Algae alerts

10 JANUARY 2025

Blue-green algae Red Alert for the Lachlan River from Lake Brewster to Willandra Weir

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for the Lachlan River from the Lake Brewster outlet channel to Willandra Weir.

8 JANUARY 2025

Blue-green algae Red Alert lifted for Pindari Dam

WaterNSW has lifted the blue-green algae Red Alert warning issued on 27 August 2024 for Pindari Dam. Pindari Dam is now on Amber Alert.

6 JANUARY 2025

Blue-green algae Red Alert for Lake Brewster

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

24 DECEMBER 2024

Blue-green algae Red Alert for Lake Wetherell site 2 near Menindee

WaterNSW has issued a Red Alert warning for high levels of blue-green algae for Lake Wetherell site 2 near Menindee.

20 DECEMBER 2024

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

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for the Great Darling Anabranch at the Silver City Highway crossing.

19 DECEMBER 2024

Red alert lifted for algae at Shoalhaven River

WaterNSW has lifted the red alert warning for the Shoalhaven River from the boat ramp near Nowra Bridge downstream to the mouth of the river following two consecutive results below red alert levels.

17 DECEMBER 2024

Blue-green algae Red Alert for lower Darling River at Tolarno and Pooncarie

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for the lower Darling River at Tolarno and Pooncarie.

13 DECEMBER 2024

Blue-green algae Red Alert lifted for Macintyre River at Boggabilla, Toomelah and Goondiwindi

WaterNSW has lifted the Red Alert warning issued on 22 November for the Macintyre River at Toomelah, Boggabilla and Goondiwindi. The Macintyre River at Boggabilla is now on Amber Alert.

12 DECEMBER 2024

Blue-green algae red alert lower Darling River at Ellerslie

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae for the lower Darling River at Ellerslie.

6 DECEMBER 2024

Blue-green algae Red Alert in vicinity of Lake Menindee Outlet Regulator

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

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