The U.S. Army owns and maintains roughly 1,100 acres at the Rocky Mountain Arsenal to ensure the environmental cleanup remains protective of public health and the environment. For information about the 15,000 acres comprising the Rocky Mountain Arsenal National Wildlife Refuge, please visit the refuge online here.

Annual Highlights from Rocky Mountain Arsenal

RMA recently published its latest annual community report. The publication offers highlights from the past year, along with news about upcoming projects. To read the report, click here. (La hoja de datos también está disponible en español aquí.)

Old Groundwater Treatment System Removed, Revegetation Starting

Residents driving north of 96th Avenue along Peoria Street this fall will see crews working to revegetate the site where the old Offpost Groundwater Intercept and Treatment System (OGITS) once stood. The Army replaced the OGITS in 2022 with two smaller, modernized systems. Once those systems were fully operational, crews removed the OGITS and recycled or disposed of the materials. To learn more, click here