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Stormwater is the water that runs off surfaces when it rains. It may fall on to the roof and be directed through gutters and downpipes, or directly onto surfaces including roads, gardens and driveways.
In the city, this water runs down drains into underground stormwater pipes and is carried to the nearest waterway – stream, beach, harbour or wetland.
Council stormwater systems help prevent flooding and provide a safe, contained way for water to drain away from populated areas, but increased urbanisation, rapidly growing city sizes, and changing weather patterns are putting extra pressure on the system, meaning additional stormwater management solutions are often required, either for installation below ground or tucked away above ground.