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Bribie Island or Marcoola; desalination site kept secret



By Craig Johnstone

November 04, 2009

THE Bligh Government is sitting on a high-level report identifying the location of the second-wave of desalination plants planned for Queensland.

The report, completed months ago, reveals which of two environmentally sensitive sites at Bribie Island or Marcoola on the Sunshine Coast will host a proposed new desalination plant.

A site at bayside Lytton in Brisbane and either the Bribie or Marcoola options – both of which involve building in national parks – were identified last February as “priority” locations.

However, despite promising a final decision on sites by mid-year, the Government now says it will not release the report until a decision is made on the Traveston Dam in the Mary Valley.

The Government had previously insisted the new plants would not be needed for 20 years but the Traveston decision, set to be announced by federal Environment Minister Peter Garrett within weeks, may bring that forward.

    Does Queensland need more desalination plants? Have your say

Queensland Water Commission chief executive Dan Spiller confirmed the final Southeast Queensland Water Supply Strategy had been completed and contained final recommendations on plant locations, although he said it could be added to before its release.

The Government could build a plant capable of producing either 100 million litres of desalinated water a day or up to 400 million litres a day, which is about three times more than the existing Gold Coast facility.

Whatever the Government’s next move on desalination it is almost certain to cause controversy.

Conservation groups have signalled they will vehemently oppose any attempt to build a desalination plant at either Marcoola or Bribie Island.

Peter Hourn who heads Marcoola Surf Club supporters’ club says locals know the worth of their environment in economic and lifestyle terms.

Local councillor Debbie Blumel has thrown her weight behind an alternative solution which has already attracted millions in government funding.

A water harvesting project draining water off up to 1100 roofs in a nearby housing development would not only go a long way to solving the water shortage but dramatically reduce the area’s carbon footprint, she said.

There is also the question of how to supply power to such plants.

The Gold Coast facility chews enough electricity to power a town the size of Mount Isa.

While the Lytton site is likely to have the least impact on the environment and surrounding residents, the commission’s preliminary studies suggest the quality of the water it would draw from Moreton Bay would be lower than the two northern sites.

However, the Marcoola option would involve constructing 1.6km of intake and outfall pipeline through the Mount Coolum National Park, while the proposed Bribie Island plant would also have pipes running across the Bribie Island National Park.

The Marcoola plant could also interfere with future operations of the nearby Sunshine Coast Airport.

Deputy Premier Paul Lucas promised before the March election that a final decision on the location of the proposed desalination plants would be announced by mid-year.

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