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Sedimentation | City of Melbourne Urban Water

Sedimentation

Sedimentation is a process that removes pollutants in water through gravity settling. Sedimentation systems reduce the flow rate of the water, allowing particles to settle to the bottom or float to the surface. A well-functioning system will let fine particles clump together and then settle.

Sedimentation occurs in:

  • Sedimentation basins
  • Tanks
  • Ponds and lakes
  • Wetlands

Sedimentation can be used as a stand-alone treatment for water or as part of a larger treatment system.

The Fitzroy Gardens Stormwater Harvesting System uses sedimentation as part of the treatment process.

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This website was delivered in partnership with the State Government of Victoria