“(a) Projects Authorized.—The Secretary concerned may carry out a stormwater management project on or related to a military installation for the purpose of—

“(1) improving military installation resilience or the resilience of a defense access road or other essential civilian infrastructure supporting the military installation; and

“(2) protecting nearby waterways and stormwater-stressed ecosystems.

“(b) Project methods and Funding sources.—A stormwater management project may be carried out under this section as, or as part of, any of the following:

“(1) An authorized military construction project.

“(2) An unspecified minor military construction project under section 2805 of this title, including using appropriations available for operation and maintenance subject to the limitation in subsection (c) of such section.

“(3) A military installation resilience project under section 2815 of this title, including using appropriations available for operations and maintenance subject to the limitation of subsection (e)(3) of such section.

“(4) A defense community infrastructure resilience project under section 2391(d) of this title.

“(5) A military construction project under section 2914 of this title.

“(6) A reserve component facility project under section 18233 of this title.

“(7) A defense access road project under section 210 of title 23.

“(c) Project priorities.—In selecting stormwater management projects to be carried out under this section, the Secretary concerned shall give a priority to project proposals involving the retrofitting of buildings and grounds on a military installation or retrofitting a defense access road to reduce stormwater runoff.

“(d) Project activities.—Activities carried out as part of a stormwater management project under this section may include the following:

“(1) The installation, expansion, or refurbishment of stormwater ponds and other water-slowing and retention measures.

“(2) The installation of permeable pavement in lieu of, or to replace existing, nonpermeable pavement.

“(3) The use of planters, tree boxes, cisterns, and rain gardens to reduce stormwater runoff.

“(e) Project coordination.—In the case of a stormwater management project carried out under this section on or related to a military installation and any project related to the same installation carried out under section 2391(d), 2815, or 2914 of this title, the Secretary concerned shall ensure coordination between the projects regarding the water access, management, conservation, security, and resilience aspects of the projects.

“(f) Annual Report.— (1) Not later than 90 days after the end of each fiscal year, each Secretary concerned shall submit to the congressional defense committees a report describing—

“(A) the status of planned and active stormwater management projects carried out by that Secretary under this section; and

“(B) all projects completed by that Secretary during the previous fiscal year.

“(2) Each report submitted under paragraph (1) shall include, with respect to each stormwater management project described in the report, the following information:

“(A) The title, location, a brief description of the scope of work, the original project cost estimate, and the current working cost estimate.

“(B) The rationale for how the project will—

“(i) improve military installation resilience or the resilience of a defense access road or other essential civilian infrastructure supporting a military installation; and

“(ii) protect waterways and stormwater-stressed ecosystems.

“(C) Such other information as the Secretary concerned considers appropriate.

“(g) Definitions.—In this section:

“(1) The term ‘defense access road’ means a road certified to the Secretary of Transportation as important to the national defense under section 210 of title 23.

“(2) The terms ‘facility’ and ‘State’ have the meanings given those terms in section 18232 of this title.

“(3) The term ‘military installation’ includes a facility of a reserve component of an armed force owned by a State rather than the United States.

“(4) The term ‘Secretary concerned’ means—

“(A) the Secretary of a military department with respect to military installations under the jurisdiction of that Secretary; and

“(B) the Secretary of Defense with respect to matters concerning the Defense Agencies and facilities of a reserve component owned by a State rather than the United States.”.