This online map displays facility sites in group or by facility types in separate layers: 1. All facility types in separate layers including tank, tank setting, pit, and pipeline layers. 2. Facility Group sites, each group has associated facilities that belong to the same operator. One group site may represent multiple facilities. 3. Facility Boundary layer digitized by CalGEM to show the areas that delineate approximately any equipment ancillary for oil and gas production or injection operations that are under the jurisdiction of CalGEM (CCR 1760). CalGEM is the Geologic Energy Management Division of the California Department of Conservation, formerly the Division of Oil, Gas, and Geothermal Resources (as of January 1, 2020). WellSTAR homepage Update Frequency: As Needed