Mangrove Creek Dam

Mangrove Creek Dam
Location of the Mangrove Creek Dam in New South Wales
Country	Australia
Location	Central Coast, New South Wales
Coordinates	33°12′54″S 151°07′04″E / 33.21500°S 151.11778°E / -33.21500; 151.11778
Purpose	Water supply
Status	Operational
Construction began	1978
Opening date	1982
Owner(s)	Central Coast Water Corporation
Dam and spillways
Type of dam	Embankment dam
Impounds	Mangrove Creek
Height	80 metres (260 ft)
Length	380 metres (1,250 ft)
Width (crest)	6 metres (20 ft)
Width (base)	250 metres (820 ft)
Dam volume	1,340,000 cubic metres (47,000,000 cu ft)
Spillway type	Concrete lined chute
Spillway capacity	570 cubic metres per second (20,000 cu ft/s)
Reservoir
Total capacity	190,000 megalitres (6,700×10^6 cu ft)
Catchment area	101 square kilometres (39 sq mi)
Surface area	7 square kilometres (2.7 sq mi)
Maximum water depth	65 metres (213 ft)
Website www.centralcoast.nsw.gov.au/residents/roads-and-water/water-supply-services

Mangrove Creek Dam, a concrete faced rockfill embankment dam, is the primary reservoir for water supply to residents of the Central Coast in New South Wales, Australia.

The dam, with a capacity of 190,000 megalitres (6,700×10^⁶ cu ft) and fed by a catchment area of 101 square kilometres (39 sq mi), is operated by the Central Coast Water Corporation and supplies approximately 93 per cent of water to 300,000 residents in Central Coast Council. The dam was constructed between 1978 and 1982, formed by impounding the headwaters of Mangrove Creek, a tributary of the Hawkesbury River.