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

Some of NIWA's Hamilton freshwater scientists

Dave Allen, NIWA

Some of NIWA's Hamilton freshwater scientists (from left) – Andrew Swales (Estuarine Physical Processes); Fleur Matheson (Aquatic Biogeochemist); Neale Hudson (Environmental Chemist); Cindy Baker (Freshwater Fish); Mary de Winton (Freshwater Ecologist); Rupert Craggs (Aquatic Pollution); Brian Smith (Freshwater Biologist).