Freshwater quality

We've developed a series of instructional videos on what SHMAK is and how to use it

At the bottom of our lakes are NIWA divers with waterproof clipboards. Sarah Fraser jumps in to find out what they’re doing.

The latest state of the environment report released today provides New Zealanders with clear evidence that our climate, freshwater and marine systems are changing, says NIWA.

Instructions for using Nalgene Storm Water Sampler bottles and DGTs.

The guidance manual provides methods for sampling urban streams and stormwater

Video guides for installing the Nalgene Bottles and DGT's

It may be rubbish to everyone else, but to Amanda Valois each little scrap of plastic on a river bank or in a waterway tells a valuable story.

New Zealand is a land of erosion. We’re losing about 192 million tonnes of soil a year, according to the latest report Our Land 2018, from the Ministry for the Environment and Statistics NZ.

A project to restore a stream catchment in Kaikōura—damaged in the 2016 earthquake—is being described as inspirational by NIWA scientists.

The hard concrete surfaces that characterise New Zealand towns and cities are barely likely to register as a problem with most people. But they're never far from the minds of our urban water researchers.

EFSAP is a water planning and management tool designed to assist with setting regional or large-scale water resource use limits for rivers.

On the bottom of New Zealand’s largest freshwater springs is an underwater garden of vivid green, pinks and inky blues.