1. Introduction

The abatement of fresh water and groundwater resources, increasing population as well as industrial demands render the protection and preservation of these resources all the more important. Water quality is a term applied to indicate the suitability or unsuitability of water for various uses. Each type of water uses needs certain physical, chemical and biological characteristic while various uses have some common characteristic. Water quality management is the management of water quality of the physical, chemical and biological characteristic of water; therefore, management and regulatory agencies can use to evaluate alternatives and make necessary decisions. In this chapter, after defining a few water quality terms and a brief review of the significance of water quality management, the framework of the book was described.