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Queensland Government rules out dams for Lockyer Valley

This map released by the Queensland Government shows the site of a possible dam at Linville on the Upper Brisbane River.
This map released by the Queensland Government shows the site of a possible dam at Linville on the Upper Brisbane River.

The Queensland Government has ruled out dams at Upper Tenthill and Murphys Creek but is considering ones at Linville and Willowbank as well as raising Wivenhoe.

That was the result of a prefeasibility study released by Water Supply Minister Mark McArdle today looking at potential options to improve the flood defences of Brisbane and Ipswich.

Mr McArdle said the government's 30 year plan for the water sector, known as "WaterQ" recognised the challenges of climate variability and natural disasters like floods.

The prefeasibility study has narrowed the flood mitigation options down from nine to three for further investigation ruling out two possible dams in the Lockyer Valley on the Tenthill and Lockyer Creeks.

The three options to be explored further are

· increasing the flood mitigation compartment of Wivenhoe Dam by raising the dam wall;

· a new dam on the Brisbane River upstream of Linville; and

· a new dam on the Lower Warrill Creek near Willowbank.

Mr McArdle said they would conduct a more detailed investigation consider the benefits, estimated costs, and potential impacts of each of the three options or combinations of options.

"The new dams we are investigating could save thousands more homes and businesses if there was a repeat of the 2011 floods, but it is still early days and we will now do more detailed studies into these options," he said.

A map outlining the potential dam sites is available at the Qld Gov website.

Topics:  dams, linville, lockyer valley, queensland government, wivenhoe dam


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