The Myponga Dam is an arch dam across the Myponga River, located near the eponymous town, on the Fleurieu Peninsula of South Australia. Completed in 1962, the resultant reservoir, the Myponga Reservoir, was established to supplement the supply of potable water to Adelaide, located approximately to the north.
Overview The concrete dam wall is high and long. When full, the reservoir has capacity of and covers , drawn from a catchment area of . The controlled spillway has a flow capacity of . In addition to supplying approximately 5 percent of Adelaide's water supply, the reservoir is the main source of filtered water for southern metropolitan Adelaide and the southern coast area.
Plans to use the Myponga River catchment as a major storage area were made in 1945. Construction began in 1958 and was completed in 1962, flooding what was from 1840 known as "Lovely Valley". Prior to the construction of the Myponga Water Treatment Plant in 1993, water from the Myponga Reservoir was used to supplement the Happy Valley Reservoir.
Other The reservoir was searched for the bodies of the Beaumont children, and Joanne Ratcliffe and Kirste Gordon in early 1990, based on evidence against Bevan Spencer von Einem delivered by "Mr. B", a witness. No remains were found there.
See also
List of reservoirs and dams in South Australia Nixon-Skinner Conservation Park
References
External links