What are the potential sources of chemical contaminants in wastewaters?

The River Environment Classification (REC) is a database of catchment spatial attributes, summarised for every segment in New Zealand's network of rivers.

Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai.

Urbanisation has changed the face of many waterways that flow through urban areas

A glossary of common climate change and meteorological terms.

There are different types of instrument available for measuring water level.

This Statement of Corporate Intent (SCI) sets out NIWA's strategy for delivering against its core purpose over the next five years.

Tuna, or freshwater eels, are the most widespread freshwater fish in New Zealand. This 'living' educational resource summarises a large amount of scientific and technical literature.

If you're moving to join us here at NIWA, we want to say thanks for choosing us by helping you with your big move.

NIWA provides national capabilities in Water Quality Monitoring.