Warnings and Alerts

Canterbury DHB’s Community and Public Health unit has issued a health warning after potentially toxic blue-green algae (planktonic cyanobacteria) was found in Wainono Lagoon. People should avoid the lake and animals, particularly dogs, should not be allowed near the water until the health warning h...

HEALTH WARNING UPDATE ISSUED BY CDHB: River warnings are now in place for potentially toxic benthic algae (cyanobacteria) in the: Tributary of Waiau Uwha River at the Waiau Township Selwyn River/Waikirikiri at Glentunnel  Pareora River at SH1 Mats are detaching and have been observed accumul...

UPDATE (19 October 2021): Warning for Te Wairewa/Lake Forsyth. Potentially toxic blue-green algae (planktonic cyanobacteria) was found in Te Wairewa/Lake Forsyth. People and animals, particularly dogs, should avoid Te Wairewa/Lake Forsyth until further notice. For more information on what poten...