WaterNSW

With 41 major dams and hundreds of waterways, we’re the people taking care of the state’s water at the source – capturing, storing, delivering.

[WaterNSW @WaterNSW]

The downgraded alert is based on sampling data, satellite imagery and visual observations and follows a public alert issued on 12 and 19 March. The alert level is now at amber alert. https://t.co/N4WkIgoJVM

[WaterNSW @WaterNSW]

WaterNSW has issued a red alert warning for high levels of potentially toxic blue-green algae for the Murrumbidgee River downstream of Tantangara Reservoir to Cooma. The alert has been put in place based on satellite imagery and visual observations. https://t.co/8wUplgOpOB

[WaterNSW @WaterNSW]

WaterNSW has issued a red alert warning for high levels of potentially toxic blue-green algae for Woolgarlo at Lake Burrinjuck. https://t.co/8AB4hJKPZ0

[WaterNSW @WaterNSW]

WaterNSW has issued a red alert warning for high levels of potentially toxic blue-green algae for the Great Darling Anabranch at the Silver City Highway crossing. https://t.co/qSRpFhNYfi

[WaterNSW @WaterNSW]

WaterNSW has issued a Red Alert advisory for high levels of blue-green algae for Oberon Dam. https://t.co/gB7njUyNgy

[WaterNSW @WaterNSW]

WaterNSW has issued a Red Alert advisory for high levels of potentially toxic blue-green algae for Burrendong Dam. https://t.co/Rqk3JhC9qs

[WaterNSW @WaterNSW]

WaterNSW has lifted the blue-green algae red alert warning issued on 20 January 2026 for Lake Cargelligo. https://t.co/hZyxSl42A3

[WaterNSW @WaterNSW]

WaterNSW has lifted the blue-green algae Red Alert warning issued on 12 January 2026 for the Toonumbar Dam, located in the north-east of the state, about 30 km west of Kyogle. https://t.co/KSkNAkQS0R

[WaterNSW @WaterNSW]

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for the Lake Brewster Outlet Channel. https://t.co/dkOBTvsgG8

[WaterNSW @WaterNSW]

WaterNSW has issued a red alert warning for high levels of potentially toxic blue-green algae for Lake Cargelligo as three locations: the inlet (town water source), Lake Cargelligo boat ramp and the Lake Cargelligo outlet at Lake Creek. https://t.co/xd74ZrmVWv

[WaterNSW @WaterNSW]

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for Toonumbar Dam, located in the north-east of the state, about 30 km west of Kyogle. https://t.co/9jfO7HdyY1

[WaterNSW @WaterNSW]

WaterNSW has issued a Red Alert warning for high levels of potentially toxic blue-green algae for the Hunter River upstream of Glenbawn Dam. The alert applies from Belltrees downstream to the upper reaches of the lake. It does not apply to Lake Glenbawn. https://t.co/vegzGWsUNv

[WaterNSW @WaterNSW]

WaterNSW has issued a precautionary Red Alert warning for high levels of potentially toxic blue-green algae for Lake Menindee. https://t.co/o8NpLZN52R

[WaterNSW @WaterNSW]

WaterNSW has lifted the blue-green algae Red Alert warning issued on 17 December 2025 for Fitzroy Falls Lake, located about 20 kilometres south-east of Bowral. Fitzroy Falls Lake is now on Amber Alert. https://t.co/TGPn5EDt8k

[WaterNSW @WaterNSW]

The Murrumbidgee IVT account balance has reached 83.8GL prompting trade to open from the #Murrumbidgee to the #Murray. Applications accepted from 10am at https://t.co/hsOT0tkHpT

[WaterNSW @WaterNSW]

WaterNSW has issued a precautionary Red Alert warning for high levels of potentially toxic blue-green algae for Yanga Lake. https://t.co/CzWN2Slcgl

[WaterNSW @WaterNSW]

WaterNSW has issued a red alert warning for high levels of potentially toxic blue-green algae for Fitzroy Falls Lake located about 20 kilometres south-east of Bowral. https://t.co/85HnCnBkCV

[WaterNSW @WaterNSW]

WaterNSW has issued precautionary advice to people in the Louth area to avoid contact with the Darling-Baaka River due to the likelihood of high levels of potentially toxic blue-green algae. https://t.co/QQaxW0iIQo

[WaterNSW @WaterNSW]

WaterNSW has issued a red Alert warning for high levels of potentially toxic blue-green algae for the Namoi River at Walgett. https://t.co/XOagBh0tAW

[WaterNSW @WaterNSW]

WaterNSW has issued a red alert warning for high levels of potentially toxic blue-green algae for Malpas Dam located south-east of Guyra and to the north of Armidale. https://t.co/9QFX8X8pyy