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Scotts Peak Dam
The Scotts Peak Dam is a rock-filled embankment dam across the Huon River, located in the South West region of Tasmania, Australia. Completed in 1973 as part of the Gordon River Power Development Scheme, the resultant reservoir, Lake Pedder, formed with the Edgar Dam and the Serpentine Dam, was established for the purpose of generation of hydroelectricity via the Gordon Power Station, a conventional hydroelectric power station located 50 kilometres (31 mi) to the northwest of the dam wall. The impoundment flooded Lake Edgar, a naturally-forming fault scarp pond.
The Scotts Peak Dam, together with the Edgar and Serpentine dams, are some of the few dams and reservoirs owned and operated by Hydro Tasmania that do not have an adjacent hydroelectric power station.
The Scotts Peak Dam, completed in 1973 by the Hydro Electric Corporation (TAS), together with the Edgar and Serpentine dams, are three major dams that form the headwaters for the Gordon River Power Development Scheme. The dam is located at the southern end of the Lake Pedder where it impounds the upper reaches of the Huon River. In a straight line, the Gordon Power Station is 50 kilometres (31 mi) to the north west of the dam wall; or approximately 90 kilometres (56 mi) by road.
Near Lake Pedder's most easterly point is the Edgar Dam, where the Huon River descends from the Marsden Range into what is now known as the Huon Basin. At the northwestern end of the lake, the Serpentine Dam across the Serpentine River is impounded into Lake Pedder.
The bituminous concrete-faced rock-fill dam wall is 43 metres (141 ft) high and 1,067 metres (3,501 ft) long. When full, Lake Pedder has capacity of 2,937.93 gigalitres (2,381,820 acre⋅ft) and covers 24,133 hectares (59,630 acres), drawn from a catchment area of 734 square kilometres (283 sq mi). The dam wall does not have a spillway.
In 2001, the dam received an Historic Engineering Marker from Engineers Australia as part of its Engineering Heritage Recognition Program. At the time, it was one of only two Australian dams completed with bituminous concrete facing.
The water in Lake Pedder provides around 40% of the water used in the Gordon Power Station. This non-hydroelectric dam helps retain water in the new impoundment, that is diverted to Lake Gordon (formed by the Gordon Dam) via the McPartlan Pass Canal. Water from Lake Gordon then exits through the Gordon Dam and into the Gordon River.
In early 1967, Eric Reece, the Premier of Tasmania, announced plans to flood the natural Lake Pedder and the legislation was debated in the Tasmanian Parliament several days later. A small environmental movement was formed, which mobilised in the 1980s to stop the proposed Franklin River Dam. In 1972, Reece controversially approved the three dams and hence, the flooding of Lake Pedder, which proceeded despite a determined environmental protest movement and a blank cheque offer from his Labor colleague, Prime Minister Gough Whitlam, to preserve the area. Reece refused Whitlam's offer, stating that he would 'not have the Federal Government interfering with the sovereign rights of Tasmania.' Reece retrospectively commented:
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Scotts Peak Dam
The Scotts Peak Dam is a rock-filled embankment dam across the Huon River, located in the South West region of Tasmania, Australia. Completed in 1973 as part of the Gordon River Power Development Scheme, the resultant reservoir, Lake Pedder, formed with the Edgar Dam and the Serpentine Dam, was established for the purpose of generation of hydroelectricity via the Gordon Power Station, a conventional hydroelectric power station located 50 kilometres (31 mi) to the northwest of the dam wall. The impoundment flooded Lake Edgar, a naturally-forming fault scarp pond.
The Scotts Peak Dam, together with the Edgar and Serpentine dams, are some of the few dams and reservoirs owned and operated by Hydro Tasmania that do not have an adjacent hydroelectric power station.
The Scotts Peak Dam, completed in 1973 by the Hydro Electric Corporation (TAS), together with the Edgar and Serpentine dams, are three major dams that form the headwaters for the Gordon River Power Development Scheme. The dam is located at the southern end of the Lake Pedder where it impounds the upper reaches of the Huon River. In a straight line, the Gordon Power Station is 50 kilometres (31 mi) to the north west of the dam wall; or approximately 90 kilometres (56 mi) by road.
Near Lake Pedder's most easterly point is the Edgar Dam, where the Huon River descends from the Marsden Range into what is now known as the Huon Basin. At the northwestern end of the lake, the Serpentine Dam across the Serpentine River is impounded into Lake Pedder.
The bituminous concrete-faced rock-fill dam wall is 43 metres (141 ft) high and 1,067 metres (3,501 ft) long. When full, Lake Pedder has capacity of 2,937.93 gigalitres (2,381,820 acre⋅ft) and covers 24,133 hectares (59,630 acres), drawn from a catchment area of 734 square kilometres (283 sq mi). The dam wall does not have a spillway.
In 2001, the dam received an Historic Engineering Marker from Engineers Australia as part of its Engineering Heritage Recognition Program. At the time, it was one of only two Australian dams completed with bituminous concrete facing.
The water in Lake Pedder provides around 40% of the water used in the Gordon Power Station. This non-hydroelectric dam helps retain water in the new impoundment, that is diverted to Lake Gordon (formed by the Gordon Dam) via the McPartlan Pass Canal. Water from Lake Gordon then exits through the Gordon Dam and into the Gordon River.
In early 1967, Eric Reece, the Premier of Tasmania, announced plans to flood the natural Lake Pedder and the legislation was debated in the Tasmanian Parliament several days later. A small environmental movement was formed, which mobilised in the 1980s to stop the proposed Franklin River Dam. In 1972, Reece controversially approved the three dams and hence, the flooding of Lake Pedder, which proceeded despite a determined environmental protest movement and a blank cheque offer from his Labor colleague, Prime Minister Gough Whitlam, to preserve the area. Reece refused Whitlam's offer, stating that he would 'not have the Federal Government interfering with the sovereign rights of Tasmania.' Reece retrospectively commented: