We provide public information on catchment, river, lake and estuary conditions across New Zealand including water quantity, quality and ecosystem health.
Freshwater and Estuaries
Freshwater and Estuaries
Robust science is critical in the sustainable management of our precious freshwater resources and estuarine environments.
The National Centre for Freshwater and Estuaries provides public information on river, lake, and groundwater conditions across New Zealand including water quantity and quality. It also acts as a distribution point for new technology and management tools for water-related issues.
Feature: Unlocking the mysterious marine life of eels
1 February 2020
Tiny, translucent eels may hold the answers to one of the fish world’s great mysteries. Zen Gregor investigates.
NIWA's underwater health check
13 June 2019
At the bottom of our lakes are NIWA divers with waterproof clipboards. Sarah Fraser jumps in to find out what they’re doing.
Protecting freshwater taonga
12 June 2019
Taonga species such as tuna (freshwater eels), kōura (freshwater crayfish) and kākahi (freshwater mussels) are central to the identity and wellbeing of many Māori.
