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The Consequences of Demographic Change for New Zealand Water Supplies

Please note: As of 1 July 2025, the New Zealand Institute for Public Health and Forensic Science (PHF Science) is the new name for the Institute of Environmental Science and Research (ESR). Research and reports published prior to this date may reference the organisation’s former name.

Summary

This report was prepared for the Ministry of Health to examine in detail how demographic changes in New Zealand may affect water supplies and what consequences for public health these changes may have.

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