Well Statewide Tracking and Reporting System (WellSTAR) is the California Geologic Energy Management Division’s (CalGEM) electronic database.
WellSTAR furthers CalGEM’s commitment to public safety and environmental protection by providing transparency, ease of use, and access to important, sortable data in a single portal. The release of WellSTAR ensures compliance with CalGEM’s Well Stimulation Treatment and Well Maintenance regulations, as well as other state and federal requirements.
Public Access Link to WellSTAR
The link above serves members of the public who are not representing a formal organization. If you are representing or wish to represent a formal organization, instructions are available on the WellSTAR– Operators page.
Looking For Well Maps And Geographic Perspective? You might prefer our Well Finder Map Tool. Well Finder interfaces with the WellSTAR database and is updated nightly.