Nature Calls document library

Photo shows tank filled with wastewater slurry.

Nature Calls is our project to determine how Palmerston North's wastewater is treated and discharged in future.

On this page you can find project documents as far back as 2017, when we first started work to decide on a best practicable option

Consultation documents

Nature Calls Have Your Say Booklet 2020(PDF, 3MB)

Nature Calls Have Your Say Booklet 2021(PDF, 3MB)

Media releases

Nature Calls media releases 2017-21(PDF, 275KB)

Council reports

August 2021: Wastewater best practicable option: Final assessment & BPO selection [full report, including appendices](PDF, 13MB)

September 2021: Approval of best practicable option for Palmerston North wastewater solution(PDF, 468KB)

Technical reports

Council considered these technical reports at its 25 August meeting.

Appendix A: BPO shortlist option report(PDF, 2MB)

Appendix B: Comparative cost assessment report(PDF, 308KB)

Appendix C: MCA assessment report(PDF, 6MB)

Appendix D: Māori values MCA assessment report(PDF, 8MB)

Appendix E: Stakeholder & community engagement assessment(PDF, 5MB)

Appendix F: Objectives assessment(PDF, 378KB)

Appendix G: Eco-city strategy assessment(PDF, 2MB)

Appendix H: RMA planning assessment(PDF, 828KB)

Appendix I: BPO scoring workshop report(PDF, 382KB)

Appendix J: Draft BPO assessment and recommendation report(PDF, 1MB)

Appendix K: Legal Memo, Three Waters and BPO(PDF, 126KB)

Wastewater factsheets 2019-20

1. Our wastewater networks(PDF, 455KB)  

2. Wastewater treatment, best practice and innovation(PDF, 596KB)

3. Palmerston North's existing wastewater scheme(PDF, 414KB)

4. Resource Management Act and consent process(PDF, 774KB)

5. Understanding the effects on the Manawatū River(PDF, 3MB)

6. Best practicable options review: project background(PDF, 434KB)

7. Best practicable options review: vision, objectives & timeline(PDF, 2MB)

2020-21 factsheets

Contaminants factsheet(PDF, 1MB)

Ocean and coastal health(PDF, 2MB)

Problem statement factsheet(PDF, 3MB)

River health(PDF, 815KB)

Shortlist feedback(PDF, 1MB)

Shortlist options summary(PDF, 2MB)

Treatment assessments(PDF, 2MB)

Wastewater systems and sustainability(PDF, 2MB)

Project documents

Assessment stages and criteria(PDF, 2MB)