Algae alerts

7 MARCH 2023

Red Alert, blue-green algal warnings lifted for Murray River at Murray Downs as well as the Wakool River at Wakool-Barham Road crossing

The red alert warnings for blue-green algae for the Murray River at Murray Downs as well as the Wakool River at the Wakool-Barham Road crossing were lifted following two consecutive algal sample results of lower than red alert level. Both sites are now on amber alert for blue-green algae.
7 MARCH 2023

Red Alert blue-green algal warning lifted for Hume Dam

The red alert warning for blue-green algae for Hume Dam has been lifted following two consecutive algal sample results of lower than red alert level. Hume Dam is now on amber alert for blue-green algae.
1 MARCH 2023

Blue-green Algae Red Alert warning for Lake Ainsworth has been cleared

The Red Alert level warning issued by Ballina Shire Council for a high level of potentially toxic blue-green algae has been cleared for Lake Ainsworth in the North coast region.
24 FEBRUARY 2023

Blue-green algae Red Alert warning for Lake Brewster Inflow has been cleared

The red alert warning for blue-green algae for Lake Brewster Inflow was lifted following two consecutive algal sample results of lower than red alert level. The site is now on amber alert for blue-green algae.
24 FEBRUARY 2023

Blue-green algae Red Alert for Wyangala Dam Wall Station 1

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Wyangala Dam Wall Station 1. Water users downstream of the storage should apply caution and regularly check water supplies.
21 FEBRUARY 2023

Blue-green algae Red Alert warning for Windamere Dam has been cleared

The previously issued Red Alert level warning (high alert) for toxic blue-green algae has been cleared for Windamere Dam located near Mudgee in the Central West region.
17 FEBRUARY 2023

Blue-green algae Red Alert warning for Burrendong Dam has been cleared

The previously issued Red Alert level warning (high alert) for toxic blue-green algae (Cyanobacteria) has been cleared for the Burrendong Dam in the Central West region located 30 kilometres south-east of Wellington in the Central West region.
17 FEBRUARY 2023

Blue-green algae Red Alert warning for Chaffey Dam and the Peel River downstream of the storage has been cleared

The previously issued Red Alert level warning (high alert) for toxic blue-green algae (cyanobacteria) has been cleared for Chaffey Dam located 35 kilometres South-East of Tamworth and for the Peel River below the storage.
17 FEBRUARY 2023

Blue-green algal red alert issued for the Murray River at Murray Downs

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae for the Murray River at Murray Downs.
17 FEBRUARY 2023

Blue-green algal red alert issued for the Wakool River the Wakool-Barham Road crossing

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae for the Wakool River at the Wakool-Barham Road crossing.

Related links

Algae Alerts NSW map

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