Sewage Overflow Alerts

This table shows recent wastewater overflows and related health warnings. Our Can I Swim? page includes these warnings as well as the water quality of the popular swimming and fishing locations in the district.

 Please note that MPI also issue toxic shellfish warnings, you can view them here.

 

Waterway affected   Discharge location Date of discharge  Waste type  Warning Comments 
Tasman Sea  Tisch Avenue   7/08/2019  

No Shellfish Gathering

Warning ceases: 4 September 2019

Sewer line blockage from tree roots caused an overflow of wastewater from a manhole. 
Bell Block Beach  Treatment Plant Outfall 1.2km off Waiwhakiho River Mouth  Historical  

No Shellfish Gathering

Warning ceases: Ongoing

Residual levels can accumulate in shellfish under normal wastewater treatment plant operation. Ongoing monitoring of shellfish in progress to confirm if signage can be removed.
Lake Rotomanu  Treatment Plant Outfall 1.2km off Waiwhakiho River Mouth  Historical  

No Shellfish Gathering 

Warning ceases: Ongoing

Residual levels can accumulate in shellfish under normal wastewater treatment plant operation. Ongoing monitoring of shellfish in progress to confirm if signage can be removed.
Waiwhakaiho River Mouth  Treatment Plant Outfall 1.2km off Waiwhakiho River Mouth 
Historical  

No Shellfish Gathering 

Warning ceases: Ongoing

Residual levels can accumulate in shellfish under normal wastewater treatment plant operation. Ongoing monitoring of shellfish in progress to confirm if signage can be removed.