| Glenmaggie Dam | |
|---|---|
 Downstream face | |
  Location of the Glenmaggie Dam in Victoria | |
| Country | Australia |
| Location | Sale, Central Gippsland, Victoria |
| Coordinates | 37°54′17″S 146°48′00″E / 37.90472°S 146.80000°E |
| Purpose | Irrigation |
| Status | Operational |
| Construction began | 1919 |
| Opening date | 1927 |
| Owner(s) | Southern Rural Water |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Impounds | Macalister River |
| Height | 37 m (121 ft) |
| Length | 295 m (968 ft) |
| Elevation at crest | 77 m (253 ft) AHD |
| Width (crest) | 99 m (325 ft) |
| Dam volume | 77,000 m3 (2.7 million cu ft) |
| Spillways | 2 |
| Spillway type | Uncontrolled |
| Spillway capacity | 3,400 m3/s (120,000 cu ft/s) |
| Reservoir | |
| Creates | Lake Glenmaggie |
| Total capacity | 190.410 million m3 (6.7243 billion cu ft) |
| Active capacity | 177.628 million m3 (6.2729 billion cu ft) |
| Inactive capacity | 4.86 million m3 (172 million cu ft) |
| Catchment area | 1,891 km2 (730 sq mi) |
| Surface area | 1,760 ha (4,300 acres) |
| Glenmaggie Power Station | |
| Commission date | 1994 |
| Turbines | 2 × Francis-type |
| Installed capacity | 4 MW (5,400 hp) |
| Annual generation | 9 GWh (32 TJ) |
| Website Glenmaggie Dam at Southern Rural Water | |
The Glenmaggie Dam is a concrete block-foundation gravity dam with 14 radial arm gates across the Macalister River, located near Maffra, Central Gippsland, in 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 Lake Glenmaggie.