At amber alert levels, blue-green algae may be multiplying in numbers.
The water may have a green tinge and musty or organic odour and should be considered as unsuitable for potable use and alternative supplies or prior treatment of raw water for domestic purposes should be considered.
The water may also be unsuitable for stock watering.
The water remains suitable for recreational use, however algal concentrations can change rapidly.
Water users should use caution and avoid water where signs of blue-green algae present.
Amber alerts are current at the Gulpa Creek at Mathoura, Edward River at Old Morago and in the Murray River at Picnic Point, Moama and Tocumwal.
At green alert levels, blue-green algae are present in the water at low densities, possibly signalling the early stages of the development of a bloom, or a period where a bloom is declining.
At these densities, the blue-green algae do not pose a threat to recreational, stock or domestic use.
Green levels are current at in the Edward River at Deniliquin, Billabong Creek at Jerilderie, Wakool River at Wakool-Barham Rd and Murray River at Barham.
The only ‘red’ alert levels warnings in NSW are in the Dalring River, and at Menindee Lakes.
An interactive map of algae alerts is available at www.waternsw.com.au/water-services/water-quality/algae-alerts.
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