Lake Harding, also known as Bartlett's Ferry Lake, is a 5,850-acre (23.7 km2) reservoir on the Chattahoochee River.The lake is formed by Bartlett's Ferry Dam, and the lake is located in Harris County, Georgia with some portions of the lake going into Alabama. Lake Harding is a deep lake with a depth of over 100 feet (30 m) at the dam itself.The lake was originally built by the Columbus Power Company in 1926 to generate hydroelectric power.