Chaffey Dam | |
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Chaffey Dam (pre upgrade) at 77% capacity, in 2008. | |
Location of Chaffey Dam in New South Wales | |
Location | Tamworth, New South Wales, Australia |
Coordinates | 31°20′45″S 151°08′19″E / 31.34583°S 151.13861°E |
Purpose | Flood mitigation, irrigation, water supply, and water conservation |
Status | Operational |
Construction began | August 1976 |
Opening date | September 1979 |
Owner(s) | State Water Corporation |
Dam and spillways | |
Type of dam | Embankment dam |
Impounds | Peel River |
Height | 55.8 metres (183 ft) |
Length | 430 metres (1,410 ft) |
Width (crest) | 8 metres (26 ft) |
Width (base) | 195 metres (640 ft) |
Dam volume | 1,413 cubic metres (49,900 cu ft) |
Spillways | 1 |
Spillway type | Morning glory |
Spillway capacity | 903 cubic metres per second (31,900 cu ft/s) |
Reservoir | |
Total capacity | 102,868 megalitres (3,632.7×10 6 cu ft) |
Catchment area | 420 square kilometres (160 sq mi) |
Surface area | 542 hectares (1,340 acres) |
Maximum water depth | 30 metres (98 ft) |
Normal elevation | 518 metres (1,699 ft) AHD |
Website Chaffey Dam at www.waternsw.com.au |
Chaffey Dam is a minor ungated rock fill with clay core embankment dam with an uncontrolled morning glory spillway across the Peel River, located upstream of the city of Tamworth, in the New England region of New South Wales, Australia. The dam's purpose includes flood mitigation, irrigation, water supply, and water conservation.