US flag Official website of the Department of Homeland Security

Final EA and Finding of No Significant Impact for Integrated Fixed Towers on the Tohono O’odham Nation in the Ajo and Casa Grande Stations’ Areas of Responsibility, U.S. Border Patrol Tucson Sector, Arizona, U.S. Customs & Border Protection

Document Posting Date: 
April 17, 2017

The Department of Homeland Security (DHS), U.S. Customs and Border Protection (CBP) announces the availability of the subject Final Environmental Assessment (EA) and Finding of No Significant Impact (FONSI).  Pursuant to the National Environmental Policy Act (NEPA) of 1969, 42 U.S.C. 4321 et seq., CBP has prepared the Final EA to identify and assess the potential environmental effects associated with the proposed action, which includes new sensor towers, collocating equipment on two existing communication towers and within two command and control facilities in U.S. Border Patrol Tucson Sector.  The Proposed Action also includes the construction of 14 new access roads (up to 0.24 miles total) and improvement of approach roads (up to 70.90 miles total) on the Tohono O’odham Nation, as well as maintenance and repair of these roads. 

Based on the Final EA, a determination was made that the proposed action will not significantly affect the human environment and that further analysis is not required.  Therefore, a FONSI was issued, and an Environmental Impact Statement is not required. 

For further information, please contact CBPEnvironmentalProgram@cbp.dhs.gov.

Last modified: 
April 13, 2017