Lake Moondarra Capacity

Thursday 22 March 2018 – 68.0%


Lake Julius Capacity

Thursday 22 March 2018 – 100%


 Blue Gree Algae Level

Blue Green Algae Level - Low

Level: Medium Date Sampled: 18 July 2017

 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 +


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.

View All FAQs +

How is the Mount Isa Water Board managed?

The Mount Isa Water Board is governed by a Board of Directors that monitor the business and operational performance. The business is managed by a Chief Executive and staff.

View All FAQs +

What are the roles of the Mount Isa Water Board and Mount Isa City Council in the supply of water to the city?

The Mount Isa Water Board is responsible for supplying bulk treated water to Mount Isa City Council. The Board conducts extensive water quality tests to ensure the water meets Australian Drinking Water Guidelines.

Once the Mount Isa Water Board has provided the water to Mount Isa City Council, the Council is responsible for the supply of water to Mount Isa residents through its extensive pipe network. Mount Isa City Council is also responsible for conducting further chlorination and testing of the water prior to its distribution to residents.

View All FAQs +

Where does our raw water come from?

Mount Isa’s raw water is supplied from either Lake Moondarra or Lake Julius. Lake Moondarra is 13 km downstream from Mount Isa and Lake Julius is more than 60km away. In normal conditions, all water is supplied from Lake Moondarra. However, when there is a drought, water is also supplied from Lake Julius.

View All FAQs +

Are blue-green algae unsafe?

Some species of blue-green algae produce a toxin that can cause a reaction in susceptible people if it is swallowed or gets on the skin. Reactions include a rash, hayfever-like symptoms or stomach aches. Drinking water supplied by MIWB is suitably treated to ensure it is safe to drink.

View All FAQs +
More FAQs +