ESNZ's High Intensity Rainfall Design System (HIRDS) offers planners and engineers more certainty about the frequency of high-intensity rainfall events, enabling them to better design stormwater drainage, flood defence systems and other vital structures.

We recognise that there's so much more to life than just work!

Presented papers, arranged by workshop programme.

Up-to-date drought indicator maps are shown here.

This lesson will explore the use of Māori environmental indicators [tohu] to anticipate local weather and climate conditions.

Technical information about our datasets and methodology along with related resources.

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

Wastewater treatment is the separation and extraction of solid waste from liquid waste, and the removal of nutrients and pathogens.

What are the potential sources of chemical contamination from aquaculture activities?

Defining drought and identifying its causes and impacts on humans.