Warnings and Alerts

Regional Council staff have observed mats of toxic algae in the Tukituki River at Black Bridge. This algae can be on bedrock or free-floating in the water.  The Regional Council advises caution for this swim spot, and encourages users to keep an eye out for toxic algae - particularly for dogs t...

Regional Council staff have observed mats of toxic algae in the Tutaekuri River at Expressway Bridge. This algae can be on bedrock or free-floating in the water.  The Regional Council advises caution for this swim spot, and encourages users to keep an eye out for toxic algae - particularly for...

Temporary red status based on the latest sample - 23/02/2026. An update to this alert level is expected on 04/03/2026.