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Nolichucky Dam - Wikipedia

Coordinates: 36°03′53″N 82°52′00″W / 36.06478°N 82.86653°W

From Wikipedia, the free encyclopedia

Nolichucky Dam
Nolichucky Dam in the 1940s
Location	Greene County, Tennessee, United States
Coordinates	36°03′53″N 82°52′00″W / 36.06478°N 82.86653°W / 36.06478; -82.86653
Dam and spillways
Impounds	Nolichucky River

Nolichucky Dam is a dam on the Nolichucky River near Greeneville, Tennessee, maintained by the Tennessee Valley Authority (TVA).^[1] The dam is located just over 46 miles (74 km) upstream from the mouth of the Nolichucky, and impounds Davy Crockett Lake,^[1]^[2] which extends 6 miles (9.7 km) upstream from the dam.^[2]^[3]

The dam is a concrete gravity overflow type dam 94 feet (29 m) high and 482 feet (147 m) long.^[2]^[3] The dam has an ogee-type spillway with a flashboard crest. Its reservoir, Davy Crockett Lake (named for the folk figure who was born a few miles upstream from the modern dam site in 1786), has roughly 800 acres (320 ha) of water surface.^[3]

Nolichucky Dam was built by the Tennessee Eastern Electric Company (TEEC) in 1912-1913 for hydroelectricity generation.^[4] The dam was initially equipped with two generators, and TEEC added two more in 1923.^[3] In 1941, the East Tennessee Light & Power Company obtained ownership of the dam when it purchased TEEC's assets.^[5] The Tennessee Valley Authority purchased East Tennessee Light & Power in 1945 for a lump sum that included $1.47 million for Nolichucky Dam. TVA made various improvements, and at its height, the dam was capable of producing 10,640 kilowatts of electricity.^[3] TVA used the dam for power generation until 1972, when sediment buildup in Davy Crockett Lake made continued electricity generation impractical.^[2] The dam and reservoir are now used for flood control and recreation;^[1] the reservoir is a wildlife management area.^[2] The continued sediment buildup is resulting in upstream flooding.

Heavy rainfall from Hurricane Helene on September 27, 2024 caused major flooding on the Nolichucky River leading the TVA to issue a Condition Yellow warning that the dam could fail or breach. At 12:13 am on September 28 TVA issued a Condition Red Warning and that a breach or failure is imminent, which would cause life threatening flooding in areas below dam.^[6] The dam did not fail, however the 111 year old powerhouse had to be torn down due to damage from the floodwaters.^[7]

References

^ ^a ^b ^c Nolichucky River, in Tennessee Watersheds - EAST, Tennessee Department of Environment and Conservation website
^ ^a ^b ^c ^d ^e Nolichucky Dam and Davy Crockett Reservoir, Tennessee Valley Authority website
^ ^a ^b ^c ^d ^e Tennessee Valley Authority, Design of TVA Projects Volume3: Mechanical Design of Hydro Plants, Technical Report No. 24 (Washington, D.C.: Tennessee Valley Authority, 1952), 301-302.
^ Tennessee Valley Authority, Nolichucky Reservoir Flood Remediation Environmental Impact Statement. ca. 2001-2002. Retrieved: 21 January 2009. PDF file.
^ Finding Aid for East Tennessee Light and Power Company Records. East Tennessee State University — Archives of Appalachia. Retrieved: 21 January 2009.
^ https://www.wjhl.com/news/local/tva-nolichucky-dam-failure-is-imminent-could-cause-life-threatening-flooding/
^ https://wgrv.com/2024/10/09/power-house-razed-after-flood-damage/

v t e Facilities operated by the Tennessee Valley Authority
Dams and hydroelectric generating stations	Apalachia Bear Creek Beaver Creek Beech Blue Ridge Boone Cedar Cedar Creek Chatuge Cherokee Chickamauga Clear Creek Dogwood Douglas Fontana Fort Loudoun Fort Patrick Henry Great Falls Guntersville Hiwassee Kentucky Little Bear Creek Lost Creek Melton Hill Nickajack Nolichucky Normandy Norris Nottely Ocoee 1 Ocoee 2 Ocoee 3 Pickwick Landing Pin Oak Pine Raccoon Mountain Redbud South Holston Sycamore Tellico Tims Ford Upper Bear Creek Watauga Watts Bar Wheeler Wilbur Wilson
Coal-fired power plants	Allen Bull Run Colbert Cumberland Gallatin John Sevier Johnsonville Kingston Paradise Shawnee Watts Bar Widows Creek Wilson
Gas turbine plants	Allen Brownsville Caledonia Colbert Gallatin Gleason John Sevier Johnsonville Kemper Lagoon Creek Magnolia Marshall Paradise Southaven
Nuclear power plants	Browns Ferry Sequoyah Watts Bar

External links

Wikimedia Commons has media related to Nolichucky Dam.

Nolichucky Dam and Davy Crockett Reservoir — TVA site
Davy Crockett Reservoir ^{[dead link‍]} — Tennessee Wildlife Resources Agency
Archives of Appalachia - East Tennessee Light and Power Company Records

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