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  Cohuna
 

We are upgrading the Cohuna Water Treatment Plant as part of our Water Treatment and Storage Upgrade Program, a $40 million program of upgrades across our service region.

Work began on Monday April 20 and is expected to take approximately 12 months.

Upgrades will include replacing the pump station, electrical upgrades and improvements to water treatment processes at the plant.

This will provide an extra layer of water filtration, via ultra-violet light, with carbon filters also updated, which will better control the taste and odour of the water. 

This stage of construction will include site preparation work and upgrading of underground pipes and continue until late June. Works will be completed on weekdays between 7am and 5.30pm. 

During works you may notice noise and dust. We’ll aim to reduce this by wetting down the site where possible to reduce dust. You may also notice more trucks in the area using the plant entrance on Cohuna Island Road. 

There will be no interruption to your water services as part of these upgrades.

You can contact us on 1300 363 200 or email coliban@coliban.com.au with any questions or feedback you may have. 
 

Last updated on 20 Apr 2026
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