Water

Water is the lifeblood of our world — 
a taonga, an asset, and a gift that sustains life.

Our Kūmānu Water team manages the full journey of water through our communities to protect public health, support safety, and reduce environmental impact. We deliver drinking water from treatment plants to properties, ensure wastewater is safely conveyed to treatment facilities, and manage stormwater as it moves through natural and built environments toward the sea.

Our operators and service staff run and maintain the networks, pumps, reservoirs, and treatment plants, and carry out sampling and water-quality monitoring. Our electricians build and maintain the automation systems that control the network, while our civil tradespeople construct essential infrastructure including pipelines, pump stations, and reservoirs.

Specialist technicians and qualified professionals support this work with modern monitoring tools that assess system performance, asset condition, and the chemical and biological health of the water. Their insights help asset owners make informed decisions and ensure our water systems remain reliable, resilient, and environmentally responsible.

Our services

3 Waters Operations & Maintenance
Our teams maintain vital water systems (drinking, wastewater, stormwater). They proactively inspect and repair infrastructure to prevent faults, ensure public health, and rapidly respond to all emergencies. 
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Two workers in orange safety vests installing a concrete structure in a coastal, rocky landscape with distant mountains and overcast skies.
Water Infrastructure Projects
Our Water Projects teams design and build the 3 Waters backbone (civil, mechanical, electrical). They deliver high-quality reservoirs, treatment plant upgrades, and stormwater solutions for long-term performance.
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Technician wearing a high-visibility vest inspecting a wall of electrical control panels inside an industrial facility.
Electrical Services
Our electrical teams manage and maintain 3 Waters electrical and control systems, including switchboards, power distribution, and mechanical equipment (pumps, motors). They specialise in complete solutions for automation and programming.

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Small restored stream running through dense native vegetation with industrial buildings in the distance.
Waterways & Coastal
Our team manages waterways and coastal assets for flood conveyance and environmental protection. We ensure these critical systems efficiently move water while supporting valuable ecosystems and high aesthetic, cultural, and economic value for communities.
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Roadside lined with orange traffic cones and a pedestrian detour sign, with vehicles and shops visible further down the street.
Traffic Managment Solutions
The Kūmānu team provides compliant, cost-effective Traffic Management Plans (TMPs) for projects like civil construction and events that impact road boundaries. They manage all traffic responsibilities, ensuring safety and compliance.
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Aerial view of a water treatment facility beside a coastal estuary, with ponds, tanks, and surrounding landscape at sunrise.
Water Asset Management
Our Water Asset Management teams provide the expertise and systems to manage all 3 Waters assets (water, wastewater, stormwater) through their full lifecycle. This involves data analysis, performance optimisation, and renewal planning. Their integrated approach ensures services are resilient, efficient, and environmentally responsible.

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Calm wetland pond surrounded by reeds and native vegetation, with birds flying low over the water and distant mountains under a bright blue sky.Close-up view of wetland pond with reeds in the foreground, birds skimming the water, and mountains under a clear blue sky.

Projects

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