 17040209, on south wall in powerhouse at Minidoka Dam on Snake River, 6 mi southeast of Minidoka, and at mile 675.0.

DRAINAGE AREA.--15,700 mi2, approximately, excluding indeterminate nontributary area on Snake River Plain.

PERIOD OF RECORD.--April 1909 to September 1917 (gage heights only), October 1917 to September 1979, October 1984 to September 1996 (discontinued).

GAGE.--Water-stage recorder. Datum of gage is U.S. Bureau of Reclamation datum, which is 49.52 ft lower than sea level.

REMARKS.--Reservoir is formed by rock-fill dam with concrete core. Storage began in 1906; capacity 107,240 acre-ft between elevations 4,236.00 ft, sill of powerhouse penstock, and 4,246.00 ft, top of flashboards. Dead storage below elevation 4,236.00 ft, about 115,000 acre-ft. Water used for power development and irrigation of Minidoka project of U.S. Bureau of Reclamation. Contents given herin are above elevation 4,236.00 ft. Note: Negative figures indicated storage necessary to fill reservoir to sill of powerhouse.

COOPERATION.--Elevations and capacity table furnished by U.S. Bureau of Reclamation.

EXTREMES FOR PERIOD OF RECORD.--Maximum contents, 110,700 acre-ft Aug. 8, 1922, elevation 4,246.28 ft; minimum elevation, 4,215.00 ft, Nov. 17, 1941, represents dead storage.

 

Available Parameters Period of Record
  
1917-10-01  1996-09-30






 (365)
 

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Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.