# 2026-15946: Flood Maps Revised: FEMA Says Your House is Safer (Maybe)

2026-15946, Changes in Flood Hazard Determinations, is a Federal Register notice from Homeland Security Department, Federal Emergency Management Agency published 2026-08-06, effective Each LOMR was finalized as in the table below.; PRIA reads it as touching household money (as of 2026-08-13).

- Canonical: https://policyrisk.com/federal-register/2026-15946
- As of: 2026-08-13
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-15946
- Title: Changes in Flood Hazard Determinations
- Type: Notice
- Agencies: Homeland Security Department; Federal Emergency Management Agency
- Citation: 91 FR 50879
- Published: 2026-08-06
- Effective: Each LOMR was finalized as in the table below.
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-08-13

## In one line

Flood Maps Revised: FEMA Says Your House is Safer (Maybe)

## Summary

New or modified Base (1-percent annual chance) Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, and/or regulatory floodways (hereinafter referred to as flood hazard determinations) as shown on the indicated Letter of Map Revision (LOMR) for each of the communities listed in the table below are finalized. Each LOMR revises the Flood Insurance Rate Maps (FIRMs), and in some cases the Flood Insurance Study (FIS) reports, currently in effect for the listed communities.

## Effects PRIA read

- Finalized Flood Map Changes: mixed, medium. FEMA finalized new or modified Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, and/or regulatory floodways for the communities listed in the notice. Each change is shown on a Letter of Map Revision (LOMR) that revises that community…
- Communities Must Adopt Flood Rules to Stay in NFIP: cost, medium. The notice says the new or modified flood hazard information is the basis for floodplain management measures that a community must adopt or show are already in effect to remain qualified for participation in the National Flood Insurance Program (NFIP). Communities listed must meet those minimum mea…
- Use Shown Community Number for Policies: mixed, low. The notice states: 'The current effective community number is shown and must be used for all new policies and renewals.' If you buy or renew NFIP flood insurance for properties in the listed communities, insurers must use the effective community number shown in the LOMR process.
- LOMRs Available Locally and Online: benefit, low. Each Letter of Map Revision (LOMR) is available for inspection at the community map repository address listed for that community and online through the FEMA Map Service Center at https://msc.fema.gov. The notice encourages lessees and owners of real property in the listed communities to review the…

## Related documents

- [2026-20497](https://policyrisk.com/federal-register/2026-20497): Agency Information Collection Activities: Submission for OMB Review, Comment Request; Elevation Certificate/Floodproofing Certificate., 2026-10-07
- [2026-20458](https://policyrisk.com/federal-register/2026-20458): Agency Information Collection Activities: Submission for OMB Review, Comment Request; Hazard Mitigation Grant Programs, 2026-10-06
- [2026-19854](https://policyrisk.com/federal-register/2026-19854): Notice of Maximum Amount of Assistance Under the Individuals and Households Program, 2026-09-29
- [2026-19856](https://policyrisk.com/federal-register/2026-19856): Notice of Award Amount Adjustment for Serious Needs Assistance, 2026-09-29
- [2026-19898](https://policyrisk.com/federal-register/2026-19898): Notice of Adjustment of Disaster Grant Amounts, 2026-09-29
- [2026-19859](https://policyrisk.com/federal-register/2026-19859): Notice of Adjustment of Minimum Project Worksheet Amount, 2026-09-29

## Sources
- [2026-15946 on federalregister.gov](https://www.federalregister.gov/documents/2026/08/06/2026-15946/changes-in-flood-hazard-determinations)
- [2026-15946 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-08-06/pdf/2026-15946.pdf)

## Related
- [Previous: 2026-15945, Center for Scientific Review; Notice of Closed Meeting](https://policyrisk.com/federal-register/2026-15945)
- [Next: 2026-15949, Certification Under Section 7045(b)(2)(A) of the National Security, Department…](https://policyrisk.com/federal-register/2026-15949)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-15946 (as of 2026-08-13).