The International Water Conference (IWC) is an educational conference, founded with an emphasis on commercial free discussions on technology.

Organized by the Engineers' Society of Western Pennsylvania, the IWC presents scientific advances and practical applications in the field, cutting across industries, technologies and functional areas. As the preeminent international technical forum in the field, the IWC brings together end users, researchers, practicing engineers, managers, educators, suppliers and contractors. It is dedicated to advancing new developments in the treatment, use and reuse of water for industrial and other engineering purposes. Attendees come to learn unbiased details about the latest applications available in the industry, get educated on current technology and hold wide ranging discussions with their peers active in water treatment.