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Quality water solutions

Tonkin + Taylor offers a comprehensive range of water infrastructure and treatment services. We specialise in integrated water resource management that supports economic and social wellbeing – without compromising the environment and the sustainability of vital ecosystems.

Our team of scientists, engineers, planners, and consultants work with clients, partners, and communities to facilitate the development, maintenance, and enhancement of water infrastructure, create innovative solutions, and to provide invaluable data and insights.

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

We provide customised solutions on every phase of a project – from development through to management. Solutions we offer include investigations, feasibility studies, environmental effects assessments, and integrated design, regulatory requirements, construction supervision, commissioning, and operational monitoring, extreme risk analysis and projection modelling, and adaptation and mitigation planning for climate change and natural hazard resilience.

Water is one of Earth’s most valuable resources and we’re committed to proactive, long-term approaches to water stewardship, resource management, and asset management to ensure future water security, the protection of public health, and the preservation of precious water environments.

Market Info


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


  • 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

Recent Projects

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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