How to prevent water pollution

Introduction

Water pollution can come from a number of different sources - many solids, liquids and gaseous substances entering surface waters or groundwater are classed as pollutants. These include chemicals, oil and waste products. As a rule any substances used and disposed of by businesses must be treated before being discharged to surface or groundwater.

Surface waters include rivers, reservoirs and canals and make up a small percentage of fresh water reserves. Groundwater describes all water which is located below the surface of the ground and which is in direct contact with the ground or subsoil. This makes up the largest available reservoir of fresh water.

This guide outlines the main causes of water pollution, explains how surface waters and groundwater are protected by law and when businesses need to apply for specific licences. It also sets out how to actively prevent pollution incidents, giving tips on how to store and handle materials responsibly.

Subjects covered in this guide

• Introduction
• Causes of water pollution
• How surface waters and groundwater are protected
• Other licences and notices that prevent and control water pollution
• Avoid pollution from your drainage system
• Discharging trade effluent
• Treating trade effluent and ensuring staff awareness
• Storing and handling materials responsibly to prevent water pollution

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