Rainwater and our sewerage system

What happens when stormwater builds up in our sewerage system?

If you understand that our sewerage system is designed to cope with the daily flow of wastewater from our households, imagine millions of litres of extra water suddenly flooding in. Literally, the pipes are only so wide, and can’t drain it away quickly enough. Pressure from this extra water causes sewage to back up into property owner's sewerage pipes, forcing open manholes, causing sewage to spill into yards.

This is an event that causes distress, hygiene problems and disruption as Council workers have to move in to clear up the mess to ensure community health is protected. Again, it is a huge, unnecessary cost to the community, and one we’re sure residents would expect the Council to eliminate.

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