Water New Zealand

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 technical@waternz.org.nz

PERFORMANCE DASHBOARD Snapshot of individual participants performance outcomes available to report participant’s only. Water New Zealand website login required.

2017/2018 National Performance Review

The annual report for 2017/18 is available here.

An interactive data portal providing participant comparisons is available here.

Data definition guidelines for measures included in the 2017/18 review are available here.

The external audit report of participants is available here.

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 pubically owned waste-water treatment plants (WWTPs) can be accessed here.