Fraser Thomas stormwater services include integrated catchment management planning.

Our expertise also covers low impact, appropriate technology, stormwater solutions, Water sensitive design, Stormwater reticulation, treatment and disposal, Watercourse infrastructure assessment surveys, Flood assessments and modelling.

We can assist you with a wide range of specialist environmental consultancy services:

  • We have specialist skills in on-site wastewater management and have been at the forefront in the development of appropriate wastewater technology in New Zealand, including oxidation ponds, aerated lagoons, wetlands, irrigation of municipal effluent, milliscreens, and decentralised sewerage and are recognised for its innovation, cultural sensitivity and consultation skills in this area
  • We have extensive experience in water supply and treatment in New Zealand, the Pacific and Asia
  • We have specialist skills in stormwater, ranging from the application of low impact design principles to individual sites, flood reports, to large scale catchment management plans



  • We are nationally and internationally recognised for our solid waste management work, including landfill leachate and stormwater management in New Zealand, and solid waste management planning overseas
  • We have extensive contaminated land experience, including preliminary and detailed site investigations, remediation and validation
  • Industrial and trade process (ITP) consenting for high risk sites and environmental management of moderate risk sites
  • Asset Management.


In all these areas, we can lead you through the resource consenting process, working through concept, preliminary and detailed design, tendering and construction observation to turn your project in reality. This includes specialist RMA/Court work, when required.

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We are members of Water New Zealand, the Waste Management Institute of New Zealand, the New Zealand Land Treatment Collective and the Australasian Land and Groundwater Association.

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