Fluoride Dose System Close Up

Experts in everything Water & Wastewater Treatment:

News and Events

Core Samples

Lutra's Blog Posts

Find our latest blogs on different industry topics here, with everything from Water NZ whitepapers, to project breakdowns and more theoretical reads.

The latest blog is part of our optimisation series of content and looks at gravity gilter optimisation.

Latest Episode

What is Filter Optimisation and Why is it Important?

Gravity filters are one of the most common water treatment processes, but many of them are under-performing, even if you don't realise it. Jonathan Church and Amanda Slater talk about the signs a filter is not performing optimally, how you can improve performance, and why you would want to.

CO2 Tank onsite at Wainuiomata Water Treatment Plant

Our Projects & Case Studies

Check out some of Lutra's projects; from process improvements, compass smart dosing and Infrastructure Data implementations, we have examples of most of our offerings and how they helped our clients improve their operations.

Helping you with all your treatment needs.

Infrastructure Data In Use On Site On Phone

Infrastructure Data -

Operations Management Software

  • Do you spend time collating information from multiple sources?
  • Getting information too late, or missing compliance deadlines?
  • Are you missing inspections or losing paper forms?

Learn how Infrastructure Data can streamline your processes to save time, eliminate errors, plus improve performance.

Process Engineer Support Desk

Process Engineering-

Professional Service Offerings

  • Preparing your team for the new Taumata Arowai Operational Rules?
  • Does your water or wastewater treatment plant need optimising?
  • In need of a proven and reliable training framework?

Find out about the wide range of value add services that our specialist water and wastewater process engineers provide.

Compass Smart Chemical Dosing System Setup


Smarter Chemical Dosing

  • Do you struggle to control your coagulant dose?
  • Do you want a better solution to optimising your dose, possibly saving you chemicals and cost?
  • Do you require a high quality easy to install solution, available immediately?

Discover how Compass our predictive coagulant control system can help. Compass is  available for both water and wastewater treatment.

Adding value through smart solutions.

Infrastructure Data In Use at Waitomo District Council

Waitomo District Council improved their compliance reporting, by moving away from manual systems to a digital process.  Find out how this has changed how they operate.

Craig Mayall from Tauranga City Council discusses how ID helps operators.

Tauranga City Council saved a significant amount of time, moving from paper-based to digital forms.  Find out how they made this transition.

Compass Coagulant Control In Use at Kapiti District Council WTP

Kapiti Coast District Council's Waikanae plant draws water from a river which is prone to high turbidity events.  Find out how they optimised their chemical dosing to match the ever changing river conditions.

Mid Grey

We provide solutions to organisations of all sizes.