A $7 million plan for three new water towers across Warrnambool is in the pipeline as residential development puts pressure on the city's water resources.
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To stop shower pressure potentially turning into a trickle, three sites on the city's outskirts been earmarked for new towers.
Wangoom Road, Wollaston Road and the Hopkins Point areas could see new towers erected within the next four years.
Wangoom Road will be the first to get a new tower with Wannon Water looking at a site east of Aberline Road.
A site has been identified at the top of the hill on Wollaston Road, but Wannon Water managing director Andrew Jeffers said it was not locked in.
Mr Jeffers said the need for new towers was an issue of water pressure, not a lack of supply, with existing facilities nearing capacity.
"We supply water in a pressure range, you don't want it too high because then it causes problems with people's plumbing because it blows valves or taps, and you don't want it too low because then the shower doesn't work properly," he said.
While Wannon Water is looking at erecting towers, Mr Jeffers said they may end up being another type of water storage with a pump.
He said the city's five other water towers, including the 125-year-old one at the top of Liebig Street, had served the region well.
"We're mindful of water towers having impacts on communities and also mindful that impact is for some a positive and some a negative," Mr Jeffers said.
Work on a $40 million upgrade of Warrnambool's sewerage treatment plant - Wannon Water's biggest ever infrastructure project - will also begin later in the year.
The project will include substantial upgrades to the screening systems at the plant in the wake of the illegal dumping of nurdles through the plant in November 2017.
Mr Jeffers said there were 127 ocean outfalls across Australia, and very few did any final screening before it was released into the ocean.
"We'll be setting a new standard and trend," he said.
Wannon Water has also recently completed $400,0000 extension works on its roof water harvesting program which will cater for 580 future houses in the city's north-east growth corridor.
The scheme makes use of the excess rainwater falling on roofs after people's tanks are full.
It first began in 2011 and has now been expanded to include industrial sheds at the Gateway Business Park in Horne Road.
Over the next 30 years, roofs of 3000 homes will contribute 471 million litres of water each year to Warrnambool's supply.
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