Army Rocky Mountain Arsenal

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Opened in 1942, the Rocky Mountain Arsenal played a significant role in U.S. defense, space exploration and agricultural production throughout much of the 20th Century. Today, the site it known primarily as a premier urban national wildlife refuge and conservation center.

To learn more about the Rocky Mountain Arsenal, please contact the site in one of the following ways:

RMA Public Affairs Office

To speak to an RMA representative, please call 303.289.0300.

Freedom of Information Act Requests

If you would like to request copies of public records under the Freedom of Information Act (FOIA), please submit your request in writing to:

RMA FOIA Officer
Rocky Mountain Arsenal
U.S. Army
6550 Gateway Road, Building 129
Commerce City, CO 80022-1748
Attn: Mr. William Hennessy

Records Requests

For more information about reviewing or requesting copies of RMA records, please click here.

Joint Administrative Records and Design Facility (JARDF)

To visit the comprehensive repository of all public documents related to past manufacturing, remedial investigation and environmental cleanup work at the RMA, call 303.289.0300 to schedule an appointment. The JARDF is located at the Rocky Mountain Arsenal, 6550 Gateway Road, Building 129, Commerce City, CO 80022-1749.

Rocky Mountain Arsenal National Wildlife Refuge

For questions about Refuge programs and conservation efforts, please contact the U.S. Fish and Wildlife Service at 303.289.0930, or visit the Refuge online.

Public Affairs

For further information, contact:


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Rocky Mountain Arsenal Wildlife Refuge

Offers year-round wildlife viewing, outdoor recreation and environment education opportunities.  Visit the Refuge online or call 303.289.0930.

Rocky Mountain Arsenal

6550 Gateway Road

Commerce City, CO 80022-1748