| Split Rock Dam | |
|---|---|
.JPG) Split Rock Dam wall, 2010. | |
  Location of the Split Rock Dam in New South Wales | |
| Country | Australia |
| Location | North West Slopes, New South Wales |
| Coordinates | 30°32′S 150°42′E / 30.533°S 150.700°E |
| Status | Operational |
| Construction began | 1984 |
| Opening date | 1987 |
| Owner(s) | State Water Corporation |
| Dam and spillways | |
| Type of dam | Embankment dam |
| Impounds | Manilla River |
| Height | 66 metres (217 ft) |
| Length | 484 metres (1,588 ft) |
| Dam volume | 1,048 cubic metres (37,000 cu ft) |
| Spillways | 1 |
| Spillway type | Ungated concrete chute |
| Spillway capacity | 6,860 cubic metres per second (242,000 cu ft/s) |
| Reservoir | |
| Creates | Split Rock Reservoir |
| Total capacity | 397,370 megalitres (14,033×106 cu ft) |
| Catchment area | 1,650 square kilometres (640 sq mi) |
| Surface area | 2,150 hectares (5,300 acres) |
| Maximum water depth | 52 metres (171 ft) |
| Normal elevation | 449 metres (1,473 ft) AHD |
| Website Split Rock Dam | |
Split Rock Dam is a minor ungated concrete faced rock fill embankment dam with concrete chute spillway across the Manilla River upstream of Manilla in the north-western slopes region of New South Wales, Australia. The dam's purpose includes flood mitigation, irrigation, water supply and conservation. The impounded reservoir is called Split Rock Reservoir.