Algae alerts

8 MAY 2023

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

The red alert warning for blue-green algae for the Lake Brewster System was lifted following two consecutive algal sample results of lower than red alert level. The Lake Brewster System is now on amber alert for blue-green algae.
8 MAY 2023

Blue-green algae Red Alert warning for Lachlan River at Willandra Weir has been cleared

The red alert warning for blue-green algae on Lachlan River at Willandra Weir has been lifted after two consecutive algal samples showed levels below the red alert threshold. The site is now on an amber alert for blue-green algae.
8 MAY 2023

Blue-green algal red alert issued for the Talyawalka Creek at the Menindee-Pooncarie Road crossing near Menindee

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae for the Talyawalka Creek at the Menindee-Pooncarie Road crossing near Menindee.
8 MAY 2023

Blue-green Algae Red Alert warning for Lake Lyell has been lifted

The Red Alert level warning issued by WaterNSW on behalf of Greenspot, Wallerawang for a high level of potentially toxic blue-green algae has been cleared for Lake Lyell near Lithgow after sampling conducted by EnergyAustralia.
4 MAY 2023

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

The red alert warning for blue-green algae at Carcoar Dam has been lifted after two consecutive algal samples showed levels below the red alert threshold. The site is now on an amber alert for blue-green algae.
3 MAY 2023

Blue-green algal red alert issued for Bogan River at Gongolgon

WaterNSW has issued a Red Alert (High Alert) advisory for Bogan River at Gongolgon located 45km south of Brewarrina.
28 APRIL 2023

Blue-green algae Red Alert warning for Wyangala Dam Wall Station 1 has been cleared

The red alert warning for blue-green algae at Wyangala Dam Wall Station 1has been lifted after two consecutive algal samples showed levels below the red alert threshold. The site is now on an amber alert for blue-green algae.
21 APRIL 2023

Blue-green Algae Red Alert warning for Copeton 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 Copeton Dam near Inverell in the Barwon region.
21 APRIL 2023

Blue-green Algae Red Alert Issued for Lake Lyell

A Red Alert level warning for high levels of potentially toxic blue-green algae has been issued for Lake Lyell near Lithgow after sampling conducted by Energy Australia.
12 APRIL 2023

Blue-green algae Red Alert for Burrinjuck Dam - Goodhope

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Burrinjuck Goodhope. Caution should be applied in the waters extending to the Taemas Bridge upstream of Goodhope and to the junction of the Yass and Murrumbidgee rivers.

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