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Oil & Gas Operations
The Colorado Oil & Gas Conservation Commission (COGCC) governs the permitting and regulation of oil and gas wells throughout the state according to the Oil and Gas Conservation Act. If you have questions, comments or a complaint for the COGCC, please contact the COGCC directly. There are existing oil and gas well sites in and around Firestone. Operator information should be posted at each location. If you have a question about a particular location, please contact the posted operator. If no operator information is posted on location, you are encouraged to contact the COGCC for assistance.

Colorado Oil & Gas Conservation Commission (COGCC)
1120 Lincoln Street, Suite 801, Denver, CO 80203
Ph: 303-894-2100
Fx: 303-894-2109
Toll-free Complaint Line to Denver: 888-235-1101

COGCC Complaints Process
Effective Jan. 9, 2015, the COGCC has a new process in place to manage public complaints related to oil and gas operations. The COGCC remains committed to working with complainants, operators, individuals and communities to resolve issues under its jurisdiction.

This new complaint process was developed using Lean process improvement techniques which focused on improving public transparency of the process, making it easier for the public to file a complaint, and making the internal processing, closing and communication of complaints more effective.  

As a result, the COGCC has created a dedicated webpage that contains the following:

  • A newly developed and easy to use tool to file a complaint online.
  • Guidance for how to file a complaint. To be considered a formal complaint, all complaints are required to be in a written format.
  • Questions and answers related to the complaint process, including what to expect and rights of the complainant.
  • Guidance and tools to search for complaints already filed.

Overview of the Complaints Process

Oil and Gas Company Contact Information

Anadarko Petroleum Corporation / Kerr-McGee Oil & Gas OnShore LP
Denver Office - Granite Tower
1099 18th Street, Suite 1800, Denver, CO 80202
Ph: 720-929-6000

Anadarko Colorado Response Line
An Anadarko representative will provide information or address any questions, comments or concerns about oil and gas activity.
Ph: 866-248-9577

Encana Oil & Gas (USA) Inc. / Patina Oil & Gas Corporation
Longmont - DJ Basin Field Office
Encana Oil & Gas (USA) Inc.
3601 Stagecoach Road, Longmont, CO 80504
Ph: 303-774-3900
Current Drilling Operations in Colorado

Noble Energy
Denver Office
1625 Broadway, Suite 2200, Denver, CO 80202
Ph: 303-389-3600

Sundance Energy, Inc.
380 Interlocken Crescent, Suite 601, Broomfield, CO 80021
Ph: 303-543-5700