Red Alert warnings lifted for Mannus Lake

Red Alert warnings lifted for Mannus Lake

28 February 2019

The red alert warning for Mannus Lake has now been reduced to a Green Alert.

Monitoring conducted by the Snowy Valleys Council has shown that concentrations of blue-green algae have declined to Green alert levels prompting the lifting of the Red Alert.

At these concentrations, algae would not normally be visible, however some species may affect taste and odour of water even at low numbers and does not pose any problems for recreational, stock or household use. It is however advised not to drink untreated water from the storage due to the risk of stomach upsets.

While on a Green Alert, the water is generally considered suitable for water sports, but users are advised to exercise caution.

Water users should use personal discretion at all times before entering a water body and be aware that algal situation can change quickly.

Blue-green algae occur naturally and can reproduce quickly in favourable conditions where there is still or slow-flowing water, abundant sunlight and sufficient levels of nutrients.

Blue-green algae usually appear as green paint-like scums on the water, near the edges, or as greenish clumps throughout the water. It makes the water appear dirty, green or discoloured and generally has a strong musty or earthy odour.

People who believe they may have been affected by blue-green algae are advised to seek medical advice.

Updates about blue-green algae blooms and red level warning areas can be obtained by calling 1800 999 457 or visiting – http://www.waternsw.com.au/water-quality/algae

Media Contact – Tony Webber – 0428 613 478

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Sunday 26 May
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1,384,921 ML
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10,091 ML
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Sunday 26 May