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Urban river and stream water quality state and trends 2008 to 2017

Publication date:  October 2019
Publication reference number:  CR 381

This NIWA consultant report provides analysis of state and trends in a number of water quality variables in urban rivers and streams in New Zealand. It updates and advances the analyses presented in a similar report in 2016.

Note that to keep the size of the main report down and thus easier to download, Appendix B and C have been provided separately below: 

Appendix B – Time series plots of the data

Appendix C – Time series plots of the 22-year data sets