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.

Q&A - Bloomin' algae!

A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.

Abstraction art

NIWA has developed a smart addition to its suite of tools assisting in the planning, regulation and evaluation of water use.
Understanding and predicting the sources of contaminants, developing technologies to clean up the sources, and understanding the consequences of water quality degradation for aquatic ecosystems and human use of waterways.
A collection of ID guides to algae. Groups include major freshwater algal groups, diatoms and blue-green (cyanobacteria), red and green algae.