Algae alerts

2 APRIL 2025

Blue-green algae red alert lifted for Toonumbar Dam and Iron Pot Creek downstream of Toonumbar Dam

The red alert warnings issued for high levels of potentially toxic blue-green algae at Toonumbar Dam and Iron Pot Creek immediately downstream of the dam, on 18 February and 3 March respectively, have been lifted.

31 MARCH 2025

Blue-green algae Red Alert for Burrinjuck Dam at Good Hope

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for Burrinjuck Dam at Good Hope, on the Murrumbidgee River arm of the dam.

28 MARCH 2025

Blue-green algae Red Alert lifted for Burrendong Dam

WaterNSW has lifted the blue-green algae Red Alert warning issued on 10 March 2025 for Burrendong Dam. Burrendong Dam is now on Amber Alert.

28 MARCH 2025

Blue-green algae Red Alert lifted for Split Rock Dam

WaterNSW has lifted the blue-green algae Red Alert warning issued on 27 February for Split Rock Dam. Split Rock Dam is now on Amber Alert.

25 MARCH 2025

Blue-green algae Red Alert lifted for Barwon River at Mungindi

WaterNSW has lifted the blue-green algae Red Alert for Barwon River at Mungindi, including directly upstream and downstream of the township.

25 MARCH 2025

Blue-green algae Red Alert lifted for Great Darling Anabranch at Silver City Highway crossing

The Red Alert issued on 20 December 2024 for high levels of potentially toxic blue-green algae for the Great Darling Anabranch at Silver City Highway crossing has been lifted to an Amber Alert.

24 MARCH 2025

Blue-green algae red alert lifted for Windamere Dam

WaterNSW has lifted the blue-green algae red alert warning issued on 7 March for Windamere Dam. Windamere Dam is now on amber alert.

24 MARCH 2025

Blue-green algae Red Alert for Keepit Dam

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae at Keepit Dam, located approximately 40km north-west of Tamworth.

21 MARCH 2025

Blue-green algae Red Alert for Barwon River at Mungindi

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for Barwon River at Mungindi.

20 MARCH 2025

Blue-green algae Red Alert for Lake Menindee

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for Lake Menindee.

WaterNSW acknowledges the traditional custodians of the lands and waters on which we work and pay our respects to all elders past, present and emerging. Learn more