Gold Coast lake off limits after algae outbreak

A LAKE on the Gold Coast will remain closed to the public for the foreseeable future while council crews work to improve its water quality following a toxic algae outbreak.

Lake Hugh Muntz at Mermaid Waters is currently experiencing a blue green algae bloom – the third such outbreak in the last 12 years.

The 17ha lake, which retains and treats stormwater from roads, gardens and roofs, is up to 12 metres deep and contains enough water to fill around 282 Olympic-sized swimming pools.


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For the past 10 years, the City has been proactive in monitoring and improving the lake’s water quality.

“Water quality data will be provided to experts in the field of water quality improvement and water chemistry who will provide recommendations on current best practice for managing and reducing the occurrence of algal blooms in the lake,” Council said in a statement on Thursday.

“Algal blooms are a common and naturally occurring component of most marine and freshwater ecosystems and can be caused by various environmental conditions such as warmer temperatures, water turnover and nutrient levels.

“Blooms like this can persist for extended periods of time until nutrient sources are depleted.

“When the water quality is deemed unsuitable for primary recreation, the public is advised not to enter the water.”

Water sampling will occur again on Wednesday March 21 and Council will continue to monitor the issue, with the aim of re-opening the lake as soon as it is safe to do so.

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For the past 10 years, the City has been proactive in monitoring and improving the lake’s water quality.

10 years is a long time just fill ot in and build more unit blocks on it.