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Data / Federal rules / 2024-06246

Floodplain Management and Protection of Wetlands; Minimum Property Standards for Flood Hazard Exposure; Building to the Federal Flood Risk Management Standard

The Housing and Urban Development Department published this final rule in the Federal Register on April 23, 2024. It took effect on May 23, 2024.

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What the agency says

This final rule revises HUD's regulations governing floodplain management and the protection of wetlands to implement the Federal Flood Risk Management Standard (FFRMS) in accordance with the Executive Order titled "Establishing a Federal Flood Risk Management Standard and a Process for Further Soliciting and Considering Stakeholder Input." These revisions to HUD's regulations will improve the resilience of HUD-assisted or financed projects to the effects of climate change and natural disasters and provide for greater flexibility in the use of HUD assistance in floodways under certain circumstances. Among other revisions, this rule provides a process for determining the extent of the FFRMS floodplain, with a preference for a climate-informed science approach (CISA) to making this determination. The rule also revises HUD's floodplain and wetland regulations to streamline, improve overall clarity, and modernize standards. Also, this rule revises HUD's Minimum Property Standards for one-to-four-unit housing under HUD's mortgage insurance and low-rent public housing programs to require that the lowest floor in newly constructed structures located within the 1-percent-annual-chance (100-year) floodplain be built at least 2 feet above the base flood elevation (BFE) as determined by best available information. The rule also revises a categorical exclusion when HUD performs environmental reviews and updates various HUD environmental regulations to permit online posting of public notices.

Key facts

Document number
2024-06246
Type
Final rule
Action
Final rule
Agency
Housing and Urban Development Department
Published
April 23, 2024
Takes effect
May 23, 2024
Dates
Effective Date: May 23, 2024.
Docket
Docket No. FR-6272-F-02
Regulation ID (RIN)
2506-AC54
Code of Federal Regulations
24 CFR 50; 24 CFR 55; 24 CFR 58; 24 CFR 200
Topics
Administrative practice and procedure; Claims; Community development block grants; Environmental impact statements; Equal employment opportunity; Fair housing; Flood plains; Grant programs-housing and community development; Housing standards; Lead poisoning; Loan programs-housing and community development; Mortgage insurance; Organization and functions (Government agencies); Penalties; Reporting and recordkeeping requirements; Social security; Unemployment compensation; Wages
Significant
Yes, under Executive Order 12866
Pages
65

The document on federalregister.gov PDF

Other documents from the Housing and Urban Development Department

Everything from the Housing and Urban Development Department · Rules on administrative practice and procedure · Rules on claims · Rules on community development block grants · Published in April 2024

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.