And here is the excellent handbook specifically designed and released for the environmental managers and policy-makers who are working for the water authorities and will also be useful for the engineering companies directly involved in various water quality programs, especially ones in the developing countries. The book will also be found suitable when used as a textbook or main/supplementary training material for the associated WQM training courses. The recent years showed the constantly increasing awareness of the water pollution and serious concern about it all around the planet. Numerous completely new approached have been introduced and developed in order to achieve the sustainable and reasonable exploitation of the various water resources. It goes without any saying that the duly worked out policy framework is a critically important element in water resource management. The opening chapter of this volume is intended to propose some of the general principles for the entire process of policy making and of the structure or relevant policy documentation. The text is supplemented with several real life examples of the policy elements supporting the sustainable management of the resources. The other chapters concentrate on the strategy formulation and outline the major guiding principles for the control of the water pollution.