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Changes in New Zealand drinking-water quality since 2005

Publication date:  September 2019
Publication reference number:  CR 383

This report from ESR describes the methodology and findings of an assessment of changes in levels of compliance with the Drinking-water Standards for New Zealand (DWSNZ) from 2005 to July 2017. The report was commissioned by the Ministry for the Environment as part of the Review of the National Environmental Standard for Sources of Human Drinking Water.