Title 33 › CHAPTER 12 — RIVER AND HARBOR IMPROVEMENTS GENERALLY › SUBCHAPTER I — GENERAL PROVISIONS › § 579d–2
The Secretary must find water projects that are no longer likely to be built and make lists to remove them from authorization. The Secretary must make a preliminary list of projects authorized before June 10, 2014 that either had no planning, design, or construction started before January 4, 2025, or that started before January 4, 2025 but had no federal or non‑federal funds obligated for those activities in the current fiscal year or any of the 10 prior fiscal years. From that list the Secretary must prepare a proposed list of projects to be deauthorized and include an overall estimate of federal cost to finish them (using the most recent schedule and cost and any allowed cost adjustments). The Secretary must ask the public and Governors for comments for 90 days, then make a final list that responds to comments and includes an appendix saying which proposed projects were dropped and why. Within 90 days after the comment period ends, the Secretary must send the final list and appendix to the House Transportation and Infrastructure Committee and the Senate Environment and Public Works Committee and publish the list in the Federal Register. Projects that got federal funds obligated after the preliminary list was made but before the final list is sent must not be included. Certain rules change how projects are treated. A project cannot be put on the proposed or final deauthorization lists if it received funding for a post‑authorization study in the current fiscal year or any of the 10 prior fiscal years. If a project was authorized before November 17, 1986 and had no construction started before December 27, 2020, or had no construction funds obligated in the 10 years before December 27, 2020, it is deauthorized; the Secretary must report the names and estimated current values of those projects to the two committees within 60 days after December 27, 2020. Also, a project that has not started construction within 20 years after its authorization cannot move forward until the Secretary sends a post‑authorization change report updating the economic and environmental analysis to the two committees and those committees address any needed changes. Definitions: "post‑authorization change report" — a report that updates the economic and environmental review after authorization; "post‑authorization study" — a feasibility report, a feasibility study, or a review (including an initial appraisal) that shows federal interest and needs more work.
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Navigation and Navigable Waters, Source: USLM XML via OLRC
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33 U.S.C. § 579d–2
Title 33, Navigation and Navigable Waters
Last Updated
Sep 22, 2026
Release point: 119-110