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Not So Obvious Consequences of Flooding

Floodplain Management Australia

Adding to the distress of families and businesses directly affected by flooding, many people whose properties are not classified as “flood prone” have been experiencing flow on effects from this week’s massive rain event in Queensland and NSW.

Floodplain Management Australia (FMA) President Ian Dinham reported from Gympie, on the Mary River in South East Queensland, that one of the serious concerns with such a large flood has been running out of drinking water.

“When the flood water rises the electricity gets switched off for safety reasons, then the water and sewer pump stations cease to operate. It’s a bit like New Orleans after Hurricane Katrina, as there may be less than a day’s water supply” Mr Dinham said.

“The same situation can arise when people remain in high-rise accommodation with habitable floors above flood level, but power, water and sewer are not available during and after a flood. If people choose not to evacuate before the floodwaters rise they must be prepared to be self sufficient for at least several days.

“This week there have also been issues for isolated people when the helicopters could not land to deliver food and water due to trees and topography. With all bridges closed ambulances and SES vehicles have not been available.

“Where evacuations were necessary they have frequently presented life threatening risks to stranded persons and their rescuers.

“Added to that are the challenges of supporting vulnerable people with special needs, such as dialysis and other medical equipment, people who absolutely rely on power.

“Everybody has a responsibility to understand their flood risk, and be prepared for events like this which can develop very quickly.

“Consult the local Council to learn if the neighbourhood and local roads can be flooded, find out how you can be notified of a flood threat, and in NSW

/Public Release.