Our Services

Blooms of hazardous cyanobacteria (blue-green algae) in rivers, lakes and reservoirs can cause problems for both animal and human health.

NIWA makes a range of trace gas data freely available on our FTP site.

NIWA collects and manages significant amounts of New Zealand's environmental data, particularly in the climate, freshwater, marine and atmosphere domains.

The New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index.

Coastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations.

NIWA offers a range of standard toxicity tests for both freshwater and marine environments.

NIWA run a computer model which simulates wave heights across the Canterbury continental shelf and along the coast.

Easing the resource consent process

Regional-scale climate projections assist local authorities to assess risks presented by climate change now and prepare their communities for the future impacts.

This dataset provides the most up-to-date bathymetry of one of the largest areas of deep-water seabed under national jurisdiction.

How healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out.

Using a novel observational platform – ocean gliders—this research will observe and understand subsurface variations in temperature, salinity, oxygen and biological factors in water shallower than 200 metres – what we consider to be the shelf seas.