Capacity of the Melbourne Water Drainage System

The lack of capacity of Melbourne Water's drainage system caused the greatest impact in the City of Casey following the February 2011 floods. We want to hear about your experiences during and after the floods.

The drainage system is primarily made up of Melbourne Water's pipe systems, waterways, wetlands, retarding basins and overland flow paths, supported by Council's pipe drains, and overland flow paths along roads and wetlands. Many people considered the Council drainage system to be inadequate, but did not understand that the Council drains were unable to discharge into the Melbourne Water drainage system because the Melbourne Water drainage system was incapable of carrying the floodwaters.

Houses were inundated for days and the major arterial roads closed until the flood waters receded in Melbourne Water's Hallam Main Drain. The extended period of inundation following the rains not only magnified community angst, it also significantly impacted on commercial business operations and caused long-term damage to private houses.

Significantly improving the capacity of Melbourne Water's drainage system is therefore a key priority of the City of Casey.

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