This outstanding new book examines the planning, design, construction, and operation of wetlands used for water quality treatment. Treatment Wetlands is the first comprehensive book to systematically describe all aspects of this new technology. Topics include all major wetland configurations, wastewater sources, and combinations of climatic conditions.This complete reference contains detailed information on wetland ecology, wetland water quality, selection of appropriate technology, design for consistent performance, construction guidance, and operational control through effective monitoring. Design approaches that can be tailored to specific wetland treatment projects are also included. Rule-of-thumb methods, regression-based empirical design approaches, and rational methods are explained facilitating wetland design based on multi-parameter input conditions.