Blakely Mountain Dam Construction began in 1948
and ended
in 1953
when the gates where closed,
creating Lake Ouachita.
Blakely Dam is 231 feet high and 1100 feet wide.
The lake level is 578' feet above sea level. If the level reaches 592'
the water would flow
through an emergency 200 foot wide spillway one mile west
of the dam and then into Lake Hamilton.
Releasing water from Lake Ouachita
Click to enlarge
This has never happened
since the gates where closed in 1953
however in December 1982 - January
1983, the lake did reach 591.2 feet,
just .8 of a foot short of going
through the spillway.
Blakely Dam Under Construction
The lake averages about 50 feet in depth with the deepest
area approx. 200 feet.
The public area of Lake Ouachita covers 82,000 acres.
At 578 feet, 40,100 acres
is covered by the lake creating a shoreline of 690 miles.
At 592 ft Lake Ouachita has a 975 mile shoreline and and 48,300 acres of
water.
The hills that surround Lake Ouachita range up to 1,350'.
Lake Ouachita is located in Garland and Montgomery Counties,
Arkansas,
13 miles west of
Hot Springs,
Arkansas.
The Corps of Engineers plans to install a
new monitoring system to keep an eye on seepage at Blakeley Mountain Dam.
The monitoring system is part of the analysis and response to the 2005
inspection within the overall dam safety program.
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