Water – Wai
The Commerce Commission regulates water supply and wastewater services, which are critical to the health and wellbeing of New Zealanders. We work to incentivise providers of these services to deliver for the long-term interest of consumers.
What’s happening? | He aha te mea e puta ana?
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Our role
We are the economic regulator for water services and are also responsible for consumer protection. This is a broad mandate to drive efficient consumer-focused outcomes in the water sector.Read more -
Information Disclosure
We will use information disclosure as a tool to regulate suppliers that provide water supply and/or wastewater services.Read more -
Regulation of Wellington’s water services
The Commerce Commission is proposing ongoing targeted economic regulation to improve transparency, accountability, and outcomes for Wellington consumers.Read more -
Crown monitor for Watercare
We monitor and report on Watercare’s performance as Auckland’s water and wastewater provider.Read more -
Price-quality path for Watercare
Watercare will be subject to a price-quality path once the Charter ends in June 2028.Read more -
Information Disclosure – technical frequently asked questions
This page includes technical frequently asked questions to support regulated suppliers with their disclosure requirements.Read more -
Exemptions to information disclosure requirements
Regulated water suppliers can apply for exemptions from information disclosure (ID) requirements under the water services ID determination. This page provides guidance on how the exemption process works.Read more
If you have any questions regarding our role or the tools available to us, you can contact us by emailing wai@comcom.govt.nz.