Warnings and Alerts

Active warnings and alerts for Wellington Region

Porirua Wastewater Treatment Plant Overflow into Tītahi Bay

8 DEC 2023 By GREATER WELLINGTON REGIONAL COUNCIL

Due to an overflow of partially treated effluent from the Porirua Wastewater Treatment Plant, water quality may currently be affected in Tītahi Bay. We advise no swimming or other recreational activities, including the collection of kai moana, in this area until 10th of December
Toxic Algae: Caution Advised for Hutt River Upstream of Silverstream Bridge

8 DEC 2023 By GREATER WELLINGTON REGIONAL COUNCIL

There is currently an amber alert toxic algae warning in place at Hutt River Upstream of Silverstream Bridge 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...
Toxic Algae: Caution Advised for Waikanae River at SH1

6 DEC 2023 By GREATER WELLINGTON REGIONAL COUNCIL

There is currently an amber alert  toxic algae warning in place for the Waikanae River at State Highway One due to an observed increase of 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 an...
Toxic Algae: Warning in place for Waipoua River!

4 DEC 2023 By GREATER WELLINGTON REGIONAL COUNCIL

There is currently a red alert toxic algae warning in place for the Waipoua River 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 Pakuratahi River at Kaitoke Campground

28 NOV 2023 By GREATER WELLINGTON REGIONAL COUNCIL

There is currently an amber alert toxic algae warning in place at Pakuratahi River at Kaitoke Campground 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 aw...
Toxic Algae: Warning in place for Hutt River at Silverstream!

28 NOV 2023 By GREATER WELLINGTON REGIONAL COUNCIL

There is currently a red alert toxic algae warning in place at Hutt River at Silverstream 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 recom...
Toxic Algae: Caution Advised for Hutt River at Melling Bridge

28 NOV 2023 By GREATER WELLINGTON REGIONAL COUNCIL

There is currently an amber alert toxic algae warning in place for the Hutt River for Melling Bridge due to moderate amounts of toxic algae and a few detached mats starting to be observed. We recommend you exercise caution when swimming, especially if you have young children that may put things in...
Toxic Algae: Caution Advised for Hutt River at Taita Rock

28 NOV 2023 By GREATER WELLINGTON REGIONAL COUNCIL

There is currently an amber alert toxic algae warning in place for the Hutt River at Taita Rock due to moderate amounts of toxic algae and a few detached mats starting to be observed. We recommend you exercise caution when swimming, especially if you have young children that may put things in thei...
Ongoing caution Owhiro Bay

19 JAN 2022 By GWRC

The bathing monitoring site at the eastern side of the beach has generally been suitable for swimming, however due to ongoing contamination in Owhiro stream, particularly within 48 hours of heavy rainfall, we advise against swimming/playing in the stream or the vicinity of Owhiro stream outlet.
Ongoing caution Te Horo Beach at Sea Road

19 JAN 2022 By GWRC

Caution is advised in the area where the Mangaone Stream discharges freshwater across the beach due to ongoing contamination issues. A health warning sign has been erected in the vicinity of the stream mouth. The coastal area on either side of the freshwater discharge is generally suitable for rec...