This manual provides the fundamentals of efficient, effective utility management for each respective application that, combined, has resulted in an enriched depth of content with broader potential applications. Given the current challenge of leveraging existing human resources and engaging a new generation in wastewater management, the time and commitment volunteered by the dedicated wastewater professionals contributing to this manual is greatly appreciated. WEF acknowledges the following utilities and organizations, listed alphabetically below, who contributed information resources which added significant value to this manual: Beaver Water District, Bentonville, Arkansas Clarksville Gas and Water Dept, Clarksville, Tennessee DC Water and Sewer Authority, Washington, D.C. George Wellan, Methanex Corporation, Manager Responsible Care, Addison, Texas Greg Dolan, Vice President, Arlington, Virginia Loudoun Water, Ashburn, Virginia Mount Pleasant Waterworks, Mount Pleasant, South Carolina The Methanol Institute, Washington, D.C. Town of Leesburg, Water and Wastewater Utilities, Leesburg, Virginia Upper Occoquan Sewage Authority, Centreville, Virginia