Algae alerts

23 JANUARY 2023

Blue-green algal red alert issued for Chifley Dam

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae (High Alert) for Chifley Dam on behalf of Bathurst Regional Council. Chifley Dam is located approximately 20km South of Bathurst.
23 JANUARY 2023

Blue-green algal red alert issued for Lake Brewster

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae at Lake Brewster Inflow, the inflow wetland upstream of eastern spillway, the regulator channel as well as the outlet channel.
16 JANUARY 2023

Blue-green Algae Red Alert warning for Glenbawn Dam has been cleared

The Red Alert level warning issued by WaterNSW for a high level of potentially toxic blue-green algae has been cleared for Glenbawn Dam in the upper Hunter region.
3 JANUARY 2023

Blue-green algal red alert issued for three additional locations at Wyangala Dam

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae at three additional Wyangala Dam locations. The locations are at the Inland Waters Park, the dam wall and the Lachlan River immediately downstream of the dam.
23 DECEMBER 2022

Blue-green algae Red Alert warning for Split Rock Dam and the Manilla River Below Split Rock dam to Manilla has been cleared

The previously issued Red Alert level warning (high alert) for toxic blue-green algae has been cleared for Split Rock Dam, and the Manilla River from Split Rock Dam to the township of Manilla in the Barwon Region.
22 DECEMBER 2022

Blue-green algae Red Alert for Pindari Dam storage

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Pindari Dam near Inverell. Water users downstream of the storage should apply caution and regularly check water supplies.
22 DECEMBER 2022

Blue-green algal Red Alert issued for Burrendong Dam and the Macquarie River downstream Burrendong Dam to Dubbo

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Burrendong Dam and the Macquarie River downstream of Burrendong Dam extending to and past Dubbo in the Central West region. This alert is based on visual observations that are supported by satellite imagery.
22 DECEMBER 2022

Blue-green algae Red Alert warning for Cudgegong River below Windamere Dam and Mudgee has been cleared

The previously issued Red Alert level warning (high alert) for toxic blue-green algae has been cleared for Cudgegong River below Windamere Dam and Mudgee in the Central West region.
19 DECEMBER 2022

Blue-green Algal Red Alert Issued for Glenbawn Dam

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Glenbawn Dam in the upper Hunter region.
19 DECEMBER 2022

Blue-green algal red alert issued for Carcoar Dam

WaterNSW has issued a red alert advisory for high levels of potentially toxic blue-green algae in Carcoar Dam.

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