Algae alerts

22 DECEMBER 2022

Blue-green algae Red Alert warning for Cudgegong River below Windamere Dam and Mudgee has been cleared

The previously issued Red Alert level warning (high alert) for toxic blue-green algae has been cleared for Cudgegong River below Windamere Dam and Mudgee in the Central West region.

19 DECEMBER 2022

Blue-green Algal Red Alert Issued for Glenbawn Dam

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Glenbawn Dam in the upper Hunter region.

19 DECEMBER 2022

Blue-green algal red alert issued for Carcoar Dam

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae in Carcoar Dam.

13 DECEMBER 2022

Blue-green algal red alert issued for Lake Hume

WaterNSW has issued a red alert advisory for high levels of blue-green algae at Lake Hume.

12 DECEMBER 2022

Blue-green algal red alert issued for two locations in Wyangala Dam

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae at the Junction of the Lachlan & Abercrombie Rivers as well as the Junction of the Lachlan River & Sandy Creek.

5 DECEMBER 2022

Blue-green algal Red Alert issued for Windamere Dam and the Cudgegong River downstream Windamere Dam to Mudgee

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Windamere Dam and the Cudgegong River downstream of Windamere Dam to Mudgee in the Central West region.

2 DECEMBER 2022

Blue-green algae Red Alert for the Manilla River below Split Rock Dam to Manilla

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for the Manila River below Split Rock Dam extending to the township of Manilla.

1 DECEMBER 2022

Blue-green algae Red Alert for Commissioners Waters and the Gara River at, and downstream of the Blue Holes

Barwon RACC has now placed Commissioners Waters, the Gara River at Blue Holes including downstream, located East of Armidale on Red Alert for algae. This alert is placed from visual observations of scum. All water users on the Commissioners Waters, downstream of the Gara River and Commissioners Waters junction should seek alternate water supplies until we can confirm algae composition and concentration.

22 NOVEMBER 2022

Blue-green algal red alert issued for Bowna Arm at Lake Hume

WaterNSW has issued a red alert advisory for high levels of blue-green algae at the Bowna Arm of Lake Hume. Other monitoring stations (Dam wall, Ebden, Bethanga and below the resort) remain at Amber alert level.

16 NOVEMBER 2022

Blue-green algae Red Alert for Copeton Dam storage

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Copeton Dam near Inverell. Water users downstream of the storage should apply caution and regularly check water supplies.

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