http://www.watersystemscouncil.org/ Water Systems Council
(WSC) is a national nonprofit organization dedicated to promote the wider use of wells as modern and affordable safe drinking water systems and to protect ground water resources nationwide.
http://www.wqa.org/ Water Quality Association
(WQA) is a not-for-profit international trade association representing the residential, commercial, industrial, and small community water treatment industry.
http://www.groundwater.org/ Ground Water Foundation
is a nonprofit organization that educates people and inspires action to ensure sustainable, clean groundwater for future generations.
http://www.agwt.org/ American Ground Water Trust
is a non-profit 501(c)(3) education organization dedicated to providing accurate information about water resources and water wells to homeowners, teachers, water users, managers, planners, and community and state leaders.
http://www.ngwa.org/ National Ground Water Association is a nonprofit organization comprised of more than 13,000 U.S. and international groundwater professionals — contractors, scientists and engineers, equipment manufacturers, and suppliers. NGWA’s 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.