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Community Wastewater Schemes

Rangitīkei District Council owns seven reticulated wastewater schemes that have a replacement value of $657M. They provide wastewater services to residents of:

  • Marton
  • Taihape
  • Bulls
  • Koitiata
  • Mangaweka
  • Hunterville
  • Rātana

The quality of the effluent discharged from the seven systems into the rivers and streams within the district are regulated by Resource Consent conditions, which ensure the potential negative effects associated with the discharges are managed to acceptable levels.

Between 2021 and 2024, Council is undertaking an ambitious project of works to improve and future proof our wastewater systems. We have four tranches of work to undertake:

Asset Management Strategy

In 2019, we started to revise our Asset Management Strategy for the drinking water, wastewater and storm water assets. The strategy will include more detailed assessments of asset performance and conditions of the Three Waters networks. Collecting more accurate asset data will continue for the next three years and is expected to be completed by 2024. On completion, the new asset management strategy will produce a 30-year prioritised programme of works for renewals, performance upgrades and network growth for the Three Waters assets.

The following factors will significantly contribute to infrastructure investment decisions:

  • changing demand for services;
  • rising public health and environmental outcomes;
  • resilience; and
  • Affordability.

Renewals: Every year for the next ten years, Council will invest $500,000 to replace pipes and pumping stations across our district, with a focus on known network issues and assets that are at the end of their expected lifespan.

Consents: Taihape Wastewater Treatment Plant Consent Application – Council will develop the application with Iwi to accommodate their requirements ahead of filing the application to Horizons Regional Council. Council is also working on a new consent applications for the Marton to Bulls Wastewater Centralisation project and the new Rātana treated wastewater discharge to land.

Asset Management Plan 3 Waters 2021-2031

Wastewater Projects

Major Projects we are committed to:


  • Marton to Bulls Centralisation Project – We have allocated $5.3M for the Marton to Bulls wastewater centralisation project, which includes upgrading the Bulls Wastewater Treatment Plant, linking the two towns with sewage pipes, and purchase of land for disposal of treated wastewater.
  • Rātana Wastewater project - $1.5M to complete the wastewater treatment plant upgrade and purchase of land for the disposal of treated wastewater.


  • Marton to Bulls Centralisation Project – We have allocated $6.7M to build the necessary infrastructure and upgrades required for this project. This is a three-year project.


  • Marton to Bulls Centralisation Project: We have allocated $8M to complete construction and the upgrades required. The project should be completed and become operational by the end of this financial year.

To find out the latest updates on these projects, please visit our Projects page.