Phormidium - River cyanobacteria warnings
23 NOV 2021
By ENVIRONMENT CANTERBURY
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...