Gippsland Water started construction in late September 2026 on the Traralgon-Tyers Interconnect, a 4.5km pipeline that will connect Glengarry, Toongabbie, Cowwarr and Rosedale to the Traralgon water supply network. The multi-million dollar job is jointly funded by the Australian Government through the National Water Grid Fund and the Victorian Government, and is being delivered by Gippsland Water.
The start of construction was reported by Utility magazine. The four towns are currently supplied by the Tyers Water Treatment Plant, which Gippsland Water says can be affected by extreme weather events and may not meet required demand or water quality standards.
Gippsland Water Managing Director Sarah Cumming said the new link would carry the towns through future growth as well as fixing the reliability problem.
“Not only does this project ensure a more reliable water supply for the towns of Glengarry, Toongabbie, Cowwarr, and Rosedale, but it will also cater for future growth of the region,” Cumming said.
Why the towns are being moved off Tyers
An interconnect does one simple thing: it stops a town being captive to a single treatment plant. Right now, whatever hits Tyers hits Glengarry, Toongabbie, Cowwarr and Rosedale with it. Once the new main is live, those towns draw from Traralgon instead.
“The towns will be connected to the Traralgon Water Treatment Plant, which will also improve system resilience to extreme weather events due to the plant’s enhanced technology and capabilities.” Cumming said.
Cumming also framed the job as a cost play over the long run, not just a resilience one.
“The project will also contribute to network efficiency, a reduction in long-term costs, and help us keep downward pressure on bills,” she said.
On the funding split, Cumming said: “This funding boost helps deliver the major project without our customers footing the entire bill,“
“This funding boost helps deliver the major project without our customers footing the entire bill,“
The route: Dranes Road to Black Tank Road
The pipeline runs from Dranes Road in Traralgon, through road reserves and Crown land along Traralgon-Maffra Road, to Black Tank Road in Glengarry. That alignment is the whole character of the job. Most of it sits in a live traffic corridor rather than an open paddock, which means the trench, the spoil, the pipe string and the plant all have to share space with vehicles using the road.
A separate reticulation main is also going in along a section of Glengarry West Road. That one isn’t about supply volume, it’s about head. Shifting a town’s feed to a different plant changes where the pressure comes from, and properties sitting high in the network are the first to notice if nobody designs for it. The extra main is there to hold current pressures for customers in elevated areas.
For anyone who has worked in a road reserve, the sequence is familiar before the first bucket goes in the ground: locate what’s already down there. Gas, comms, power and existing water all tend to share the same strip of verge in a regional township, and Before You Dig Australia referrals are the starting point, not the paperwork afterthought. Traffic management obligations in a live corridor sit under WorkSafe Victoria.
What it means for Gippsland trades
The money here is already committed across two levels of government and the ground is already open, which is the part that matters if you’re weighing up a second crew or an apprentice. This isn’t a proposal waiting on an approval that may or may not land in eighteen months. It’s a funded pipeline in construction now.
Work of this shape is steady rather than spectacular. A linear main moves along its alignment at whatever pace the ground and the traffic plan allow, with reinstatement following behind the laying crew, and the commissioning side, testing and the changeover of supply, handled by the water authority at the end.
The thing to watch locally is the traffic. Gippsland Water has told road users along the pipeline alignment to allow extra travel time and follow traffic controls, and Traralgon-Maffra Road is the route plenty of utes take to get to work. If your run crosses that alignment, build the delay into your start time rather than your excuses.
Frequently asked questions
Which towns will connect to the new pipeline?
Glengarry, Toongabbie, Cowwarr and Rosedale will move from the Tyers Water Treatment Plant onto the Traralgon network once the Traralgon-Tyers Interconnect is complete.
Who is paying for the Traralgon-Tyers Interconnect?
The project is jointly funded by the Australian Government through the National Water Grid Fund and the Victorian Government, with Gippsland Water delivering the works.
Why are the towns being moved off the Tyers plant?
Gippsland Water says the Tyers plant can be affected by extreme weather events and may not meet required demand or water quality standards, so moving the towns to the Traralgon plant improves reliability.
Will the project affect traffic?
Yes. Most of the pipeline runs through road reserves along Traralgon-Maffra Road, and Gippsland Water has asked road users along the alignment to allow extra travel time and follow traffic controls.
Sourced from Utility magazine. Original article.
