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/

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Learning hub

Definitions and explanations of water-related terms - covering the microbiological and chemical components and physical properties of water, testing, treatment and compliance.

  • Water properties
    Explore key terms and concepts that describe water’s physical properties.
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  • In the water
    Find out what’s in drinking water – from minerals to microbes – and how risks are controlled for health protection.
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  • Water sources, monitoring and treatment
    A guide to the terms and processes behind how water is collected and treated.
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  • Compliance mechanisms
    A guide to the mechanisms that drinking water suppliers can use to ensure their communities receive safe drinking water.
    Find out more
Last updated: 8 September 2025