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Alert: Following the earthquake on 22 September, Melbourne Water has enacted our rapid response and inspection program for all of our critical assets – including dams - across our areas of operation. Follow our updates.

Ferny Creek Retarding Basin upgrade

Shape Copy 2 Completed

We’ve upgraded the Ferny Creek Retarding Basin to ensure it continues to reduce the risk of flooding to the community.

Why this was important

Melbourne Water has over 200 retarding basins that reduce the risk of flooding to properties and the community. These are regularly assessed, maintained and upgraded when required. The Ferny Creek Retarding Basin was recently assessed by the Australian National Committee on Large Dams (ANCOLD), which highlighted that it needed an upgrade to ensure it continues to reduce community flood risk and operate efficiently.

What the project involved

Embankment hardening involves reinforcing topsoil, laying concrete or installing geoweb. This helps prevent erosion when the water overtops.

The works included:

  • removing trees along the embankment
  • filter trench on the embankment to increase strength
  • crest capping on the embankment
  • constructing a concrete cut-off wall
  • replacing the spillway
  • installing erosion control matting
  • installing a concrete wall to protect flora.

Next steps

Revegetation work is planned for June 2020.

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Last updated:
29 September 2020