Toxic algae is a common name for toxic cyanobacteria - naturally occurring bacteria that live in shallow, stoney rivers like the Tukituki. Some cyanobacteria produce toxins that can be dangerous to humans and animals.
We know that the Tukituki catchment sometimes has high levels of toxic algae during the summer months.
There are signs at areas where there may be more toxic algae during a typical summer. The risk of contact can change in quickly, so it's important for the public to be very careful and look out for the algae. Toxic algae is easy to spot, and the signs show images of what to look out for.
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