| |
LOCATION.--Lat 44° 35'50", long 111° 21'13", in SW1/4 NW1/4 sec.26,
T.15 N., R.43 E., Fremont County, Hydrologic Unit 17040202, at dam on Henrys Fork,
5.2 mi south of former Post Office at Lake, Idaho.
DRAINAGE AREA.--99.0 mi2, including 6.2 mi2 of Dry Creek basin.
PERIOD OF RECORD.--June 1923 to current year (fragmentary).
REVISED RECORDS.--WDR Idaho 1982: 1981 (contents).
GAGE.--Datum of gage is 6,457.16 ft above NGVD of 1929 (levels by U.S. Bureau of
Reclamation). Prior to June 28, 1978, nonrecording gage at same site and datum.
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 flashboards 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.
COOPERATION.--Capacity table and occasional reservoir elevations provided
by North Fork Reservoir Co.
EXTREMES FOR PERIOD OF RECORD.--Maximum contents observed, 92,300 acre-ft
June 4, 1981, July 10, 11, 1983, gage height, 16.98 ft;
minimum observed, 140 acre-ft Nov. 8, 1934, gage height, 0.03 ft.
Station operated in cooperation with Water District No.1.
|
|
