Cairn Curran Reservoir is located on the Loddon River 10 km west of Maldon and downstream from Newstead. The catchment covers 1 593 square kilometres and extends into the Central Highlands. The average annual rainfall in the catchment is 900 mm.
|Cairn Curran's function is to: ensure supply to irrigated properties along the Loddon River and the western sector of the Goulburn-Murray Irrigation District (GMID); provide stock and domestic supplies; maintain minimum flows for environmental purposes; and generate electricity when irrigation and flood releases are being made.|
Construction took place between 1947 and 1956. The main embankment (earth and rockfill) is 650 metres long and 44 metres high. The primary spillway has three radial gates with a combined discharge capacity of 189 000 ML/d. A secondary spillway is located two kilometres south of the primary spillway. During extreme flood events it will spill before the main embankment is overtopped. The wet tower has fourteen portals with trash screens on the outside.
A two megawatt power station generates electricity when irrigation and flood releases are made. It is operated by Goulburn-Murray Water staff, on behalf of the power company, when releases in excess of 250 ML/d are required. The generator operates for an average of 200 days each year.
Cairn Curran Reservoir at Welshman's Reef (2000)