| 33 INFRASTRUCTURE Waipā District Council: Cambridge WWTP T T Karen Phelps State-of-the-art plant a quantum shift The new facility is designed to handle wastewater from Cambridge, Leamington, Hautapu, and Karapiro Domain. PHONE: (07) 856-1870 | www.spartanconstruction.co.nz | EMAIL: admin@spartanconstruction.co.nz “ Leadership, innovation and unrivalled delivery ” The Waipā District Council is making significant strides towards the construction of a state-of-the-art wastewater treatment plant in Cambridge, marking a crucial step in the region’s commitment to environmental sustainability and river health. The ambitious project, slated to become one of New Zealand’s most advanced treatment facilities, is set to revamp the way wastewater is managed and discharged, resulting in cleaner waterways and a healthier environment. Led by Waipā District Council’s Manager of Water Services, Martin Mould, the project has received council approval and is currently awaiting resource consent, with a detailed design expected to be completed by the end of August. The council has teamed up with Spartan Construction and design firm Pattle Delamore Partners to bring the project to fruition. The new plant, anticipated to begin construction in October, is projected to become operational by June 2026. “This project marks a significant milestone for our council and community, representing the largest project we have ever embarked upon. The implications for our local river and the community are undeniably exciting,” says Martin. The existing wastewater treatment facility, located on Matos Segedin Drive, has been operational since the late 1970s. However evolving environmental standards and the area’s growing population necessitated the creation of a new, cutting-edge plant. The incoming facility is designed to handle wastewater from Cambridge, Leamington, Hautapu, and Karapiro Domain. “Our commitment goes beyond mere compliance; we are determined to set a new benchmark in wastewater treatment. The advanced Membrane Bioreactor (MBR) technology we are employing will ensure that the treated wastewater meets the highest standards,” says Martin highlighting the new plant’s paramount role in upholding environmental standards and safeguarding the Waikato River. The project entails a comprehensive approach to river health and sustainable infrastructure. The plant’s design optimises space usage, occupying only a third of the existing site’s footprint. The unused land will be repurposed for other valuable endeavours. Additionally biosolids produced by the plant will be used as compost through a third-party arrangement. The new plant is set to harness solar energy through its dedicated solar farm, thereby contributing to its own energy needs. Community engagement and inclusivity have been integral to the project’s development, says Martin. Waipā District Council has worked closely with a Kaitiaki Advisory Group and a community collective to ensure that community and cultural expectations are fully addressed. Martin says that this collaborative approach underscores the commitment to creating an infrastructure that aligns with both community needs and legal obligations. The project also reflects a broader initiative encompassing the Waikato sub-region. The collaborative efforts of Waipā District Council, Hamilton City Council, Waikato District Council, and tangata whenua have culminated in an in-depth business case that examines wastewater solutions. The endeavour has underscored the need for upgrading the Te Awamutu plant in the future, tentatively scheduled to begin in 2035. As the Cambridge project moves forward it is expected to be a testament to sustainable progress, effective collaboration, and a dedication to a healthier environment. “The project significantly lifts the quality of the wastewater going into the river. It’s a quantum shift in terms of treatment and process,” says Martin. “It marks a step towards a cleaner and more vibrant Waikato River, promising a future where environmental stewardship and community well-being thrive hand in hand.”
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