The Department of Homeland Security (DHS), U.S. Customs and Border Protection (CBP) announces the availability of this Final Environmental Stewardship Plan (ESP). The Secretary of DHS, pursuant to his authority under Section 102(c) of the Illegal Immigration Reform and Immigrant Responsibility Act (IIRIRA), issued a Waiver in August 2017 covering the Tactical Infrastructure (TI) described in this ESP. Although the Secretary’s waiver means that CBP no longer has legal obligation under the laws included in the waiver, the Secretary committed DHS to responsible environmental stewardship of our valuable natural and cultural resources. CBP strongly supports this objective and remains committed to being a good steward of the environment. CBP prepared this ESP to analyze the potential environmental effects associated with replacing existing primary fence and constructing, operating, and maintaining approximately 14 miles of new pedestrian bollard wall along the U.S.–Mexico international border within the U.S. Border Patrol’s San Diego Sector. The ESP details the Best Management Practices (BMPs) associated with the TI that CBP will implement during and after construction.