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Water infrastructure + treatment solutions

Tonkin + Taylor provides integrated water infrastructure, resource management, and treatment solutions that support communities, protect ecosystems, and build long-term resilience. Our scientists, engineers, planners, and consultants collaborate with clients, partners, and communities to plan, design, manage, and improve water systems. We offer practical insights, technical know-how, and data-led solutions at every project stage. Our water services support the full project lifecycle and include hydrology, hydrogeology, water supply and quality, irrigation, drainage, dam engineering, river science, catchment management, ecology, stormwater management, groundwater management, wastewater treatment, asset management, strategic planning, digital solutions, and programme delivery

We support projects from early investigations and feasibility studies through environmental assessments, design, consenting, construction supervision, commissioning, operations monitoring, risk analysis, climate adaptation, and resilience planning. We help clients take a proactive, long-term approach to water stewardship and infrastructure, ensuring future water security while protecting public health and vital ecosystems.

Groundwater Services
Dams + Hydro Services

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If you’re planning a new project, we’re here to help. Contact our water team here.

hydrology, hydrogeology, water supply and quality, irrigation, drainage, dam engineering, river science, catchment management, ecology, stormwater management, groundwater management, wastewater treatment, asset management, strategic planning, digital solutions, and programme delivery.

Our Water specialist services include

Services

  • Advisory – strategic planning, asset management, programme delivery, engagement
  • Water resources management (ground, waste, storm) 
  • Infrastructure planning, design, delivery, and management
  • Treatment, supply, and disposal
  • Natural hazards, climate resilience, blue-green solutions
  • Digital services and solutions

Markets

  • National/State Government agencies 
  • Regional/Local Government  
  • Development agencies 
  • Water services entities 
  • Private sector 

Recent Projects

Maitai Aeration System

Maitai Aeration System

Rotorua Lakes Stormwater Detention Dams: Morey Street + Linton Park

Rotorua Lakes Stormwater Detention Dams: Morey Street + Linton Park

Waimea Community Dam

Waimea Community Dam

Aniwhenua Hydropower Scheme Headpond Remediation

Aniwhenua Hydropower Scheme Headpond Remediation

Western Isthmus Water Quality Improvement Programme (WIWQIP)

Western Isthmus Water Quality Improvement Programme (WIWQIP)

Flood Management Programme (GWRC)

Flood Management Programme (GWRC)

HAM-5 Groundwater 3D Modelling for Hutt Valley

HAM-5 Groundwater 3D Modelling for Hutt Valley

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Looking for innovative and sustainable solutions for your next project?

Get in touch – together we create and sustain a better world.

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