About Us

The California Groundwater Association (CGA) is a non-profit organization representing all segments of the groundwater industry in California. Our members include water well drilling and pump contractors, hydrogeologists, engineers, hydrologists, manufacturers and suppliers, government employees and others working in the groundwater field. CGA was founded in 1948 and was known as the Associated Drilling Contractors (ADC) until 1986 when the name was changed to emphasize the organization's involvement with all aspects of the groundwater field.

Our Mission: 

Caring for California’s groundwater resources 

Giving high quality service to members and the public 

Acting in the best interest of the groundwater industry

An affiliate of the National Ground Water Association (NGWA)