Lake Moondarra Capacity

Wednesday 18 July 2018 – 57.7%

 

Lake Julius Capacity

Wednesday 18 July 2018- 90.8%

 

 Blue Gree Algae Level

Blue Green Algae Level - Low

Level: Medium Date Sampled: 10 July 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 +

 FAQS

Does blue-green algae cause Motor Neurone Disease?

Following media coverage on this topic Queensland Department of Health have released a statement.

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Why do we have a filtration system? What happened to Clear Water Lagoon?

In late 2013, a significant blue-green algae bloom caused Clear Water Lagoon’s natural filtration process to fail. This resulted in the water in the lagoon being unsuitable for Mount Isa Water Board to supply to Mount Isa City Council for use by the Mount Isa community without subsequent filtration. As there was no likelihood that the algae bloom could be resolved within a suitable timeframe, the Mount Isa Water Board urgently sourced a filtration system as an interim measure to ensure the continued supply of clean water to Mount Isa City Council.

The blue-green algae bloom in Clear Water Lagoon grow to be potentially the largest ever recorded in a Queensland water supply system. Levels of blue-green algae have risen to never before seen levels of more than 6 million cells per millilitre in March 2015 — 10,000 cells per millilitre is considered normal and acceptable.

While investigations are currently being undertaken into the future of Clear Water Lagoon, the Mount Isa Water Board now considers a filtration system essential to future operations. Recent events have demonstrated that Clear Water Lagoon can no longer be relied on to the extent it has been in the past and will not be able to meet the process assurance requirements of modern drinking water standards. A permanent water filtration facility has now been established to assure Mount Isa’s drinking water quality.

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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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Is Mount Isa’s water safe to drink?

Yes. Mount Isa’s water is safe. The Mount Isa Water Board conducts more than 10,000 water-quality tests per year to ensure the water meets Australian Drinking Water Guidelines.

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How much will the new water treatment infrastructure cost and who will pay for it?

The Mount Isa Water Board is investing $9.2 million into new, permanent micro-filtration water treatment infrastructure. This investment will be paid for by the Mount Isa Water Board from existing cash reserves, and the infrastructure will form part of the Board’s capital asset base.

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