Warnings and Alerts

Advisory Note: Potentially toxic algae mats found Dog owners are advised that potentially toxic algae mats have been observed at Lake Aviemore at the Waitangi boat ramp. Advice is to restrict dog access to this area and keep an eye out for black mats floating near the shore. If your dog becomes il...

Issued: 2 November 2022 Health Warning – Algal Bloom in Lake Pegasus Te Mana Ora Community and Public Health, part of Te Whatu Ora National Public Health Service, has issued a health warning after potentially toxic blue-green algae (planktonic cyanobacteria) was found in Lake Pegasus. People sh...

Permanent Health Warning for Algal Bloom at Mata Kopae/St Anne’s Lagoon. Issued: 7 July 2022 Long term water testing indicates that potentially toxic cyanobacteria bloom periodically in Mata Kopae/St Anne’s Lagoon. There is a permanent health warning advising people (and animals) to avoid contact...

8 February 2022 Canterbury DHB’s Community and Public Health unit has issued a health warning after potentially toxic blue-green algae (planktonic cyanobacteria) was found in Te Waihora (Lake Ellesmere). People should avoid the Lake and animals, particularly dogs, should not be allowed near the wa...