Wivenhoe Dam Essay

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The Wivenhoe dam report
Wivenhoe dam was built on the Brisbane river in 1984. The dam was built so it can catch excess water from the lakes,river and stream etc. It is built with concrete across a river valley to block the river flow. The dam supply's a great water supply for south-east Queensland.

Purpose and design of Wivenhoe dam

The purpose of Wivenhoe dam was to be over-topped by runoff when that runoff water reaches its flood capacity of the dam. Without the dam,excess water will destroy millions of lives and houses will be crushed by heavy waves. The Dam is an earth and rock fill embankment. It is 59 metres in height. with a concrete spillway section on which steel gates are installed. The crest of the embankment is 2.3 kilometres long.

Flood mitigation and control

Wivenhoe's full capacity of the dam is 255 per cent,with 100 percent referring to regions water supply. It's drinking water storage is 1,165,238ML. When it rains …show more content…

The people have great respect for Wivenhoe dam because they don't over use it and this makes water last for a long time. The Jinibara people are traditionally associated with Brisbane valley. Wivenhoe dam lies within the traditional tribal boundaries of the Jinibara people. The Jinibara people along with other tribal groups, held to the triennial feast ceremony in bunya.

Water quality in Wivenhoe dam

80 per cent of the Wivenhoe river has been affected by catchment disturbance from human activities. The dam has a total storage capacity of 3.132 million mega-litres. At full supply level it will hold 1.165 million mega-litres, or about 2000 times the daily water consumption of Brisbane. When It floods Wivenhoe Dam is built to hold back a further 1.967 million mega litres as well as its normal storage capacity of 1.165 million mega

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