Impofu Dam

Impofu Dam is a combined rock-fill/earth-fill type dam located on the Kromme River, near Humansdorp, Eastern Cape, South Africa. It was established in 1983 and its primary purpose is to serve for municipal and industrial use. The hazard potential of the dam construction has been ranked high (3).

Impofu Dam
Official nameImpofu Dam
CountrySouth Africa
LocationHumansdorp, Eastern Cape
Coordinates34°5′45″S 24°41′1″E
PurposeIndustrial and domestic
Opening date1983
Owner(s)Department of Water Affairs
Dam and spillways
Type of damEarth fill dam
ImpoundsKromme River
Height75 m
Length793 m
Reservoir
CreatesImpofu Dam Reservoir
Total capacity106 885 000 m³
Surface area570 ha

Location

The dam, along with the Elandsjagt water purification plant, lies just downriver from Kromme Dam. Both N2 and R102 roads cross the western portion of the dam. The road to the dam wall itself is not well-suited to passenger traffic.

History

The dam was built from 1972 to 1982. In July 1983, the dam beat all expectations by filling within three days.

Dimensions

The reservoir is long, narrow, and deep, with several bays. The maximum capacity 107 million m³ and the water is 6 km2, 25 km long, and 65 km in circumference. The wall is 75 m high and 800 m long.

Use

A primary source of drinking water for Port Elizabeth, the dam also prevents flood waters from engulfing farms and houses around the banks and mouth of the river. The reservoir is popular with anglers as well given the 5 fish species found there. A slipway is available for boaters.

See also

Bibliography

  • Logie, Bartle (1999). Governor's travels. A journey along the Kouga/Tsitsikamma coast. Hunters Retreat: Bluecliff. ISBN 0-620-24152-7

References


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