The Northwestern Colorado Branch operates out of the Grand Junction field office and includes the following counties: Delta, Eagle, Garfield, Grand, Gunnison, Hinsdale, Mesa, Moffat, Montrose, Ouray, Pitkin, Rio Blanco, Routt, Saguache, San Miguel, and Summit. If your project is not located in one of these counties, please refer to the map below and contact the Northwest Colorado Regulatory Office's project manager for your area.

How to submit requests and information: All permit applications, preconstruction notifications, requests for jurisdictional determinations, compliance certifications, and monitoring reports should be submitted electronically to SPA-RD-CO@usace.army.mil.  Within 5 working days from submitting your request, you will be notified of the assigned project manager and project number.  With the exception of compliance certification forms and monitoring reports, information relating to existing pending projects can be sent directly to the project manager assigned to the action.  Contact information is as follows: