Algae alerts

10 AUGUST 2023

Blue-green algae Red Alert warning for Lake Cargelligo Town Water Supply and Boatshed been cleared

The red alert warning for blue-green algae at Lake Cargelligo Town Water Supply and Lake Cargelligo Boatshed has been lifted after two consecutive algal samples showed levels below the red alert threshold. The sites are now on amber alert for blue-green algae.

26 JULY 2023

Blue-green algae Red Alert issued for the Hunter River upstream of Glenbawn Dam

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Hunter River upstream of Glenbawn Dam, from Belltrees to the upper reaches of the lake. The red alert does not apply to Lake Glenbawn.

21 JULY 2023

Blue-green algae Red Alert issued for Darling River at Tolarno

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

27 JUNE 2023

Blue-green Algae Red Alert warning for Darling River at Tolarno has been lifted

The Red Alert level warning issued by WaterNSW for a high level of potentially toxic blue-green algae has been lifted for Darling River at Tolarno. The site is now on amber alert for blue-green algae.

22 JUNE 2023

Blue-green algae Red Alert for Chaffey Dam storage

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Chaffey Dam near Tamworth.

19 JUNE 2023

Blue-green Algae Red Alert warning for Bogan River at Gongolgon has been lifted

The Red Alert level warning issued by WaterNSW for a high level of potentially toxic blue-green algae has been lifted for Bogan River at Gongolgon in the Central - Far West region near Brewarrina. This site is now on Amber Alert for blue-green algae.

15 JUNE 2023

Blue-green algae Red Alert warning Lake Brewster Regulator Channel has been cleared

The red alert warning for blue-green algae at Lake Brewster Regulator Channel has been lifted after two consecutive algal samples showed levels below the red alert threshold. Lake Brewster Regulator Channel is now on Amber alert for blue-green algae.

13 JUNE 2023

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

The red alert warning for blue-green algae at Burrinjuck Dam has been lifted after two consecutive algal samples showed levels below the red alert threshold. Burrinjuck Dam Goodhope and Burrinjuck Dam Woolgarlo are now on Amber alert for blue-green algae.

7 JUNE 2023

Blue-green Algae Red Alert warning for Pindari Dam has been lifted

The Red Alert level warning issued by WaterNSW for a high level of potentially toxic blue-green algae has been lifted for Pindari Dam North of Inverell. The dam is now on Amber Alert for blue-green algae.

1 JUNE 2023

Red, blue-green algal warning lifted for the Darling anabranch at the Silver City Highway crossing

The red alert warning for blue-green algae for the Darling anabranch at the Silver City Highway crossing 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.

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