(a) Report Required.—
Not later than March 31 of each year, the Secretary of Defense shall submit to Congress a report on progress made by environmental programs of the Department of Defense during the preceding fiscal year.
(b) Elements.—Each report under subsection (a) shall include, for the year covered by the report, the following:
(1) With respect to environmental restoration activities of the Department of Defense, and for each of the military departments, information on the Defense Environmental Restoration Program under section 2701 of this title, including—
(C) the remaining cost to complete cleanup of known sites, including information on the costs associated with investigating and remediating releases of per- and polyfluoroalkyl substances, including—
(i)
detailed information regarding the total potential cost to the Department of investigating and remediating such releases at all locations where investigation and remediation is expected to be funded by the Department; and
(c) Consolidation.—
The Secretary of Defense may consolidate, attach with, or otherwise include in any report required under subsection (a) any annual report or other requirement that is aligned or associated with, or would be better understood if presented as part of a consolidated report addressing environmental restoration, compliance, and resilience.
(d) PFAS Cost-to-complete Analysis.—The Secretary shall carry out an annual cost-to-complete analysis with respect to the most important contributors to the costs to the Department of investigating and remediating per- and polyfluoroalkyl substances releases that—
(1) includes—
(A)
an assessment of any changes in regulatory standards, treatment technologies, and site prioritization that could affect the cost to complete;
(B)
examples of how modifying assumptions about contamination extent, remediation timelines, or emerging disposal methods could affect the cost to complete; and
(2) incorporates a risk and uncertainty analysis with respect to the effects of potential changes in the most important contributors to the costs to the Department to complete the known per- and polyfluoroalkyl substances sites, including—
(A)
variability in the extent of such contamination based on ongoing site assessments, inspections, and investigations;
(B)
shifts in regulatory requirements that could alter investigation and remediation strategies; and
(C)
advances in technologies for the treatment and disposal such contamination that could reduce or increase long-term costs.
(Added Pub. L. 112–81, div. A, title III, § 317(a), Dec. 31, 2011, 125 Stat. 1359; amended Pub. L. 117–263, div. A, title III, § 314(a), Dec. 23, 2022, 136 Stat. 2503; Pub. L. 119–60, div. A, title III, § 311, Dec. 18, 2025, 139 Stat. 803.)