The new Orange to Blayney and Carcoar pipeline is now up and running with water now flowing from the treatment centre in Carcoar to the water storage in Millthorpe.
Chairman of Central Tablelands Water Cr David Somervaille said that the water was not flowing between CTW and Orange, but that it was flowing within Orange and separately within the CTW network.
"Orange is now using it to get potable water to Spring Hill for the first time and CTW is using it to get water to Millthorpe in lieu of the old pipeline that went to Millthorpe," he said.
"So it's being used internally within each system, but it's not linking the two."
Cr Somervaille said that the new pipeline also brings together the Carcoar and Blayney filtration plants.
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"Prior to this the two CTW plants (in Blayney and Carcoar) were islands and if something happened in the Blayney plant we couldn't get treated water from Carcoar and vica-versa, but now we can." he said.
The 61 kilometre underground pipeline effectively links the Macquarie and Lachlan water catchments.
Orange Mayor, Reg Kidd said the new two-way pipeline between Blayney and Carcoar is a major upgrade to local water infrastructure that the region needs.
“When we started work on this project, water levels in local dams were much higher than they are today. This two-way pipeline, which lets water be sent to our neighbour’s water supply network if there’s an emergency, is crucial infrastructure,” Mr Kidd said.