Website: http://groundwaterexpo.com/
The National Ground Water Association is the hallmark organization for anyone affiliated with the groundwater industry. A nonprofit organization, NGWA is composed of U.S. and international groundwater professionals — contractors, scientists and engineers, equipment manufacturers, and suppliers. Its purpose is to provide guidance to members, government representatives, and the public for sound scientific, economic, and beneficial development, protection, and management of the world's groundwater resources.