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Water-Year Summary for Site 13039000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00054 Reservoir storage(Obs.)  
00065 Gage height(Obs.)  

Water year 2022: 2022-10-01 to 2023-09-30
 

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USGS Water-Year Summary 2022
13039000 HENRYS LAKE NEAR LAKE, ID
LOCATION - Lat 44°35'50", long 111°21'13" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 sec.26, T.15 N., R.43 E., Fremont County, ID, Hydrologic Unit 17040202, Big Springs quad.  At dam on Henrys Fork, and 5.2 mi. south of former Post Office at Lake, Idaho. 
DRAINAGE AREA - 94.3 mi². including 6.2 mi² of Dry Creek basin.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1923 to current year (fragmentary).
GAGE - Water-stage recorder. Elevation of gage datum is 6,457.16 ft above NGVD of 1929 (levels by U.S. Bureau of Reclamation).
REMARKS - Reservoir is formed on natural lake by concrete dam supported by downstream earth-fill dam. Storage began Sept. 21, 1922; dam completed July 1923. Capacity is 90,420 acre-ft. between gage heights 0.00 (low-water level of Henrys Lake prior to construction of dam) and 16.7 ft., top of 4.7 ft. flash boards on spillway. Floodwaters of Dry Creek are diverted into Henrys Lake at times. Water used for irrigation near St. Anthony. Records given herein represent usable contents.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 93,530 acre-ft June 20, 2019, gage height, 17.16 ft;  maximum gage height 17.34 ft. June 22, 2019; minimum observed, 140 acre-ft Nov. 8, 1934, gage height, 0.03 ft.