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Freshwater mitigation systems
Effective systems to manage contaminant losses -
Stopping the gold clam: it's now or never
A NIWA-led programme to develop effective, and culturally-attuned strategies for managing the freshwater gold clam. -
Fish Passage
Understanding and supporting the migration of fish through New Zealand's freshwater habitats -
River flow forecasting
Research ProjectNIWA is developing a national river flow forecasting tool for New Zealand that aims to support and strengthen our planning for and response to extreme rainfall events. -
Freshwater Ecological monitoring
We offer a range of ecological monitoring tools. -
Restoration of aquatic ecosystems
Research ProjectThis project aims to increase our knowledge of aquatic ecosystems and their restoration, and apply this to degraded streams, rivers, lakes and estuaries. -
Rivers to Sea Flagship
Understanding catchment to sea connections and estuarine processes for effective carbon sequestration and to ensure a healthy coastal marine environment under a changing climate. -
Aquatic Biosecurity Flagship
Protecting New Zealand’s freshwater and marine environments from pests and diseases now and in future. -
Healthy Freshwater Flagship
Understanding the future of freshwater ecosystems in a changing environment, for improved ecosystem health and water quality. -
Future Freshwater Flagship
Predicting New Zealand’s future water flows for better water management and planning to support water security. -
Extreme Lakeover: NIWA’s Guide to Rolling Back Life into New Zealand Lake
Publication article26 March 2025A team of NIWA freshwater ecologists have completed their research on the use of biodegradable plant mats as life rafts to help reintroduce native aquatic plants to degraded freshwater lakes. -
New Technology Enhances River Digital Networks for Improved Water Management
Publication article21 March 2025NIWA scientists have launched a groundbreaking initiative that is transforming mapping of freshwater environments.
