On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Flow assessment and management

We offer a range of flow assessment and management services.

  • Stream flow monitoring networks.
  • Modelling transport and dispersion in rivers.
  • Establishing minimum flow requirements.
  • Determining optimum flow regime for impounded rivers.
  • Wastewater treatment.
NIWA
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