Army Rocky Mountain Arsenal

Site Management  


The U.S. Fish and Wildlife Service manages the 15,000 acres that comprise the Refuge. In accordance with the 1992 RMA National Wildlife Refuge Act, these lands were transferred to the U.S. Department of Interior following successful completion of the environmental cleanup actions.

The U.S. Army permanently maintains another 1,000 acres at the site, which contain the landfills, waste consolidation areas and water treatment facilities.  The regulatory agencies monitor those areas in cooperation with the U.S. Army to ensure the ongoing protectiveness of the remedy.

The roles of each agency are described below:


U.S. Environmental Protection Agency - Monitors cleanup-related studies and projects and makes final cleanup decisions.

Contacts: Greg Hargreaves, Remedial Project Manager, 303.312.6661, or Jasmin Guerra, Community Involvement Coordinator, at 303.312.6508


Colorado Department of Public Health and Environment - Monitors cleanup-related studies and projects, implements the medical monitoring program and administers state environmental and public health laws.

Contacts: Susan Newton, Rocky Mountain Arsenal Project Manager, 303.692.3321 or Warren Smith, Community Relations Manager, 303.692.3373.


Tri-County Health Department – Provides public and environmental health services for Adams, Arapahoe and Douglas Counties. TCHD performs a liaison function with area residents by providing and maintaining a RMA related 24-hour information line. TCHD also provides well sampling services, odor and emission monitoring and investigations, and landfill construction oversight to protect the environment and health of Adams County residents.

Contact: Deanne Kelly, RMA Supervisory, at 303.439.5909, or Ken Conright at 303.288.6816.

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