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An Introduction to Drinking Water Contaminants, Treatment and Management

1 Introduction

2 Roles and Responsibilities in the Production of Drinking Water

3 Water Supply Management – Information Sources

4 Origins of Contaminants in Drinking Water Sources

5 Water Treatment

Appendix 1: Activities and the Contaminants That May Contribute to Source Waters

Appendix 2: Treatment Processes and Their Efficacies


This report or document (‘the Report’) has been prepared by the Institute of Environmental Science and Research Limited (‘ESR’) solely for the benefit of the Ministry for the Environment.

Neither ESR nor any of its employees makes any warranty, express or implied, or assumes any legal liability or responsibility for use of the Report or its contents by any other person or organisation.


The author is grateful to Amanda Hunt (MfE) for her assistance in preparing this guide, and to Sally Gaw, Jan Gregor and Hilary Michie (ESR) for reviewing the draft document.


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