Yarra Valley Water


Olinda Sewerage Project

We're providing a new sewerage service to properties in Olinda.

We're currently designing a system that will provide sewerage services to approximately 500 properties in Olinda. To complete the design and prepare for construction, you may see us and our specialist contractors undertaking surveying and investigative work in your area. 

New sewerage pipelines will be constructed along road reserves and easements, and every property along the sewerage pipe path will receive a connection point, allowing them to connect to the sewerage network. We expect we’ll start constructing in 2023.

The project will provide many benefits to your community, including:

  • Improving the health of local waterways
  • Reducing odours in the area that are currently noticeable
  • Providing a more liveable environment for the community.
  • For property owners, connecting to the sewerage network means you will not need to maintain a septic tank or replace it when it gets old. 

Other benefits include:

  • Elimination of odours or soggy patches around your home
  • Less pollution into the environment
  • Greater flexibility of home improvement and extension options.
  • The more properties that connect to the new system, the better it will be for the community.

Why does this area need a piped sewerage system?

Septic tanks work by gradually releasing wastewater so that it is absorbed by the soil and plants on your property. If they are old and beyond their service life, fail or aren’t maintained properly they can create unpleasant smells and boggy areas. They can leak waste onto other properties, or the wastewater can flow into local drains and waterways. Sometimes properties are too small to contain the waste; or the land might be steep, so the waste runs off before it is absorbed.

Also, many properties have split systems where toilet water is treated by the septic tank and the wastewater from the kitchen, shower and laundry flows into the stormwater system. This waste is not treated and flows into our creeks, rivers and bay, polluting our waterways.

What should you do right now?

You do not need to do anything right now, except keep maintaining your current onsite wastewater (septic) system.

We'll be in touch with property owners directly as we progress.

Contact us

If you have any questions or feedback about the project, please contact Project Manager Dillon Van Heer on 9872 1583 or [email protected]


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