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New flood strategy announced to minimise potential $5 billion damage bill if Warragamba Dam overflowed including road upgrades, emergency planning, and bigger projects.

Government maps show how widespread worst-case flooding could be with parts of Penrith and Emu Plains underwater and densely packed suburbs around Windsor and McGraths Hill devastated by rising water.

The dam will cost around $700 million to raise and a lot more not to.

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New Flood Strategy
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