Mount Isa Water Board says it is investing $3.6 million in the city's future water supply, by building a new electrical switchyard and high voltage infrastructure to replace the original built in 1958.
The switchyard connects the electricity supply from Mount Isa Mines to the Water Board's main pumping station at Clear Water Lagoon, which moves 18 million litres of clean drinking water for residents and 30 million litres of semi-treated water for industrial customers every day.
The Clear Water Lagoon project consists of a new switchyard and associated high voltage electrical infrastructure with a series of 33,000 volt switches, transformers and pump control equipment.
Mount Isa Water Board CEO Stephen Farrelly said the new switchyard would be commissioned in the coming weeks and help secure the reliability of Mount Isa's future water supply and .
"It is a critical part of the water supply network and the upgrade will help to make sure Mount Isa continues to have safe and reliable water for decades to come," Mr Farrelly said.
"Construction commenced four months ago but has now reached a critical point with the existing switchyard to be shut down for a few weeks to finish construction."
Mr Farrelly said the Lake Julius pumping station will provide water supply during the shutdown, and the new switchyard is expected to be commissioned mid-year."
"It has taken an enormous amount of planning to ensure the shutdown will be well managed to maintain normal water supplies."
Local water supply comes from Lake Moondarra 13kms downstream of Mount Isa and Lake Julius 60kms downstream.
MIWB says that because all of the city's water needs to be pumped to customers, Mount Isa requires almost as much electricity to supply water for 20,000 people as Canberra with 450,000 residents.
They say the total Water Board charges to Mount Isa City Council averages $1.50 per 1000 litres about half the amount paid by Brisbane water users.
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