CalGEM Districts

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​**In Case of Emergency**

If you are a member of the public:

Should you come across an oil, gas, or geothermal well that is leaking or otherwise hazardous, call 911.

If you are an oil, gas, or geothermal operator:

If a catastrophic event occurs at your lease such as a flood, landslide, or fire, first call 911. Second, notify Cal OES consistent with regulations (1-800-852-7550). Also, please contact your local Geologic Energy Management Division (CalGEM) district office (see below). If that office is not available, please contact the Sacramento headquarters office or one of the other CalGEM district offices (see below).​

Community Concerns

For information on submitting a community concern and who to contact for urgent oil and gas operation matters, visit our Community Concerns page . To report oil and gas operation concerns, suspected problems, or complaints, please email: ​    

District Contact Information


​ Contact Information

district counties mapSacramento Office

715 P Street, MS 1803
Sacramento, CA 95814
Phone: (916) 445-9686
Fax: (916) 319-9533

​General Questions:​

​​For Geographic Information Services (GIS) information or applicatio​ns inquiries: ​ ​​

CalGEM CEQA Unit:​

Operator transfers and bonds:​

WellSTAR Questions:

Community Engagement and Public Transparency:​​

For Website Issues:​

Note: Click on map to enlarge​

District Contacts​

​Rohit Sharma, CalGEM Chief Deputy of Field Operations​

Southern District

southern district counties map

Southern District
Geologic Energy Management Division (CalGEM)
3780 Kilroy Airport Way, Suite 400
Long Beach, CA 90806
Phone: (562) 637-4400
Fax: (562) 424-0166

District Deputy: Pete Beskas​​

General Questions:

Well Stimulation:

Geoth​​ermal: CalGEMSouthernGeo​​

Operator Notices:

Gas Storage: ​

Note: Click on map to enlarge

Central District

central district counties map​​​Central District

Geologic Energy Management Division (CalGEM)
11000 River Run Blvd.
Bakersfield, CA 93311 
Phone: (661) 322-4031​

​​District Deputy:​ Chris Jones

General Questions:

Well Stimulation: 

CalGEM Central​ Notices: 

Operational Dispatch:

Note: Click on map to enlarge

Northern District

northern district counties map

Sacramento Office
Geologic Energy Management Division (CalGEM)​
715 P Street, MS 1804
Sacramento, CA 95814
Phone: (916) 322-1110
Fax: (916) 445-3319

District Deputy: Trey Powell

​​​​Orcutt Office 
Geologic Energy Management Division (CalGEM) 
195 S. Broadway, Suite 101 
Orcutt, CA 93455-4655 
Phone: (805) 937-7246 
Fax: (805) 937-0673  

Ventura Office 
Geologic Energy Management Division (CalGEM) 
1000 S. Hill Rd, Suite 116 
Ventura, CA 93003-4458 
Phone: (805) 937-7246 
Fax: (805) 654-4765 

Ventura Regional Office Manager: Bruce Weihs​

General/Geothermal/Gas Storage Questions:

Well Stimulation:​

Note: Click on map to enlarge




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