A HEALTH warning has been issued for Windamere Dam with people, animals and livestock warned not to touch the water due to "potentially toxic" blue-green algae.
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The alert was issued by Water NSW on Tuesday afternoon, with a number of strict recommendations issued.
"People should not undertake recreational activities where they may come into direct contact with the water such as swimming, as well as domestic use including showering and washing," the alert stated.
"Contact with the water may also pose a threat to livestock and pets."
Water NSW states that this species of blue-green algae identified was potentially toxic.
"People are advised not to enter the water, drink untreated water or bathe in water drawn from the dam while this red alert warning remains in place," the warning continues.
"Algae may cause gastroenteritis in humans if consumed and skin and eye irritation after contact with the water.
"Boiling the water does not remove algal toxins. Town water supplies remain unaffected and safe to drink."
Stock and domestic users should be on the lookout for algal scums and seek alternate supplies if needed.
WaterNSW is continuing to monitor the situation.
Safety recommendations
- People should not eat mussels or crayfish from red alert warning areas.
- Any fish caught should be cleaned thoroughly in uncontaminated water and any internal organs disposed of before consumption.
- Livestock owners are reminded to check stock water supplies for blue-green algae and to remove stock from foreshores where surface scum is visible or blue-green algae are suspected.
What does blue-green algae look like?
Blue-green algae usually appear as green paint-like scums on the water, near the edges, or as greenish clumps throughout the water.
It makes the water appear dirty, green or discoloured and generally has a strong musty or earthy odour.
Blue-green algae occur naturally and can reproduce quickly in favourable conditions where there is still or slow-flowing water, abundant sunlight and sufficient levels of nutrients.
It is not possible to predict how long the algae will remain at high levels.
People who believe they may have been affected by blue-green algae are advised to seek medical advice.
Updates about blue-green algae blooms and red level warning areas can be obtained by calling 1800 999 457 or visiting Water NSW.
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