| Cordeaux Dam | |
|---|---|
 The curved arch dam wall | |
  Location of Cordeaux Dam in New South Wales | |
| Location | Cordeaux River, Cordeaux, New South Wales |
| Coordinates | 34°20′07″S 150°45′00″E / 34.3353731497°S 150.7499066490°E |
| Purpose | Potable water supply |
| Status | Operational |
| Construction began | 1918 |
| Opening date | 1926 |
| Construction cost | A£945,000 |
| Built by | Ernest Macartney de Burgh |
| Operator(s) | Sydney Catchment Authority |
| Dam and spillways | |
| Type of dam | Arch dam |
| Impounds | Cordeaux River |
| Height (foundation) | 58.2 metres (191 ft) |
| Length | 709 metres (2,326 ft) |
| Elevation at crest | 303.6 metres (996 ft) AHD |
| Width (crest) | 5 metres (16 ft) |
| Width (base) | 45.7 metres (150 ft) |
| Reservoir | |
| Creates | Cordeaux Reservoir |
| Total capacity | 93,716 ML (20,615×106 imp gal; 2.4757×1010 US gal) |
| Surface area | 782 hectares (1,930 acres) |
| Maximum water depth | 51.8 metres (170 ft) |
| Official name | Cordeaux Dam |
| Type | State heritage (built) |
| Criteria | a., b., c., d., e., f., g. |
| Designated | 18 November 1999 |
| Reference no. | 1360 |
| Type | Water Supply Reservoir/ Dam |
| Category | Utilities – Water |
| Builders | Department of Public Works |
The Cordeaux Dam is a heritage-listed dam in Cordeaux, New South Wales, Australia. It provides water to the Macarthur and Illawarra regions, the Wollondilly Shire, and metropolitan Sydney. It is one of four dams and weirs in the catchment of the Upper Nepean Scheme. Completed in 1926 under the supervision of Ernest Macartney de Burgh, the dam is owned by Water NSW, an agency of the Government of New South Wales. It was listed on the New South Wales State Heritage Register on 18 November 1999.[1]
- ^ "Cordeaux Dam". New South Wales State Heritage Register. Department of Planning & Environment. H01360. Retrieved 2 June 2018.
Text is licensed by State of New South Wales (Department of Planning and Environment) under CC BY 4.0 licence.
