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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]
The dam is overseen by the ARWA. [2] Based on the last yield study, [5] the total storage volume of Lake Chesdin was 9.66 billion gallons (BG), with a safe yield of approximately 41.3 million gallons per day (mgd). [2] To provide a municipal water supply, the city of Petersburg purchases water from ARWA. [6]
The dam serves flood control and recreational purposes and is operated by the U.S. Army Corps of Engineers. [2] The Gathright Dam's intake tower contains nine portals that allow it to release water between reservoir depths of 12 to 87 feet (3.7 to 26.5 m). This allows the dam to manage the temperature and flow of water released downstream. [3]
The dam impounding the Accotink Creek was built on the site of a previous dam which had existed for that same purpose from 1918 to 1922. [ 2 ] The discharge of sewage treatment plants in Fairfax and Vienna into the Accotink Creek eventually led to the contamination of the water to the point where it was no longer fit for drinking, and the Army ...
Bosher's Dam is a historic low head dam (also called a weir) built upon the James River just west of Richmond, Virginia.It is a 12-foot-high stone structure which interrupts the natural flow of Virginia's largest self-contained river by spanning the waterway between suburban Tuckahoe in Henrico County and the western part of Richmond just west of the Edward E. Willey Bridge.
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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The river is 24.7 miles (39.8 km) long, [6] and its watershed covers about 590 square miles (1,528 km 2).It is formed by the confluence of Broad Run and Cedar Run in Prince William County; Bull Run, which forms Prince William County's boundary with Loudoun and the northerly part of Fairfax counties, enters it east-southeast of Manassas, as the Occoquan turns to the southeast.