Health New Zealand issued the warning in December after concerning levels of cyanobacteria was detected in the lake.

A person has been poisoned by bacteria after swimming in an infested Canterbury lake. Te Whatu Ora last week issued a warning about toxic blue-green algae in Lake Hood near Ashburton. National Public ...

Health New Zealand | Te Whatu Ora has lifted its algal bloom health warning issued for Lake Pegasus on 2 December 2024. Recent water testing at Lake Pegasus has shown the quantity of potentially toxic ...