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The upper and lower reservoirs are created by earth and rock-filled embankment dams.The upper reservoir dam is 460 feet (140 m) high, 2,200 feet (670 m) long and has a structural volume of 18,000,000 cubic yards (14,000,000 m 3).
It is formed by the Occoquan Dam on the Occoquan River. Managed by the Fairfax County Water Authority, it provides an important water supply to surrounding settlements in northern Virginia, with an output of 17 million US gallons a day (64,000 m 3 /d) to 1.2 million people, including over half of the population of Prince William County. [1]
This page was last edited on 24 December 2023, at 10:27 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The dam produces hydro-electric power mostly during hours of peak demand on the American Electric Power system. Water passes from Smith Mountain Lake through generators to Leesville Lake, producing power. In times of low demand, the generators are used as pumps to reverse the flow and return the water to Smith Mountain Lake.
Spring Hollow Reservoir is a 158-acre (0.64 km 2), 3.3-billion-US-gallon (12,000,000 m 3) side-stream reservoir in Roanoke County, Virginia with the largest roller-compacted concrete dam east of the Mississippi [1] Having commenced operation in 1996, it is now the main source of water for residents of Roanoke County.
College Lake Dam, in Lynchburg, Virginia, was on the brink of failure on Friday due to recently heavy rainfall. The situation has stabilized for the time being, allowing residents to return home.
Tainter gate from the back, or spillway, on the John H. Kerr Dam, Boydton, Virginia (USACE) Construction of the John H. Kerr dam was authorized by the 78th United States Congress in 1944 with the Flood Control Act of 1944 but did not commence until 1947. The site was selected because of the granite in the area that could support a large ...
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