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Sewer pump station works – Myers Flat

  • Marong

We are installing a new sewer pump station at the corner of Allies Road and Hermitage Road in Marong from mid-April to August.

This new sewer pump station will support the sewer outfall located in Hermitage Road.

These works will improve network capacity and provide support to the existing sewer assets in nearby Hermitage Road. 

There will be no disruption to your sewer services during these works.

Some traffic management will be in place. Nearby residents who may be impacted have been notified.

Pipeline construction – Maiden Gully to Marong

  • Maiden Gully

Work to install the Maiden Gully to Marong Pipeline continues with the five kilometre section of sewer main and water pipeline along the Calder Highway west of the Maiden Gully Shopping Centre commencing this week.

In April we’ll be working in the roadway median between Monsants Road and Beckhams Road and there will be traffic management in place along the service road between Beckhams Road and McNamara Drive.  We’ll be aiming to keep any interruptions to a minimum.

For further project information visit connect.coliban.com.au/maiden-gully-marong-pipeline 

Inspections and soil testing - Various locations

  • Various locations Rural Supply Network

From Monday 14 to Thursday 17 April we will be completing inspections and soil testing at 40 locations across our rural supply network. 

This work is being conducted on our behalf by geotechnical experts, GTS, to understand rural pipeline alignments and local ground conditions. It is part of a broader program underway to improve the efficiency of our rural supply network. 

No access to private property will be required. However, you may see the GTS team working on roadsides if you are in the area. Please take care and follow any traffic management in place. 

You can read more about the project here or call us on 1300 363 200 if you have any questions.

Odour update – Bendigo Water Reclamation Plant

  • Epsom

We are experiencing odour at the Bendigo Water Reclamation Plant as a result of algae blooms on our brine lagoon.

This lagoon contains brine created at the Recycled Water Factory as part of the treatment process that is high in salt and other compounds.

Algae blooms are a seasonal issue and can arise during or after hot weather.

We are investigating options to reduce the odour. However, it may continue for the next two weeks, or until the weather cools.

Click here for information about blue-green algae.

Planned maintenance works - Castlemaine Water Reclamation Plant

  • Castlemaine

We’re planning essential maintenance works at the Castlemaine Water Reclamation Plant in Langslow Street between February and May. 

These works include the cleaning and maintenance of the equipment that treats wastewater from customers in Castlemaine, Chewton, Campbells Creek, Newstead, Maldon and Harcourt.

During this work, there is a chance of increased odour and noise - we will do our best to minimise these impacts. 

Completing these works will improve the reliability and day-to-day operations of the plant. The table below outlines the schedule of works we have planned.

Type of work What are we doing? When
Aeration tank maintenance

Aeration tanks ensure the treatment process can happen by forcing air through the wastewater.

To complete the work, we need to empty these tanks to allow our team to access the bottom of the tank and repair, maintain and replace necessary parts.

Sunday 23 February until Thursday 6 March between 7am and 6pm.

You may see a crane onsite during the works, and you may notice noise and more traffic in the area.

ATADs inspection

Our Autothermal Thermophilic Aerobic Digestion system turns sewage sludge into a valued biosolids product for agricultural reuse.

It will take two days to drain the three tanks and another three days to clean and inspect them.

We will complete a clean and inspection of our ATAD system from Tuesday 11 to Monday 17 March between 7am and 6pm on weekdays.

DAF tank maintenance

The Dissolved Air Flotation (DAF) tanks help thicken sludge from the treatment process so it can go to the ATADs.

Works will include cleaning and inspecting both tanks and replacing the chute that removes thickened sludge from the DAF tanks. We will also re -coat the steel lining and clean the rest of the tanks.

Between March and May, we will complete maintenance works the DAF tanks at the plant.

Works on the first DAF tank will be from Tuesday 11 March to Friday 4 April. 

Works on the second DAF tank will be from Friday 11 April to Tuesday 13 May 2025.


We encourage you to call us on 1300 363 200 to report odour. The more we receive these reports, the more we can build a picture of the areas of our plant that need the most urgent attention.

For more details on the works read our Castlemaine Water Reclamation Plant February update here.

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