Algae alerts

12 FEBRUARY 2024

Blue-green algal red alert issued for the Menindee Lakes at Lake Wetherell Site 4 / Menindee Main Weir

WaterNSW has issued a red alert advisory for high levels of blue-green algae for the Menindee Lakes at Lake Wetherell Site 4 / Menindee Main Weir.
12 FEBRUARY 2024

Blue-green algae Red Alert for 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.
12 FEBRUARY 2024

Blue-green algal Red Alert issued for Lachlan River at Hillston

WaterNSW has issued a Red Alert advisory for high levels of blue-green algae for the Lachlan River at Hillston.
9 FEBRUARY 2024

Blue-green algal Red Alert issued for Quipolly Dam

WaterNSW has issued a Red Alert (high alert) advisory for high levels of potentially toxic blue-green algae for Quipolly Dam on behalf of Liverpool Plains Shire Council. Quipolly Dam is located approximately 10km north-east of Quirindi.
9 FEBRUARY 2024

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

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Burrinjuck Dam at Good Hope.
7 FEBRUARY 2024

Blue-green algae red alert lifted for Darling Anabranch at Silver City Highway crossing

The red alert warning for blue-green algae at Darling Anabranch at the Silver City Highway crossing has been lifted after two consecutive algal samples showed levels below the red alert threshold.
7 FEBRUARY 2024

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

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae for Iron Pot Creek immediately downstream of the Toonumbar dam in the north of the state. Previously issued red alert advisory for the Toonumbar Dam remains in place for high level of potentially toxic blue-green algae.
6 FEBRUARY 2024

Blue-green algal red alert issued for Lake Brewster outlet channel

WaterNSW has issued a red alert advisory for high levels of blue-green algae for Lake Brewster outlet channel.
6 FEBRUARY 2024

Red, blue-green algal warning lifted for Lake Brewster regulator channel

The red alert warning for blue-green algae that was issued for Lake Brewster regulator channel has been lifted. The red alert was lifted following two consecutive laboratory reports for algal samples of lower than red alert level. Lake Brewster regulator channel is now on amber alert for blue-green algae.
1 FEBRUARY 2024

Blue-green algal red alert issued for Burrinjuck Dam at Woolgarlo

WaterNSW has issued a red alert advisory for high levels of blue-green algae for Burrinjuck Dam at Woolgarlo.

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