Blue green algae warning Lake Wallace

Published on 18 March 2024


Regular testing has detected levels of blue-green algae above levels considered safe for recreation use at Lake Wallace in Edenhope.

Public advisory: avoid direct contact with the water. People may still boat, sightsee and enjoy other activities at the lake that do not involve direct water contact.

Warning signs have been positioned at major recreational areas around the lake and will remain in place while the warning is current.


  • Avoid direct contact with affected water.
  • Affected water not be used for cooking, drinking, washing/showering or any other domestic use. Boiling the affected water will not make it safe to use.
  • If you come into contact with the affected water, you should wash the area skin exposed immediately in clean water.
  • Those experiencing any health issues after being in contact with blue-green algae affected water should seek immediate medical advice.

Blue-green algae facts:

  • Blue-green algae occurs naturally and can be dangerous to humans and animals.
  • Characteristic signs of algae contact are skin rashes or itchiness, sore eyes, ears and nose; or if swallowed, nausea or vomiting.
  • Pet owners should prevent pets from drinking or having direct contact with blue-green algae affected water.
  • It is not possible to predict how long the algae will remain at high levels within the lake.

Anglers wanting more information please visit Victorian Fisheries Authority website at and search on ‘blue-green algae’.

GWM Water will continue to monitor the lake regularly and will keep the community informed of any changes regarding blue-green algae alerts through our disruptions website page at

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