Informative alert

Have your say on proposed updates to the Drinking Water Quality Assurance Rules

We’re consulting on proposed changes to the Drinking Water Quality Assurance Rules to make compliance clearer and easier to follow for large supplies (those serving 501 or more people), while maintaining strong public health protections. Find out more and have your say on our consultation site. https://korero.taumataarowai.govt.nz/regulatory/rules-review-large-supplies/

Severe alert

Hinekōrako Outage

Hinekōrako will be offline Thursday 27 November from 5pm-7pm for regular maintenance. Find out how to contact us during this time. Hinekōrako outage

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About us

About us

The Water Services Authority – Taumata Arowai is the water services regulator for New Zealand. We work with, regulate, and influence the water services sector to help improve outcomes for the health of the water, people and environment.

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Learn about who we are, what we do and what it's like to work here.

  • Who we are

    The Water Services Authority – Taumata Arowai is a Crown entity with an independent Ministerial-appointed Board and Māori Advisory Group (Te Puna).
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  • What we do

    To support our vision Kia tiakina te wai, hei oranga mō te katoa | Safe water every day for everyone, we have roles in drinking water, wastewater and stormwater.
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  • Working here

    Find out about job vacancies and what to expect when working at the Water Services Authority – Taumata Arowai.
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  • Reports and publications

    Read our reports and publications – including the latest insights on the performance of drinking water, wastewater and stormwater networks in New Zealand.
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  • Legislation and regulations

    Legislation that affects the Water Services Authority – Taumata Arowai.
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  • Have your say

    Find out more about our current and closed consultations. Your feedback will help us inform our regulatory approach.
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  • Our Compliance, Monitoring and Enforcement Strategy

    Our Compliance, Monitoring and Enforcement Strategy 2025 – 28 is a clear, three-year action plan for how we will regulate drinking water safety.
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  • Water services insights and performance

    Each year we produce two reports that provide an overview of the performance of drinking water, wastewater and stormwater networks in New Zealand.
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Te ao Māori perspective

The Water Services Authority - Taumata Arowai operates from a te ao Māori perspective aspiring to higher outcomes for water and people in Aotearoa, taking our lead from Te Tiriti o Waitangi.