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Draft pressure sewer systems policy

We’ve developed a draft policy for the use of pressure sewer systems in Palmerston North. Pressure sewer systems are an accepted alternative to conventional gravity sewer systems.

The policy and supporting documentation below set out the circumstances in which Council may require or allow the use of pressure sewer systems.

The policy proposes mandatory use of pressure sewer systems in several new residential and commercial growth areas in the city. It also details the application and approval process as well as the specific arrangements and obligations for ongoing operation and maintenance.

We're now considering feedback on the draft policy. The deadline for feedback was 5pm, Friday 2 November 2018.

What's a pressure sewer system?

Conventional wastewater systems use gravity flow to move sewage from your home to a central treatment plant. A pressure sewer system instead pumps sewage from a small pump station at each property. The combined power of each individual pump moves the sewage to the treatment plant.

This is an advantage in areas with poor ground conditions, because you don't need to bury the pipes as deep.

Each pump station has a grinder. This breaks down the solids in raw wastewater before pumping it into the Council sewer mains.

Contact us

If you've any questions or would like to talk to someone about the draft pressure sewer systems policy, please contact PNCC Investigations and Planning Team Leader, Helen Churton. Email or phone 06 356 8199