Hume Dam | |
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![]() The Hume Dam and spillway, 2012 | |
Location of the Hume Dam in New South Wales | |
Country | Australia |
Location | Riverina, New South Wales |
Coordinates | 36°06′30″S 147°01′52″E / 36.10833°S 147.03111°E |
Purpose | Flood mitigation, hydro-power, irrigation, water supply and conservation |
Status | Operational |
Construction began | 1919 |
Opening date | 1936 |
Construction cost | A£2.1 million[1] |
Owner(s) | Murray-Darling Basin Authority |
Dam and spillways | |
Type of dam | Gravity dam |
Impounds | Murray River |
Height | 51 metres (167 ft) |
Length | 1,615 metres (5,299 ft) |
Spillways | 29 |
Spillway type | Vertical undershot gated concrete overflow |
Spillway capacity | 7,929 cubic metres per second (280,000 cu ft/s) |
Reservoir | |
Creates | Lake Hume |
Total capacity | 3,036,500 megalitres (2,461,700 acre⋅ft) |
Active capacity | 1,417,188 megalitres (1,148,933 acre⋅ft) |
Inactive capacity | 1,619,312 megalitres (1,312,798 acre⋅ft) |
Catchment area | 15,300 square kilometres (5,900 sq mi) |
Surface area | 20,190 hectares (49,900 acres) |
Maximum water depth | 40 metres (130 ft) |
Normal elevation | 192 metres (630 ft) AHD |
Power Station | |
Operator(s) | Eraring Energy |
Commission date | 1957 |
Type | Conventional |
Turbines | 2 |
Installed capacity | 58 megawatts (78,000 hp) |
Annual generation | 220 gigawatt-hours (790 TJ) |
Website Hume Dam at www.statewater.com.au |
Hume Dam, formerly the Hume Weir, is a major dam across the Murray River downstream of its junction with the Mitta River in the Riverina region of New South Wales, Australia. The dam's purpose includes flood mitigation, hydro-power, irrigation, water supply and conservation. The impounded reservoir is called Lake Hume, formerly the Hume Reservoir. It is a gated concrete gravity dam with four earth embankments and twenty-nine vertical undershot gated concrete overflow spillways.
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