Physiographic Environments of New Zealand
A new landscape classification for water quality that better accounts for the influence of the natural landscape.
Learn about your environment here
Background Science Information
Improve your environmental science knowledge on these key topics.
Water Quality Contaminants
What are they, how are they measured, and what are their effects on water quality?
Hydrology
Hydrology is the transport mechanism by which contaminants can enter our waterways. Find out more here.
Chemical Processes
Find out about the chemical processes that occur in our environment and how they effect contaminant loss.
Landscape Processes
How does the landscape processes of hydrology and chemical reactions combine to reduce water quality contaminants?
Physiographic Method
How was the classification developed? Read more about the methodology here.
Freshwater Legislation in New Zealand
Learn more about the freshwater legislation and what actions are required when.