Phormidium - River cyanobacteria warnings
24 NOV 2020
By ENVIRONMENT CANTERBURY
HEALTH WARNING UPDATE ISSUED BY CDHB: River warnings are now in place for potentially toxic benthic algae (cyanobacteria) in the:
Opihi River at Saleyards Bridge
Selwyn River below Glentunnel swimming hole
Waihao River at Bradshaws Bridge
Selwyn River at Whitecliffs Domain (camping area) and u...