Protecting Wilderness and National Parks

Save the Blue Mountains Wild Rivers

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The NSW Government is again progressing plans to raise Warragamba Dam wall, with $30 million dollars committed to the project in the last state budget. Raising the dam would destroy 65 kilometres of pristine wild rivers and flood 4,700 hectares of Blue Mountains’ world heritage listed National Parks.

The proposal to raise the height of Warragamba Dam by 14 metres is unnecessary and environmentally damaging. The existing dam and auxiliary spillway provides the necessary dam safety. Installing new flood gates and improved flood monitoring would provide substantial flood mitigation at a saving of more than $700 million.

There will be no protection against large floods (one in 500 average, and higher) even if the dam is enlarged.

Take Action - make a tax deductable donation to help save our precious wild rivers

Take Action - sign the petition and become a voice for the Blue Mountains World Heritage Area

Environmental issues

There would be significant and obvious damage of World Heritage wilderness and national parks upstream of the dam. The lower reaches of protected wild rivers, including the Kowmung, Coxs and Nattai Rivers, would be damaged. Flood inundation will scar wilderness areas by killing river bank vegetation and depositing sediment.

The false sense of security created by raising the dam wall will encourage the further release of low lying land on which development is currently prohibited. As many as 100,000 houses could be constructed with the following detrimental effects:

  • Up to a million additional vehicle movements per day in the Hawkesbury-Nepean valley, causing traffic congestion, air pollution and resulting health problems in the whole of western Sydney;
  • A huge increase in run-off and sewage discharge that will cause even worse deterioration of water quality in the Hawkesbury-Nepean River;
  • Loss of rich agricultural land to urban expansion and destruction of fisheries, including the major oyster farming industry.

Don't raise the dam fact sheets - 

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