Algae alerts

30 JANUARY 2025

Blue-green algae red alert lifted for Lachlan River at Willandra Weir

The red alert warning issued on 10 January for high levels of potentially toxic blue-green algae for the Lachlan River at Willandra Weir has been lifted, leaving the area on amber alert.
29 JANUARY 2025

Blue-green algae red alert lifted for Lake Wetherell site 2 near Menindee

The red alert warning that was issued on 24 December 2024 for high levels of potentially toxic blue-green algae for Lake Wetherell site 2 near Menindee has been lifted.
29 JANUARY 2025

Blue-green algae red alert for Lake Cargelligo

WaterNSW has issued a red alert warning for high levels of potentially toxic blue-green algae for Lake Cargelligo.
29 JANUARY 2025

Blue-green algae red alert lifted for Keepit Dam

WaterNSW has lifted the blue-green algae red alert warning issued on 16 January for Keepit Dam. Keepit is now on amber alert.
21 JANUARY 2025

Blue-green algae Red Alert for Lake Menindee

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for Lake Menindee.
17 JANUARY 2025

Blue-green algae Red Alert for Macintyre River at Inverell and Lake Inverell

WaterNSW has issued a Red Alert warning for high levels of blue-green algae for Macintyre River at Inverell including Lake Inverell.
16 JANUARY 2025

Blue-green algae Red Alert for Beardy Waters

WaterNSW has issued a Red Alert warning for high levels of blue-green algae at Beardy Waters Dam and Beardy Waters Weir near Glen Innes.
16 JANUARY 2025

Blue-green algae Red Alert for Keepit Dam

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae at Keepit Dam.
15 JANUARY 2025

Blue-green algae red alert lifted for Toonumbar Dam and Iron Pot Creek immediately downstream of the dam

The red alert warning issued on 22 November 2024 for high levels of potentially toxic blue-green algae for Toonumbar Dam and Iron Pot Creek immediately downstream of the dam in the north of the state has been lifted. Toonumbar Dam and the downstream site are now on amber alert for blue-green algae.
15 JANUARY 2025

Blue-green algae Red Alert for Lake Cargelligo Outlet at Lake Creek

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for Lake Cargelligo Outlet at Lake Creek.

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