Lake Moondarra Capacity

Thursday 15 November 2018 – 45.3%


Lake Julius Capacity

Thursday 15 November 2018 – 81.2.0%


 Blue Green Algae Level

Blue Green Algae Level - Low

Level: Low Date Sampled: 12 October 2018

 Open Data

The Mount Isa Water Board is committed to the Queensland Government’s Open Data initiative. The Board has developed an Open Data Strategy detailing our data assessment processes and identifying data planned for release and the release schedule. The strategy reinforces our commitment to making a range of information available to the community. Learn More +


Is the water tested?

Yes. The Mount Isa Water Board undertakes regular water quality monitoring in Clear Water Lagoon, Lake Moondarra, Lake Julius, and in the water distribution system. More than 10,000 water-quality tests are conducted each year to ensure water supplied to MICC meets Australian Drinking Water Guidelines.

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What are the current water restriction levels?

Water restrictions are set by Mount Isa City Council. Level 2 water restrictions came into effect on Monday 3 May 2015. For more information, visit

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How much water does Mount Isa use?

In February 2015, approximately 16.9 mega litres (or 16.9 million litres) of water is being used on average each day in Mount Isa. This equates to approximately 600 litres per person per day.

This water usage is considerably higher than the same time last year. In February 2014, approximately 11.4 mega litres (or 11.4 million litres) of water was used on average in Mount Isa each day. This equates to approximately 400 litres per person per day.

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Does Lake Julius water cost the same as Lake Moondarra water?

No. Lake Julius is much further away from Mount Isa so it costs approximately twice as much to supply water from Lake Julius compared to Lake Moondarra.

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What’s being done to increase the city’s supply of clean water?

The Mount Isa Water Board has implemented a long-term solution to expand filtration capacity to a reliable average of more than 22 megalitres per day from March 2015. This will increase the amount of water that can be provided to Mount Isa City Council for local use and reduce the need for restrictions, subject to rainfall.

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