| Avon Dam | |
|---|---|
 The curved arch dam wall | |
  Location of Avon Dam in New South Wales | |
| Location | Avon Dam Road, Avon Dam, New South Wales |
| Coordinates | 34°21′09″S 150°38′30″E / 34.3526341175°S 150.6415665100°E |
| Purpose | Potable water supply |
| Status | Operational |
| Construction began | 1921 |
| Opening date | 20 January 1928 |
| Construction cost | A£1,047,000 |
| Built by | Ernest Macartney de Burgh |
| Operator(s) | Sydney Catchment Authority |
| Dam and spillways | |
| Type of dam | Arch dam |
| Impounds | Avon River |
| Height (foundation) | 22 metres (72 ft) |
| Length | 223 metres (732 ft) |
| Width (crest) | 6 metres (20 ft) |
| Width (base) | 61 metres (200 ft) |
| Reservoir | |
| Creates | Avon Reservoir |
| Total capacity | 146,700 ML (3.23×1010 imp gal; 3.88×1010 US gal) |
| Catchment area | 142 square kilometres (55 sq mi) |
| Surface area | 1,057 hectares (2,610 acres) |
| Maximum water depth | 64 metres (210 ft) |
| Website Avon Dam | |
| Official name | Avon Dam |
| Type | Built |
| Criteria | a., b., c., d., e., f., g. |
| Designated | 18 November 1999 |
| Part of | Utilities - Water group |
| Reference no. | 01358 |
The Avon Dam is a heritage-listed dam at Avon, in the New South Wales Southern Highlands, Australia. It is one of four dams and weirs in the catchment of the Upper Nepean Scheme, providing water to the Macarthur and Illawarra regions, the Wollondilly Shire, and metropolitan Sydney. The arch dam across the Avon River was completed in 1927 under the supervision of Ernest Macartney de Burgh, the dam is currently managed by the Sydney Catchment Authority and is listed on the New South Wales State Heritage Register.[1]
- ^ "Avon Dam". New South Wales State Heritage Register. Department of Planning & Environment. H01358. Retrieved 2 June 2018.
Text is licensed by State of New South Wales (Department of Planning and Environment) under CC BY 4.0 licence.
