See also:

• Science: Earth Sciences: Geology: Organizations  (112)
• Science: Environment: Water Resources: Organizations  (78)

• American Ground Water Trust - Promotes public awareness of groundwater. Information on nonpoint-source pollution and its prevention, upcoming educational workshops and conferences, and publications available from AGWT.
• British Columbia Ground Water Association - Provides professional and technical leadership in the advancement of the ground water industry and in the protection, promotion and responsible development and use of ground water resources.
• California Groundwater Association - A non-profit organization representing over 15,000 members promoting the protection of groundwater resources throughout California.
• The Groundwater Protection Council - The GWPC is a nonprofit organization dedicated to the protection of U.S. ground water.
• Groundwater Resources Association of California - Nonprofit organization for the protection, preservation, improvement of California ground water against pollution. Site has information about the organization and its activities, job announcements, and related material.
• Hellenic Committee of Hydrogeology - A scientific committee of the Hellenic Geological Society. Provides publications, news, and workshop schedules.
• Karst Waters Institute - Mission is to improve the fundamental understanding of karst water systems.
• Ontario Ground Water Association - Represents well drillers, pump installers, manufacturers, suppliers, scientists, and engineers. Information about groundwater and applicable laws and regulations in the province.
• Protocols for the ASsessment and Conservation of Aquatic Life In the Subsurface - Research project supported by the European Commission under the Fifth Framework Program. Studying the biological diversity in subsurface water.