Blue Green Algae warning for Mooroopna Recreation Reserve Lake

Posted on Monday 8th of December, 2025,

Greater Shepparton City Council is warning the public to avoid direct contact with water in the Mooroopna Recreation Reserve Lake after detecting high levels of blue-green algae.

In Summary

  • Council has issued a public warning after high levels of blue-green algae were detected in the Mooroopna Recreation Reserve Lake.
  • Warning signs have been placed around the first lake and water testing is ongoing, although the lake remains open for non-water-based activities.
  • Direct contact with affected water may cause health issues in humans and animals, and Council advises against swimming, drinking, or using the water for pets or cooking.
  • Residents are encouraged to seek alternative water sources and follow health guidance from Goulburn-Murray Water.

Blue-green algae occurs naturally in waterbodies. They contain toxins that are harmful to humans and animals. Signs of algae contact include skin rashes or itchiness, sore eyes, ears and nose, or if swallowed, nausea or vomiting.

Warning signs have been positioned around the first lake and will remain in place while high levels of blue-green algae are present. Council staff are also conducting water testing.

Mooroopna Recreation Reserve Lake will not be closed to the public.

Council recommends water users of Mooroopna Recreation Reserve Lake seek an alternative water supply. You can still enjoy other activities at Mooroopna Recreation Reserve that do not involve direct contact with the water.

Council recommends:

  • People and pets do not enter the water.
  • People who come into contact with affected water should wash affected skin immediately in clean cold water.
  • Seek an alternative water supply for pets.
  • Do not use affected water for cooking, drinking, washing or showering. Boiling the affected water will not make it safe for these purposes.
  • Additional information on blue green algae can be found at Goulburn-Murray Water’s blue-green algae webpage to be informed of the risks.

It is not possible to predict how long the algae will remain at high levels. Council is continuing to monitor the situation at Mooroopna Recreation Reserve Lake.

Water supplied by Council is not suitable for human consumption without first being properly treated. Human consumption includes showering, bathing, washing, cooking, ice making and drinking.

Visit the BetterHealth website for more information about blue-green algae and your health or phone NURSE-ON-CALL on 1300 606 024.

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