Lake Red Alert Lifted

The red alert warning for Blue Green Algae at Lake Ainsworth has now been lifted by Ballina Shire Council.

This is following consecutive results over the past two weeks which were below red alert levels. Following a red alert, Council must have two consecutive tests a week apart below red alert level before the site can be reopened.

Lake Ainsworth is now at amber alert with some visible scums still present in areas of the Lake.

As the red alert has been lifted there are no longer any restrictions on recreational activities, however areas where visible scums are present should be avoided.

Council will continue to monitor the algae levels as there is a risk of another bloom occurring due to the recent red alert and current weather conditions.

The algae status of Lake Ainsworth is updated weekly on Council’s website

Updates about blue-green algae blooms and red level warning areas can be obtained by calling NSW Water on 1800 999 457 or visiting

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