As of September 8, 2022, the U.S. Army Corps of Engineers (Corps), Albuquerque District, administers the Corps’ Regulatory Program within the boundaries of the Navajo Nation.
The Navajo Nation is the largest Indian reservation in the United States, covering approximately 17,000,000 acres (27,000 square miles). It is primarily located in northwestern New Mexico and northeastern Arizona, with a portion also extending into Utah. The NN reservation overlaps Albuquerque District (SPA), Los Angeles District (SPL), and the Sacramento District (SPK). To improve communications, increase consistency, and streamline CWA Section 404 permitting and 401 WQC certification coordination and processes, SPA will be the lead District and sole point of contact for Regulatory permit reviews, and compliance and enforcement. SPL continues to lead in the review of all Arizona Department of Transportation actions.
All other applications, inquiries, and requests should be submitted to our general mail box, SPA-RD-NN@usace.army.mil.
For assistance with projects located In Navajo Nation contact Forrest Luna in the Albuquerque District office at (505) 382-0071.
