Planned maintenance and outages

Photograph of two men reading a water meter

General enquiries & emergencies

For General Enquires please call 1800 013 357 during Office hours Monday to Friday.

In case of emergencies Contact 1800 064 184


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About herbicide treatment

Our operational planning for aquatic weed treatment is extensive, to ensure the best outcomes for our customers, aquatic life and the environment.

When planning herbicide treatment in the channel system, GMW works closely with relevant agencies including Catchment Management Authorities, Victorian Fisheries Authority and the Environment Protection Authority to ensure the application is conducted in a controlled and safe manner.

Where appropriate, GMW also engages a specialist with the VFA to use electrofishing as part of this channel treatment, to net and relocate fish before the treatment takes place.

Help and more information

For more information, or to discuss your water needs, please phone GMW on 1800 013 357. For more information on our winter works program visit