Overview

Barwon Region Water Corporation has applied for a development licence (number APP003730) to upgrade the Colac Water Reclamation Plant to service growth within the Colac Township.

You can see the full application in the 'Supporting documents’ section of this page.

For more information on the development licence process see Development Licences.

What does the application propose?

Barwon Region Water Corporation has applied for a development licence to upgrade the Colac Water Reclamation Plant at 1-33 Treatment Works Road Colac East 3250. This is to increase the overall operation capacity of the existing wastewater treatment facility from 5.7ML/day to 7 ML/day to service the projected increases in wastewater from the existing industries and population growth.

Treated effluent will be discharged to Colac Lake using the existing facility. The existing licence discharge limits for most of the parameters will be maintained and reduced.

The upgrade will increase the number of plant process units and upgrade some of the existing facilities within the existing plant. Proposed works include:

  • installation of:
    • a third high-rate anaerobic lagoon
    • a new waste unloading facility
    • a balance tank
    • a new chemically-enhanced primary treatment system.
  • upgrade of:
    • the sludge dewatering facility
    • existing chemical dosing system
    • the cogeneration system to create electricity and heat
  • replacement of existing ultraviolet disinfection system.

A planning permit from Colac Otway Shire Council is not required for the proposal.

Latest update

Those with questions are encouraged to ask them below.

Previous updates

On 1 July 2021, the new Environment Protection Act 2017 and Environment Protection Regulations 2021 commenced. These laws introduce a new environment protection regulatory model for Victoria.

These new laws include a new permissions scheme. Under this scheme, works approvals are replaced by development licences.

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Wendy Tao

Project Manager, Approvals, EPA

Giles Flower

Barwon Region Water Corporation

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