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Hartwell Lake

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Parent: Savannah River Hop 5
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Hartwell Lake
NameHartwell Lake
LocationHart County, Georgia; Anderson County, South Carolina; Oconee County, Georgia; Lincoln County, Georgia
TypeReservoir
InflowSavannah River
OutflowSavannah River
Basin countriesUnited States
Area56,000 acres
Max-depth186 ft
Built1962–1963
OperatorUnited States Army Corps of Engineers

Hartwell Lake is a large reservoir on the Savannah River straddling the border of Georgia (U.S. state) and South Carolina. Constructed and operated by the United States Army Corps of Engineers in the early 1960s, the lake serves multiple purposes including flood control, hydroelectric power, recreation, and water supply. Its creation involved extensive coordination among federal agencies, state governments, local counties, and utility companies.

History

The project originated from proposals tied to the Flood Control Act of 1944 and later authorizations under the River and Harbor Act of 1950, developed by the U.S. Army Corps of Engineers and influenced by planning from the Tennessee Valley Authority model and recommendations from the Federal Power Commission. Construction began after land acquisition negotiations involving the National Park Service and state agencies in Georgia (U.S. state) and South Carolina. The dam and reservoir were completed during the administrations of John F. Kennedy and Lyndon B. Johnson, with dedication ceremonies that included officials from the Department of the Interior and state governors from Georgia and South Carolina. The project required relocation efforts coordinated with county authorities in Hart County, Georgia, Anderson County, South Carolina, Oconee County, Georgia, and Hart County, Georgia’s neighboring jurisdictions, and involved utility partners like Georgia Power Company and regional water districts tied to the Savannah River Basin. Legal and environmental reviews referenced precedents set by cases involving the Tennessee Valley Authority and federal land policies under the Reclamation Act of 1902.

Geography and Hydrology

The reservoir impounds the Savannah River just upstream of its confluence with tributaries such as the Tugaloo River and the Little River (Oconee River tributary). The lake spans shoreline along counties that include Hart County, Georgia, Anderson County, South Carolina, Oconee County, Georgia, and nearby Elbert County, Georgia and Banks County, Georgia. Regional hydrology connects to larger basins influenced by the Atlantic Seaboard Fall Line and the Blue Ridge Mountains watershed. The dam is located near the city of Hartwell, Georgia and the town of Lavonia, Georgia, while downstream urban centers such as Augusta, Georgia, Greenville, South Carolina, Spartanburg, South Carolina, and Columbia, South Carolina rely on coordinated water management. Seasonal discharge patterns respond to storms associated with systems like Hurricane David and Hurricane Hugo historically, and hydrologic modeling uses data frameworks compatible with the National Weather Service and the United States Geological Survey. Navigation and lake stage are managed relative to parameters used by agencies such as the Federal Energy Regulatory Commission for reservoir operations.

Ecology and Wildlife

The reservoir and surrounding lands support ecosystems typical of the Upper Coastal Plain and Piedmont (United States) interfacing zones, including mixed hardwood-pine forests with species also present in Chattahoochee–Oconee National Forest tracts. Aquatic habitats host populations of sport fish including Largemouth bass, Striped bass, Spotted bass, and Bluegill, and attract migratory waterfowl along the Atlantic Flyway such as Canada goose and Wood duck. Riparian corridors provide habitat for mammals like White-tailed deer, Raccoon, North American river otter, and occasional sightings of Bobcat. Amphibian and reptile communities overlap with species documented in regional surveys by institutions such as the University of Georgia and the South Carolina Department of Natural Resources. Conservation concerns mirror those in other southeastern reservoirs, including invasive species management related to Hydrilla verticillata and Asian carp groups, and water quality influenced by agricultural runoff in the Savannah River Basin.

Recreation and Facilities

Recreational amenities around the reservoir are managed through cooperation among the U.S. Army Corps of Engineers, state parks like Sadlers Creek State Park, local marinas, and county recreation departments in Hart County, Georgia and Anderson County, South Carolina. Facilities support boating, fishing tournaments sanctioned by organizations such as the Bass Anglers Sportsman Society (B.A.S.S.) and the Outdoor Writers Association of America, camping at USACE campgrounds, hiking on trails linked to local conservation areas, and swimming at municipal beach areas. Nearby attractions include sites connected to Appalachian Trail access corridors and historical museums in Hartwell, Georgia and Anderson, South Carolina. Economic impacts involve tourism promotion by regional bodies like the Georgia Department of Economic Development and the South Carolina Department of Parks, Recreation & Tourism.

Management and Conservation

Management is led by the United States Army Corps of Engineers with input from the South Carolina Department of Natural Resources, the Georgia Department of Natural Resources, and watershed groups such as the Savannah River Basin Association. Cooperative agreements include municipal water suppliers in Augusta, Georgia and interagency planning with the Environmental Protection Agency and the U.S. Fish and Wildlife Service for habitat restoration projects. Conservation initiatives have aligned with federal programs under the Clean Water Act and state-level monitoring coordinated with the United States Geological Survey and academic partners like Clemson University. Stakeholder engagement involves county commissions, regional planning commissions, and nonprofit organizations focused on river stewardship.

Infrastructure and Flood Control

The dam, hydroelectric installations, and auxiliary spillways were engineered by the U.S. Army Corps of Engineers with electrical interconnections to regional grids operated by entities including Southern Company affiliates and local municipal utilities. The reservoir functions as a major flood-control project in the Savannah River Basin, mitigating flood risk for downstream cities such as Augusta, Georgia and supporting water supply resilience for industrial users and military installations including Fort Gordon. Infrastructure maintenance is coordinated with federal funding mechanisms and disaster response frameworks like those administered by the Federal Emergency Management Agency during high-flow events. Long-term planning addresses climate projections used by the National Oceanic and Atmospheric Administration and modeling standards from the Intergovernmental Panel on Climate Change to adapt flood control and reservoir operations.

Category:Reservoirs in Georgia (U.S. state) Category:Reservoirs in South Carolina