National Performance Review


The National Performance Review is an annual performance comparison of drinking water, wastewater and stormwater service provision in New Zealand. Correspondence regarding the review can be directed to lesley.smith@waternz.org.nz

2018/2019 National Performance Review 

The 2018/19 National Performance Review is available at the following  link. 

An interactive data portal providing comparative data is available  here. 

Data definition guidelines for measures included in the 2018/19 review are available here.

The quality assurance process employed to check data provided in the review is outlined  here. 

The external assurance process employed to check data provided in the review is outline  here.  

A performance dashboard summarising participants results is available  here. This tool is password protected and only available to report participants. 

Wastewater Treatment Plant Inventory

The National Performance Review is used to update New Zealand’s wastewater treatment plant inventory. Geo-spatial and raw data for 323 publicly owned waste-water treatment plants (WWTPs) can be accessed here.

Previous Years Reports

2017/2018 National Performance Review Report 

2016/2017 National Performance Review Volume 1 National Overview

2016/2017 National Performance Review Volume 2 Participant Comparisons

2015/2016 National Performance Review Report

2015/2016 National Performance Review Snapshot

2014/2015 National Performance Review Report

2013/2014 National Performance Review Report

2012/2013 National Performance Review Report

2011/2012 National Performance Review Report

2010/2011 National Performance Review Report

2009/2010 National Performance Review Report

2008/2009 National Performance Review Report

2007/2008 Pilot National Performance Review Report