The Constructed Wetland Association (CWA) is a professional association, representing everyone interested in, and practicing in the field of constructed wetland technology, Our fields of activity are: • To provide quality assurance, establish and maintain the highest standards of design, installation, performance and maintenance of these systems through research, training, seminars, conferences, peer review and accreditation • To promote the use of constructed wetlands for pollution control, including wastewater treatment and surface water run-off management, whilst maximising multiple benefits such as flood control, biodiversity enhancement and amenity. The Constructed Wetland Association aims to: 1. Share and promote best practice 2. Maintain a global network of constructed wetland researchers, practitioners, regulators and users 3. Provide an accreditation service for the constructed wetland industry 4. Provide information and training in wetland applications through online courses, workshops and seminars