High Quality Content by WIKIPEDIA articles! Ocoee Dam Number 1 is a hydroelectric dam on the Ocoee River in Polk County in the U.S. state of Tennessee. The dam impounds the 1,930-acre (780 ha) Parksville Reservoir (sometimes called Ocoee Lake), and is the farthest downstream of four dams on the Toccoa/Ocoee River owned and operated by the Tennessee Valley Authority. Completed in 1911, Ocoee No. 1 was one of the first hydroelectric projects in Tennessee and remains the oldest dam in the TVA system.