Warnings for high levels of toxic blue-green algae in Quipolly Dam near Quirindi have been downgraded.
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The red alert warning issued on February 9, 2024, for high levels of toxic blue-green algae in the dam has been lifted, replaced with an amber alert warning.
A WaterNSW spokesperson said, however, even under an amber alert the dam was still unsuitable for recreational activities.
"Untreated water should always be considered unsuitable for potable use. Boiling the water does not inactivate algal toxins," the spokesperson said.
"As algal numbers can change dramatically with changes in conditions, water users should avoid water which is discoloured or gives off an earthy or musty odour."
WaterNSW will continue routine water quality monitoring and advise any change as new results are received.
Blue-green algae is naturally occurring and can reproduce quickly in still or slow-flowing water when there is abundant sunlight and sufficient nutrients.
Visit the WaterNSW website for updates and information about blue-green algae blooms and red level warning areas.
