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 
 Waimoku Stream  2 Jans Terrace, Ōākura  12/5/2020  Reticulation sewage  No swimming and do not collect shellfish

Warning ceases: 14/05/2020

 Do not collect shellfish

Warning ceases:9/06/2020

 Pipe damaged by unknown third party. Sewage spilled down bank. The flow has  stopped and site cleaned and sanitised.
Unnamed Tributary  East End Beach  12/5/2020  Reticulation sewage  No swimming and do not collect shellfish

Warning ceases: 14/05/2020

 Do not collect shellfish

Warning ceases: 9/06/2020

Manhole overflowed into the stormwater culvert. Blockage cleared, site cleaned and sanitised.
 Tasman Sea - Waiwhakaiho River Mouth  New Plymouth Waste Water Treatment Plant  18/4/2020  Partially treated waste water

 Do not collect shellfish

Warning ceases: 16/05/2020

 Chlorine disinfection system failure caused the chlorine to fall below required limit in the discharged effluent.
Equipment has been restored.
Urenui River  Stormwater outlets onto the mudflats Unknown Likely septic tank discharge

No shellfish gathering and avoid the mudflats

Warning ceases: Ongoing

 Testing has found elevated levels of bacteria in the stormwater discharging onto the mudflats.
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.