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Water services insights and performance

Performance Summary of the Water Services System 2023

This report includes data and information for the period 1 July 2022 to 30 June 2023 provided by operators of publicly owned drinking water networks, as well as some information about public wastewater and urban stormwater networks.  

This report provides insights into the environmental performance and impact of water services networks. This is the first time we have published this report. 

Drinking Water Regulation Report 2023

This report covers the period 1 January to 31 December 2023. It includes data provided by drinking water suppliers about the safety and sufficiency of the water they supply from their registered drinking water supplies.  

This report helps us understand the state of drinking water in Aotearoa New Zealand. The information and insights we report on will evolve over time and help to lift the performance of the sector to ensure that everyone has access to safe and reliable drinking water every day. 

We have also published some of the summary data used to inform the report.

More detailed data points relating to the Drinking Water Quality Assurance Rules will be published in August.

Network Environmental Performance Report 2022/23

This report includes data and information for the period 1 July 2022 to 30 June 2023 provided by operators of publicly owned drinking water networks, as well as some information about public wastewater and urban stormwater networks.  

This report provides insights into the environmental performance and impact of water services networks. This is the first time we have published this report. 

We have updated and republished the raw data that informed the report. Based on feedback from network operators that some information was missing, we have updated the spreadsheet to include this information. The key findings and recommendations of the report remain unchanged.