Dartmouth Dam is a large rock-fill embankment dam with an uncontrolled chute spillway across the Mitta Mitta, Gibbo, and Dart rivers, the Morass Creek and a number of small tributaries. The dam is located near Mount Bogong in the north-east of the Australian state of Victoria. The dam's purpose includes irrigation, the generation of hydro-electric power, water supply and conservation. The impounded reservoir is called Dartmouth Reservoir, sometimes called Lake Dartmouth. The Dartmouth Power Station, a hydro-electric power station that generates power to the national grid, is located near the dam wall.Take the guesswork out of planning a Dartmouth vacation by using our trip itinerary maker.
A smaller pond, called the Dartmouth Dam Regulating Pond or Banimboola Pondage, approximately 9km downstream of the main dam, also across the Mitta Mitta River, is located adjacent the Banimboola Hydroelectric Power Station and forms part of the Dartmouth Dam complex of facilities.
Designed by the State Rivers and Water Supply Commission of Victoria, construction commenced in 1973 and was completed in 1979 by Thiess Bros. Pty Limited, at a cost of 139 million. The embankment dam wall is constructed with an earth core and rock fill, rising to a height of 180m from the lowest part of the foundation to the roadway across the top of the dam; making the dam wall the highest in Australia. The core component materials of the wall include of rock, of filter material made from crushed quarried rock, and of earth for the core. The reservoir has a capacity of 3856GL, or approximately 6.7 times the capacity of Sydney Harbour; and can release a maximum outflow of approximately 12000ML per day in normal operation.
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