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American Society of Plumbing Engineers
International organization for professionals skilled in the design, specification and inspection of plumbing systems.
http://www.aspe.org
American Society of Sanitary Engineering
News, publications, standards and certification information, plus details of upcoming meetings.
http://www.asse-plumbing.org/
American Water Works Association (AWWA)
International nonprofit scientific and educational society dedicated to the improvement of drinking water quality and supply.
http://www.awwa.org
IHE-Delft University
Department of Sanitary and Environmental Engineering. Goal is to contribute to the development of adequate water supply and waste management services world wide by improving the capacities of individuals and organizations active in and for the sector.
http://www.ihe.nl/
Water Online: Virtual community for the water industry
Daily news and product updates for professionals in the wastewater industry- Information on manufacturing, technology, equipment, supplies, and discussion forums, online chat, newsletter and software
http://www.wateronline.com/
