Project overview
Learn the history of the project, and why changes needed to be made to the way wastewater was treated in Cambridge.
Explore the wastewater treatment plant
Click on the icons below to find out more about the many features of this state-of-the-art plant. Enlarge the image to full screen by clicking the arrow icon in the top right corner.
Deep dive into the project
Learn more the project history, its features and stakeholder partnerships.
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Kaitiaki Group
The Kaitiaki Group was established at the beginning of the consent process and had a crucial role in developing a long-term wastewater treatment solution for Cambridge. Read more about the group here.
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Environmental standards
Environmental standards have improved over time, and the Council now has greater aspirations - and legal responsibilities - to protect and enhance the health of the Waikato River.
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New features
Learn about the new features that meet higher environmental standards and align with cultural values, as well as having a smaller site footprint.
How far we've come
Progress photos
Join us on a pictorial journey of the construction.
Image 1 of 18
Timeline
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Timeline item 1 - complete
Contracts awarded - March 2023
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Timeline item 2 - complete
Consent granted - September 2023
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Timeline item 3 - complete
Construction started - late 2023
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Timeline item 4 - complete
Enabling works - May 2024
- ground works
- site preparation
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Timeline item 5 - complete
Outfall Structure - April 2024
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Timeline item 6 - complete
UV Building - May 2024
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Timeline item 7 - active
Stage 2 - June 2024 - March 2026
In this stage we will be building:
- Main plant building
- Bioreactor tanks
- Pump station
- Septage receival tanks
- Chemical area
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Timeline item 8 - incomplete
Commissioning the plant - March 2026
- Equipment testing - including pipe flushing, pressure testing, and electrical tests
- Functional testing - components and systems are working
- Connecting the systems - connected and checked to make sure they are working harmoniously
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Timeline item 9 - incomplete
Site Transferred to new consent
No later than December 2026
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Timeline item 10 - incomplete
Wetlands and solar farm remediation - March - September 2026
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Timeline item 11 - incomplete
Site remediation - March 2026
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Timeline item 12 - incomplete
Unveiling event
Got a question or a comment about the wastewater treatment plant?
This is the place to ask or let us know. (max 140 characters).
Media releases
- May 2025: Behind the scenes at the Cambridge Wastewater Treatment Plant
- March 2025: Cambridge Wastewater Treatment Plant ahead of schedule, on budget
- December 2024: Cambridge Wastewater Treatment Plant Build on Track
- October 2024: Cambridge Wastewater Treatment Plant wins special award
- June 2024: Cambridge wastewater treatment plant reaches another milestone
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