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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. [ 1 ] 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 ...
Several tributaries of the Pohick Creek are impounded by dams constructed under the Watershed Protection and Flood Prevention Act to prevent soil erosion and flooding. Originally eight dams were planned, but from 1970 to 1985, only six were actually built. Lake Braddock (Pohick #7) was the first dam built in 1970, and impounds the Pohick Creek ...
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 masonry dam across Holmes Run that creates Barcroft Lake, Fairfax County, Virginia, 22 October 2017. In 1913, the Alexandria Water Company began construction of the Lake Barcroft Dam on Holmes Run to create a drinking water reservoir for the city of Alexandria. Construction of the dam was completed in 1915, putting a 620 million-gallon ...
Fairfax, Virginia (/ ˈ f ɛər f æ k s / FAIR-faks), [a] is an independent city in Virginia and the county seat of Fairfax County, Virginia, in the United States. [4] As of the 2020 census, the population was 25,536. [5] Fairfax is part of both the Washington metropolitan area and Northern Virginia regions.
The dam creating the lake, North Anna Dam, is a 5,000-foot-long (1,524 m) and 90-foot-high (27 m) earthen embankment dam. It is 30 feet (9 m) wide at its crest and sits at an elevation of 265 feet (81 m) above sea level.
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 ...
The dam is designed and operated to maintain a nearly constant water level between 208.5 and 209 feet above mean sea level, and discharges the same amount of water it collects as runoff from 14.5 square miles of Fairfax County and the City of Falls Church. The dam is not designed for or operated in a flood control capacity.