Watts Bar Dam is a hydroelectric dam located on the Tennessee River in Tennessee, USA. Completed in 1942, it was built by the Tennessee Valley Authority (TVA) to provide electricity, flood control, and recreational opportunities. The dam creates Watts Bar Lake, which spans approximately 39,000 acres and offers various activities such as fishing, boating, and camping. The dam stands 130 feet tall and stretches about 5,400 feet across the river. It has a generating capacity of 1,300 megawatts, making it a significant source of renewable energy for the region. The facility also plays a crucial role in managing water levels and supporting local ecosystems.