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Beaver Lake
Beaver Lake
	Beaver Lake Beaver Lake
Location	Ozark Mountains, ; Benton / Carroll / Washington County, Arkansas / United States
Coordinates	36°25′16.62″N 93°50′51.42″W / 36.4212833°N 93.8476167°W
Lake type	reservoir
Primary outflows	White River
Basin countries	United States
Max. length	50 mi (80 km)
Surface area	31,700 acres (12,800 ha)
Shore length1	483 mi (777 km)
Surface elevation	1,120 ft (340 m)
Settlements	Rogers, Arkansas; Eureka Springs, Arkansas
	1 Shore length is not a well-defined measure.

Beaver Lake is a man-made reservoir in the Ozark Mountains of Northwest Arkansas and is formed by a dam across the White River. Beaver Lake has some 487 miles (784 km) of shoreline. With towering limestone bluffs, natural caves, and a wide variety of trees and flowering shrubs, it is a popular tourist destination. Beaver Lake is the source of drinking water in Northwest Arkansas, which is managed, treated and sold by Beaver Water District, serving more than 450,000 customers. One out of 7 people in Arkansas get their drinking water from Beaver Lake.^[1]

Beaver Dam

Beaver Dam was authorized by the Flood Control Act of 1944 and other following acts. The United States Army Corps of Engineers constructed Beaver Dam during the years 1960–1966, impounding a major part of the White River and creating Beaver Lake and flooding much of the valley including the remains of the historic resort town Monte Ne. The dam is located 9 miles (14 km) northwest of Eureka Springs, Arkansas. Construction of the powerhouse and switch yard began in 1963. Power generation began in May 1965 and continues today. The initial cost of the project was $60 million. The lake is approximately 50 miles (80 km) in length and covers approximately 31,700 acres (128 km²), with about 483 miles (777 km) of shoreline and an elevation of 1,120 feet (341 m).^[2]^[1] This is also the first dam in the tailwater chain to provide cold water fishery along the White River.^[3]

Recreation

The Army Corps of Engineers has also constructed a variety of recreational facilities around the lake.^[4] Paved access roads wind through twelve developed parks. These parks have modern campsites offering electricity and fire rings with drinking water, showers, and restrooms nearby. Other facilities, such as picnic sites, swimming beaches, hiking trails, boat launching ramps, and sanitary dump stations are also available in the parks. There are 12 recreation areas with 677 campsites along with 7 full-service commercial marina concessions, which hold 1,750 rental slips. There are 9 limited motel / resort leases and 28 boat ramps licensed to County or State. There are 8 national bass tournaments per year and many other fishing tournaments. There are 3.1 million visitors annually.^[2]

The Hobbs State Park-Conservation Area (formerly known as the Beaver Lake State Park) is the only State Park in Benton County, Arkansas.

Geography

The majority of Beaver Lake is located in Benton County. The dam itself is located in west Carroll County. Parts of the lake extend into Washington County and Madison County.

U.S. Route 62 runs along the north and west sides of Beaver Lake.

Hydropower

The powerplant operates two main 56 MW turbines in one house unit. Total power generation capacity is 6,347,345 MWh. The revenue from power generation is returned to the US federal government to pay for the purchase price of the dam. Unit 2 of the hydropower complex has been offline since 2016.^[5] Both hydropower units are currently undergoing stator rewind and other rehabilitation by Andritz Hydro Corp for $14.6M and as of Mar. 2023 scheduled to be back online by Nov. 7, 2023.^[6]

Flood control

Beaver Lake is the first of several flood control lakes on the White river watershed. Beaver Lakes holds back flood water from Table Rock Lake. The estimated flood damages prevented in 2007 are $1.3 million. Since its creation, the Beaver Lake is estimated to have prevented $52.5 billion in damage.