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Following the construction of the Wimmera Mallee Pipeline, the channel system and the infrastructure GWMWater used along the Dunmunkle Creek to operate it, became redundant.

GWMWater is responsible for decommissioning the redundant structures between Glenorchy and Boolite to return the creek to as close to its natural state as practical.

Latest updates

Dunmunkle Creek Asset Decommissioning Project Update - July 2021

Dunmunkle Creek Asset Decommissioning Project Update - March 2021

Dunmunkle Creek Asset Decommissioning Project Update - November 2020

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Project area


Project Steering Committee



Project Area

The project area starts at Glenorchy at the south end of the creek, to Boolite in the north.


Adobe PDF file icon 24x24 Dunmunkle Creek Project Map



GWMWater has inspected all assets and developed recommendations for each to either remove, partially remove or transfer the management of assets to other organisations or landholders.

This includes structures such as bridges, culverts, regulators and other structures.

The project also requires earthworks along the remaining channel banks to help slow and disperse water flow. 


Project Steering Committee

GWMWater has appointed a Project Steering Committee which works collaboratively to oversee the decommissioning or handing over of assets and includes representatives from GWMWater and:

  • Wimmera Catchment Management Authority
  • Northern Grampians Shire Council              
  • Yarriambiack Shire Council                             
  • Department of Environment, Land, Water and Planning
  • Regional Roads Victoria              
  • Landholder representatives: Howard Cooper of Glenorchy, Ian Taylor of Lubeck and Jason Mellings of Boolite.

Our landholder representatives will provide an important conduit between the community and the project team. If you would like to get in touch with any of the three landholders representatives, please call 1300 659 961 or This email address is being protected from spambots. You need JavaScript enabled to view it. to have your call or email re-directed.



We have been working closely with landholders to explain the proposed works and the terms of any removal or transfer of assets as well as the installation of breaks along the creek. We have completed all consultations with landholders impacted by the project where we were successfully able to make contact. If you, or someone you know, believes they are impacted by this project but haven't been consulted, please This email address is being protected from spambots. You need JavaScript enabled to view it. as soon as possible so we can incorporate all stakeholder feedback into our planning.

We are now working to develop a proposed works plan which will be shared with landholders ahead of any works starting.


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