This publication provides a structured approach to analyzing hazards to groundwater quality, assessing the risk they may cause for a specific supply, setting pr

The quality of water, whether it is used for drinking, irrigation or recreational purposes, is significant for health in both developing and developed countries

The safety of the nation's drinking water must be maintained to ensure the health of the public. The U.S. Environmental Protection Agency (EPA) is responsible f

This document is intended to provide an overview of the major components of surface and ground water quality and how these relate to ecosystem and human health.

This guide will help resource managers, planners, and other decision makers better understand and assess water supplies and to define and manage protection area