Blue-green algal Red Alert warning lifted for the Lachlan River at Corrong

Blue-green algal Red Alert warning lifted for the Lachlan River at Corrong

24 February 2021

The red alert warning for blue-green algae for the Lachlan River at Corrong has been lifted following two consecutive algal sample results of lower than red alert level. The site is now on amber alert for blue-green algae.

The red alert warning for blue-green algae for the Lachlan River at Corrong has been lifted following two consecutive algal sample results of lower than red alert level. The site is now on amber alert for blue-green algae.

While on an Amber alert, the water is generally considered to be suitable for water sports, but water users are advised to exercise caution. It is also advised not to drink untreated or boiled water from this sampling site due to the risk of stomach upsets. Boiling the water does not inactivate algal toxins. The water should be considered unsuitable for potable use and alternative supplies or prior treatment of raw water for domestic purposes should be considered.

As algal numbers can change dramatically with changes in conditions, water uses should avoid water which is discoloured or gives off an earthy or musty odour.

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

Water NSW will continue routine water quality monitoring and advise of any change as new results are received.

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.

Updates and information about blue-green algae blooms and Red Alert 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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