Why It Matters
Environmental infrastructure assistance authorities, first authorized in 1992 under the Water Resources Development Act, support projects at publicly owned facilities including water treatment, wastewater systems, stormwater collection, and environmental restoration. A Congressional Research Service report examines how these programs operate and the policy questions Congress faces as it considers competing proposals to expand or curtail them.
The Big Picture
EI assistance is not subject to the USACE planning process and does not require a feasibility study; the anticipated benefits of a project are determined by its nonfederal sponsor, and projects that receive EI assistance are required to comply with the National Environmental Policy Act of 1969.
Congressional appropriations for these authorities have fluctuated from $100 million in fiscal 2021 to $360 million in fiscal 2026, with the vast majority directed through member-requested community project funding rather than broad work plans. S. 4949 includes a provision directing the Army's Assistant Secretary for Civil Works to designate EI projects under $50 million in federal costs as categorically excluded from certain environmental review requirements within 180 days of enactment. The bill would increase appropriations by $932 million.
On May 21, the Corps published a draft deauthorization list targeting 180 EI assistance authorities totaling over $1.8 billion in authorized appropriations, though Congress has already reauthorized some previously deauthorized authorities in recent water bills. Unlike the standard deauthorization process, authorities on the final list are not automatically deauthorized; instead, pursuant to WRDA 2024, the ASACW's role concludes with submission to Congress for review.
The Bottom Line
Congress faces competing priorities on environmental infrastructure assistance: pending legislation would both expand EI authorities and increase funding, while the Army Corps simultaneously pursues a deauthorization process that could eliminate hundreds of existing authorities. The outcome will depend on how Congress balances the desire to modernize water infrastructure with concerns about program scope and execution.
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