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/

Informative alert

New national wastewater standards announced

New national wastewater standards come into effect on 19 December. For further details, visit: Wastewater standards

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Compliance and enforcement

We may take compliance and enforcement action to address public health risks and ensure drinking water suppliers meet legislative requirements. Our compliance and enforcement activity is transparent, fair, proportionate and risk-based.

  • Prosecution policy
    This policy sets out how the Authority will use and manage prosecutions.
    Recently updated
    Find out more
  • Written warning policy
    This policy sets out the Authority’s approach for written warnings.
    Recently updated
    Find out more
  • 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.
    Find out more
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Last updated: 4 December 2025