Lake Moondarra Capacity

Tuesday 19 February 2019 – 87.7%

 

Lake Julius Capacity

Tuesday 19 February 2019 – 99.5%

 

 Blue Green Algae Level

Blue Green Algae Level - Low

Level: Medium Date Sampled: 28 January 2019

 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

Who are the Mount Isa Water Board’s customers?

The Mount Isa Water Board’s major customers are Mount Isa City Council, Mount Isa Mines, and Incitec Pivot Ltd. SunWater subsidiary, North West Queensland Water Pipeline Pty Ltd purchases electricity from Mount Isa Water Board, making them our four largest customer.

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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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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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Why was a water levy imposed?

The levy, in place during 2014-15 financial year, was a matter for Mount Isa City Council. As per the Mount Isa Water Board’s contract with Council, the essential major expense associated with implementing the emergency leased filtration system was passed on at cost price.

As part of negotiations for new equipment in 2015, the Mount Isa Water Board has negotiated with the supplier to secure a substantial reduction in charges effective 1 February 2015 for the current filtration system. The cost was now been reduced from $250,000 per month to $10,000 per month, saving Council $1.19 million in the 2014-15 financial year which was been rebated to rate payers.

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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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