The Mardi to Warnervale Pipeline has been fully operational since March 2021 and since then, approximately 2,400ML, or 1,000 Olympic swimming pools of water, have been transferred. 

The 9.4km pipeline is the largest infrastructure project delivered by Central Coast Council to date, and has been delivering significant benefits for the region.

Central Coast Council Director Water and Sewer, Jamie Loader, said the Mardi to Warnervale Pipeline boosts water security for the rapidly growing northern suburbs and the entire region.

“Since completing this critical piece of water supply infrastructure we have moved significant volumes of water to service the Coast’s major northern growth corridor including Warnervale Town Centre,” Mr Loader said.

“The pipeline runs from Mardi Water Treatment Plant right through to Sparks Road at Warnervale and enables bulk water transfers – up to 30ML a day – between the Central Coast and Hunter.”

Mr Loader said that the pipeline has increased the region’s capability for bulk water transfers between the Central Coast and the Hunter region, improving water security for both areas. 

“The Mardi to Warnervale Pipeline stretches for 9.4km and is 1m in diameter. It passes through rural land holdings, the outer edge of the residential area of Watanobbi, and along the fringes of the environmentally sensitive Council lands of Porters Creek Wetland,” Mr Loader said. 

“Through extensive research and community consultation we selected the most suitable route for the pipeline and used build techniques such as trenchless construction to ensure environmentally sensitive areas were protected.”

Council Administrator, Rik Hart, said it is vital that steps are taken to ensure water security for the Central Coast.

“Water is key to everything that we do and water infrastructure projects are vital to ensure we can meet the needs of this rapidly growing region now and into the future,” Mr Hart said.

“The Mardi to Warnervale Pipeline – delivered ahead of deadline and under budget, despite the challenges of COVID – enables continued economic growth and is a piece of infrastructure the Coast can be proud of.”

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