Blue green algae Red Alert warning lifted at Lake Wetherell

Blue green algae Red Alert warning lifted at Lake Wetherell

24 September 2019

The high-level algal warning (Red Alert) that was in place at Lake Wetherell (Sites 1 and 4), near Menindee, has been lifted.

Monitoring conducted by WaterNSW has shown that concentrations of blue-green algae have declined, prompting the removal of the Red Alert.

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

Updates about blue-green algae blooms and red level warning areas can be obtained by calling 1800 999 457 or visiting our algae webpage.

Media Contact – Tony Webber – 0428 613 478
General inquiries – Elizabeth Symes- 02 6022 5326


Wednesday 12 May
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Wednesday 12 May