Health Alerts

Read the latest health alerts from Canterbury District Health Board.

Please contact the media team if you would like to know more about any of these health alerts or have a media enquiry. You can also visit the Community and Public Health website for more public health information.

If you would like to read older health alerts please look in our health alerts archive.​

Health Warning - Opihi River at Salesyard Bridge

​Monitoring has identified relatively high cover of potentially toxic cyanobacteria algae in the Opihi River at Salesyard...

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Health Warning - Algal Bloom in the Ashley River near Rangiora-Loburn Bridge

A moderate cover of potentially toxic blue-green algae (benthic cyanobacteria) were found in the Ashley River near the...

Toxic algal bloom warning in Saltwater Creek at Coonoor Road, Timaru

Monitoring has identified relatively large amounts of a potentially toxic planktonic (free floating) cyanobacteria in Saltwater...

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Toxic algal bloom in Lake Forsyth

Community and Public Health (a division of Canterbury DHB) has issued a health warning after potentially toxic blue-green algae...

Page last reviewed: 29 September 2015
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