| Manly Dam | |
|---|---|
 Manly Dam wall | |
  Location of the dam in Greater Sydney | |
| Coordinates | 33°46′33″S 151°14′52″E / 33.775803°S 151.247769°E |
| Purpose | Multi-purpose:
|
| Status | Decommissioned |
| Opening date | 1892 |
| Built by | NSW Department of Public Works |
| Owner(s) | Sydney Water |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Impounds | Curl Curl Creek |
| Height (foundation) | 20 m (66 ft) |
| Length | 250 m (820 ft) |
| Dam volume | 8×103 m3 (280×103 cu ft) |
| Spillway type | Uncontrolled |
| Spillway capacity | 400 m3/s (14,000 cu ft/s) |
| Reservoir | |
| Total capacity | 2,000 ML (441×106 imp gal) |
| Catchment area | 5.52 km2 (2.13 sq mi) |
| Surface area | 30 hectares (74 acres)[1] |
| Normal elevation | 35 metres (115 ft) AHD |
| [2] | |
| Official name | Manly Dam |
| Type | State heritage (complex / group) |
| Designated | 18 November 1999 |
| Reference no. | 1327 |
| Type | Water Supply Reservoir/ Dam |
| Category | Utilities - Water |
| Builders | Public Works Department |
The Manly Dam is a heritage-listed dam near King Street, Manly Vale with a reservoir extending into Allambie Heights, both in the Northern Beaches Council local government area of New South Wales, Australia. It is often used as a place to have recreational activities. The reservoir is located within the Manly Dam Reserve. The dam was designed by the NSW Department of Public Works and built in 1892 by the Department. The reservoir and dam is owned by Sydney Water, an agency of the Government of New South Wales. The reservoir and dam was added to the New South Wales State Heritage Register on 18 November 1999.[3]
- ^ "Manly Warringah War Memorial Park Plan of Management". Warringah Council. Retrieved 1 September 2015.
- ^ "Register of Large Dams in Australia". Dams information. Australian National Committee on Large Dams. 2011. Archived from the original (Workbook (requires download)) on 12 December 2013. Retrieved 18 June 2018.
- ^ "Manly Dam". New South Wales State Heritage Register. Department of Planning & Environment. H01327. Retrieved 2 June 2018.
Text is licensed by State of New South Wales (Department of Planning and Environment) under CC BY 4.0 licence.
