FLOOD RISK MANAGEMENT FOR MILITARY CONSTRUCTION.

SEC. 2805. FLOOD RISK MANAGEMENT FOR MILITARY CONSTRUCTION. (a) Further Modification of Department of Defense Form 1391.—Section 2805(a)(1) of the Military Construction Authorization Act for Fiscal Year 2019 (division B of Public Law 115-232; 132 Stat. 2262; 10 U.S.C. 2802 note) is amended— (1) in subparagraph (A), by inserting “or a 500-year floodplain if outside a 100-year floodplain” after “100-year floodplain”; and (2) in subparagraph (B), by striking “100-year floodplain” and inserting “floodplain described in subparagraph (A)”. (b) Reporting Requirements.—Section 2805(a)(3) of the Military Construction Authorization Act for Fiscal Year 2019 (division B of Public Law 115-232; 132 Stat. 2262; 10 U.S.C. 2802 note) is amended— (1) in subparagraph (A), by inserting before the period at the end the following: “using hydrologic, hydraulic, and hydrodynamic data, methods, and analysis that integrate current and projected changes in flooding based on climate science over the anticipated service life of the facility and future forecasted land use changes”; and (2) in subparagraph (D), by inserting after “future” the following: “flood risk and”. (c) Mitigation Plan Assumptions.—Section 2805(a)(4) of the Military Construction Authorization Act for Fiscal Year 2019 (division B of Public Law 115-232; 132 Stat. 2262; 10 U.S.C. 2802 note) is amended— (1) in subparagraphs (A) and (B), by striking “buildings” and inserting “facilities”; and (2) in subparagraph (C), by inserting after “future” the following: “flood risk and”. (d) [10 U.S.C. 2802 note] Conforming Amendment of Unified Facilities Criteria.— (1) Amendment required.—Not later than September 1, 2022, the Secretary of Defense shall amend the Unified Facilities Criteria relating to military construction planning and design to ensure that building practices and standards of the Department of Defense incorporate the minimum flood mitigation requirements of section 2805(a) of the Military Construction Authorization Act for Fiscal Year 2019 (division B of Public Law 115-232; 132 Stat. 2262; 10 U.S.C. 2802 note), as amended by this section. (2) Implementation of unified facilities criteria amendments.— (A) Implementation.—Any Department of Defense Form 1391 submitted to Congress after September 1, 2022, shall comply with the Unified Facilities Criteria, as amended pursuant to paragraph (1). (B) Certification.—Not later than March 1, 2023, the Secretary of Defense shall certify to the Committees on Armed Services of the House of Representatives and the Senate the completion of the amendment process required by paragraph (1) and the full incorporation of the amendments into military construction planning and design.