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River cyanobacteria warnings

HEALTH WARNING UPDATE ISSUED BY CDHB: 
River warnings are now in place for potentially toxic benthic algae (cyanobacteria) in the:

  • Rakahuri/Ashley River near the Rangiora-Loburn AND SH1 Bridges
  • Downstream of the Otukaikino/Waimakariri River confluence between the Motorway and Main North Rd bridges

Mats are detaching and have been observed accumulating along the river edges.

There are also other access points along these rivers that may have cyanobacteria present and people are advised to check for the presence of cyanobacteria and avoid contact.

For more information of what potentially toxic cyanobacteria is and what to look out for, visit: https://ecan.govt.nz/…/your-e…/water/cyanobacteria-warnings/ and read our factsheet.