About CalGEM
Geologic Energy Management Division
Districts / In Case of Emergency
Public Outreach and Community Engagement
Community Concern
Frequently Asked Questions (FAQs)
Notice to Operators (NTO)
WellSTAR
WellSTAR Data Dashboard
WellSTAR Public
Well Finder
WellSTAR Operator
WellSTAR Operator Login
WellSTAR Training Materials for Operators
WellSTAR Tutorials
Well Search Guide
File Request
California Oil and Gas Permits
Laws & Regulations
Annual Reports
Legislative Reports
Oil, Gas, and Geothermal General Information
Oil, Gas, and Geothermal Statistics and Production
Oil and Gas Technical Reports
Geothermal Technical Reports
Oil, Gas and Geothermal - Annual Reports 2003-1999
Geologic Energy Management - Annual Reports, 2003 - 1999
Oil, Gas, and Geothermal - Annual Reports, 1999-1995
Oil, Gas, and Geothermal - Annual Reports, 1994-1975
How to Print Well Record Log Files
Oil, Gas, and Geothermal News Archive
For Operators - Idle Well Program
Underground Gas Storage Data
Aquifer Exemptions
Aquifer Exemptions Status
UIC Additional Approved Aquifer Exemptions
For Operators - Underground Injection Control (UIC)
CEQA Projects
Water Use Dictionary, Data, Reports
Water Use Data and Reports
Well Stimulation
Hydraulic Fracturing in California
Well Stimulation Treatment Oversight and Permit Review
Well Stimulation Treatment Neighbor Notification and Water Sampling
Well Stimulation Treatment Inter-Agency Collaboration
SB4 Environmental Impact Report
Well Stimulation Environmental Impact Report
CalGEM Request for Information on Acid Treatment Data Reporting
Well Stimulation Treatment Disclosure
Well Stimulation Disclosure Search
Well Stimulation Permit Data
WST Program Requirements