Algae alerts

24 FEBRUARY 2025

Precautionary blue-green algae Red Alert lifted for the Lachlan River at Hillston and Booligal

The precautionary Red Alert warning issued on the 19th of February 2025 for high levels of potentially toxic blue-green algae for the Lachlan River at Hillston and Booligal has been lifted to a Green and Amber Alert respectively.

19 FEBRUARY 2025

Precautionary blue-green algae red alert for Lachlan River at Hillston and Booligal

WaterNSW has issued a precautionary red alert warning for high levels of potentially toxic blue-green algae for the Lachlan River at Hillston and Booligal.

19 FEBRUARY 2025

Blue-green algae red alert for Lachlan River at Willandra Weir

WaterNSW has issued a red alert warning for high levels of potentially toxic blue-green algae for the Lachlan River at Willandra Weir.

18 FEBRUARY 2025

Blue-green algae Red Alert for Toonumbar Dam

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for Toonumbar Dam in the north of the state.

18 FEBRUARY 2025

Blue-green algae Red Alert for Warraweena Creek

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae in Warraweena Creek, located 35 km northeast of Bourke.

4 FEBRUARY 2025

Blue-green algae Red Alert for Lake Canobolas

WaterNSW has issued a Red Alert warning for high levels of blue-green algae for lake Canobolas near Orange, NSW.

4 FEBRUARY 2025

Blue-green algae red alert lifted for Darling River at Burtundy

The red alert warning issued on 13 January 2025 for high levels of potentially toxic blue-green algae for the Darling River at Burtundy has been lifted. The Darling River at Burtundy is now on amber alert.

30 JANUARY 2025

Blue-green algae red alert lifted for Lachlan River at Willandra Weir

The red alert warning issued on 10 January for high levels of potentially toxic blue-green algae for the Lachlan River at Willandra Weir has been lifted, leaving the area on amber alert.

29 JANUARY 2025

Blue-green algae red alert lifted for Lake Wetherell site 2 near Menindee

The red alert warning that was issued on 24 December 2024 for high levels of potentially toxic blue-green algae for Lake Wetherell site 2 near Menindee has been lifted.