Warnings and Alerts

Active warnings and alerts for Ruamāhanga River

• Toxic Algae: Warning in place for Waingawa River at South Rd

  27 JAN 2025 By GREATER WELLINGTON REGIONAL COUNCIL

  There is currently a red alert toxic algae warning in place at Waingawa River at South Rd due to high levels of toxic algae being observed. The presence of detached mats has also been observed. This makes it easily accessible and represents the highest risk to young children and dogs.     We recomme...
• Toxic Algae: Caution advised for Waiohine River at State Highway 2

  27 JAN 2025 By GREATER WELLINGTON REGIONAL COUNCIL

  There is currently an amber alert toxic algae warning in place at Waiohine River at State Highway 2 due to an observed increase in toxic algae.     We recommend you exercise caution when swimming, especially if you have young children that may put things in their mouth.   Keep dogs on leads and away...
• Toxic Algae: Caution advised Ruamahanga at Waihenga

  22 JAN 2025 By GREATER WELLINGTON REGIONAL COUNCIL

  There is currently an amber alert toxic algae warning in place at Ruamahanga at Waihenga due to an observed increase in toxic algae.   We recommend you exercise caution when swimming, especially if you have young children that may put things in their mouth. Keep dogs on leads and away from the...
• Toxic Algae: Warning in place for Waipoua River at Colombo Rd Bridge

  22 JAN 2025 By GREATER WELLINGTON REGIONAL COUNCIL

  There is currently a red alert toxic algae warning in place at Waipoua River at Colombo Rd Bridge due to high levels of toxic algae being observed.   We recommend no swimming and keeping dogs away from this part of the river until further notice. Toxic algae represents a very real risk to human...
• Toxic Algae: Warning in place for Ruamahanga at Double Bridges, Te Ore Ore, The Cliffs and Kokotau

  13 JAN 2025 By GREATER WELLINGTON REGIONAL COUNCIL

  There is currently a red alert toxic algae warning in place for the reach of the Ruamahanga River that includes the sites at Double Bridges, Te Ore Ore, The Cliffs and Kokotau due to the presence of detached mats. This makes it easily accessible and represents the highest risk to young children and...