Warnings and Alerts

Regional Council staff have observed mats of toxic algae in the Tukituki River at Walker Road. This algae can be on bedrock or free-floating in the water.  Due to recent heavy rainfall, the reduced water clarity has meant we have been unable to assess whether this toxic algae is still present a...

Regional Council staff have observed mats of toxic algae in the Tukituki River at SH2 Bridge. This algae can be on bedrock or free-floating in the water. Due to recent heavy rainfall, the reduced water clarity has meant we have been unable to assess whether this toxic algae is still present at this...

Temporary amber status based on the latest sample - 26/01/2026. An update to this alert level is expected on 04/02/2026.