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Rainwater tanks

Water Sensitive Urban Design

Rainwater tanks collect run-off from roof areas and can provide a supplementary source of non-potable water in urban areas.

By storing rainfall, tanks can reduce peak flow rates to the stormwater system. Tanks also provide some treatment through settlement of suspended soils.

They can be used where drinking water quality is not needed, like watering gardens and flushing toilets, and a relatively small tank can be used for this purpose domestically.

A rainwater tank is one of the most appropriate WSUD elements for residential developments to meet the stormwater management requirements.

Your WSUD application tools

  • If you are considering installing a rainwater tank as part of your Planning Application, see the  materials and installation guide.
  • Make sure your Site Layout Plan, Ground Floor Plan, and Roof Plan reflect the information contained in the WSUD Report (i.e. the STORM or MUSIC report).
  • As a condition of your planning permit you will need to complete and submit a WSUD Site Management Plan. A WSUD SMP guide is available here: Keeping Our Stormwater Clean: A Builder’s Guide by Melbourne Water and the EPA Victoria.
  • If you do not need to complete a WSUD report and wish to work out how large or small your tank requirements are use the free Tankulator tool developed by the Alternative Technology Association.
  • View these fact sheets guiding applicants through Moonee Valley's Sustainable Design Assessment in the Planning Process (SDAPP).

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Last updated: Saturday, 13 August 2016, 10:23 AM

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