|Location||Garland and Montgomery counties, Arkansas|
LAKE OUACHITA Latitude and Longitude:
|Primary inflows||Ouachita River|
|Primary outflows||Ouachita River|
|Basin countries||United States|
|Surface area||40,000 acres (16,000 ha)|
|Average depth||Avg 50 ft (15 m)|
|Max. depth||200 ft (61 m)|
|Shore length1||690 mi (1,110 km)|
|Frozen||Does not freeze|
|1 Shore length is not a well-defined measure.|
Blakely Mountain Dam was built by the United States Army Corps of Engineers from 1948 to 1953 for hydroelectric power, recreation, water supply and wildlife conservation.  The dam is 231 feet tall, 1,100 feet long at the crest, and is capable of 75 megawatts. 
The lake is located near Hot Springs, Arkansas. Lake Ouachita is the largest lake completely in Arkansas, as the larger[ citation needed] Bull Shoals Lake extends into Missouri. Lake Ouachita has over 690 miles (1,110 km) of shoreline and over 66,324  acres (26,840 ha) of water. It is completely surrounded by the Ouachita National Forest. Lake Ouachita is located near two other lakes, Lake Hamilton and Lake Catherine. These three lakes, DeGray Lake to the near south, and the thermal springs of Hot Springs National Park make Hot Springs a popular tourist getaway.
Largemouth Bass, Small Mouth Bass, Spotted Bass, Bream, Crappie, Catfish, Walleye and world class Trophy Striped Bass await the angler. Lake Ouachita is known as the Striped Bass Capital of the World. Lake Ouachita has many unusual features. One feature by the Corps of Engineers is the Geo-Float Trail, a marked trail which can be followed with a brochure which details prominent geologic features along the route.
Scuba divers from all over the world enjoy the underwater experience as well as the special spear fishing season. The original purpose of Lake Ouachita was flood control and hydroelectricity.
Another topic of debate is the vegetation that covers 10% of the lake. Lake Ouachita's vegetation is being addressed by the U.S. Army Corps of Engineers, the Arkansas Game and Fish Commission, and the Lake Ouachita Association to control the hydrilla and Eurasian watermilfoil. The goal of the project is to contain and reduce — not to eradicate — the vegetation, since the presence of aquatic vegetation in moderate amounts is beneficial to the lake's fishery. Treatment will be concentrated on high recreational use areas, such as swimming beaches, around marinas and popular boating areas. Areas of the lake containing good fishery habitat will not be treated.
LAKE OUACHITA INFORMATION
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