Publication date:
December 2017
Publication reference number:
CR 297
This report analyses the state of freshwater quality for the past 25 years based on a national scale model.
It provides information on:
- the current state and trends of lakes and rivers in New Zealand relative to the National Policy Statement for Freshwater Management bottom lines and guideline values
- pressures that may affect water quality over time
- how these pressures relate to water quality.