Water Treatment Design & Build

We design, fabricate, and construct water and wastewater treatment systems that solve complex water quality challenges and meet regulatory compliance.

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Water Treatment Design

Integrated Water Treatment Design & Build for Long-Term Performance

At FILTEC, we provide end-to-end water treatment solutions, from initial concept to final construction, with lifetime service and support. Our team of experienced mechanical and process engineers develops innovative designs that meet regulatory standards, while our in-house fabrication and construction teams ensure quality execution. Whether upgrading an existing system or building a new facility, our integrated approach delivers efficiency, reliability, and long-term performance.

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500+ Water & Wastewater Treatment Plants Delivered

Designed, built, and upgraded across New Zealand and Australia.

2,500m² Purpose-Built Fabrication Facility

Enables increased efficiency, quality and programme control for your project.

Over 40 Professional Engineers

Across multiple disciplines throughout Australasia.

30+ Years Design Library Backed by Proven Outcomes

Decades of technical knowledge and project data powering efficient, low-risk delivery.

Why FILTEC Stands Out?

Specialised Design & Build Expertise

Our process and mechanical engineers collaborate with our fabrication and site teams to deliver tailored water treatment and wastewater treatment design solutions that meet performance and compliance requirements.

In-House Resources for Efficiency

With a dedicated design library and in-house fabrication capabilities, we offer competitive pricing, fixed-price certainty, and reduced reliance on external contractors. 

Regulatory Knowledge

We design and construct water and wastewater treatment systems that align with New Zealand Drinking Water Standards and Australian Drinking Water Guidelines.

Seamless Project Execution

From detailed engineering and fabrication to on-site construction, our team manages the entire process, ensuring a smooth and timely project delivery.

Innovative Technology Integration

We incorporate the latest advancements in water treatment technology, delivering future-ready and scalable solutions.

Flexible Construction Options

We provide both on-site builds and pre-fabricated containerised solutions to suit project requirements, offering flexibility and efficiency.

Strong Industry Partnerships

We work with leading suppliers and industry partners to ensure access to the best technology and materials for every project.

Commitment to Safety & Quality

Strict safety protocols and rigorous quality control measures are embedded in our processes, ensuring compliance and reliability in every build.

Water Treatment Design Wastewater Treatment Design
Water Treatment Build and Fabrication

Our Customers

Design and Build Capabilities

Design & Engineering 

  • Process flow and hydraulic design 

  • Equipment sizing and selection 

  • 3D modeling and plant layout design

  • Hasop facilitation

  • Civil site design

  • Biowins modelling for waste water applicationg

  • CFD modelling for flow mixing and flow balancing

  • Energy efficiency optimisation 

  • Safety and operability assessments

Wastewater Treatment Design Engineer
Wastewater Treatment Design Build and Fabrication
Water Treatment Design Wastewater Treatment Design

Fabrication & Construction 

  • Custom steel fabrication

  • Building containerised water treatment plants 

  • Certified welding for structural integrity 

  • Pre-fabrication and assembly of key components

  • On-site installation management 

  • Project scheduling and contractor coordination 

  • Site assessments for construction planning

  • Compliance testing during and after installation

Project Management

  • Management of multi-discipline contracts

  • Dedicated Project Management Office (PMO)

  • Industry-leading project controls systems

  • ISO-certified delivery (ISO 9001, 14001, 45001)

  • Transparent stakeholder and client communication

  • Risk management planning and mitigation

  • Seamless coordination with suppliers, councils, and subcontractors

Water Treatment Design
Water Treatment Design

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