# 2026-11666: FEMA Publishes Latest Round of Flood Map Changes

2026-11666, Changes in Flood Hazard Determinations, is a Federal Register notice from Homeland Security Department, Federal Emergency Management Agency published 2026-06-11, effective Each LOMR was finalized as in the table below.; PRIA reads it as touching household money (as of 2026-06-18).

- Canonical: https://policyrisk.com/federal-register/2026-11666
- As of: 2026-06-18
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-11666
- Title: Changes in Flood Hazard Determinations
- Type: Notice
- Agencies: Homeland Security Department; Federal Emergency Management Agency
- Citation: 91 FR 35527
- Published: 2026-06-11
- 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: 2026-06-18

## In one line

FEMA Publishes Latest Round of Flood Map Changes

## Summary

FEMA just updated flood risk maps for several communities, changing flood zones and water levels that affect flood insurance rules. If you live or own property in these areas, your insurance rates or building rules might change soon. These updates are final and already published, so check your local map or online to see how it impacts you and your wallet.

## Abstract

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

- Flood zones and BFEs changed: mixed, medium. FEMA finalized Letter of Map Revisions (LOMRs) that change Base (1-percent annual chance) Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, and/or regulatory floodways for the communities listed. These LOMRs revise the Flood Insurance Rate…
- Updated community number required for policies: mixed, medium. The notice states that the current effective community number (as shown in the LOMR table) must be used for all new flood insurance policies and renewals in the listed communities. That means when you get a new or renewed NFIP policy in those communities, insurers will apply the updated community d…
- Where to view final maps and LOMRs: benefit, low. Final LOMRs and the revised flood hazard information are available at the Community Map Repository addresses listed in the table and online through the FEMA Map Service Center at https://msc.fema.gov. The notice encourages lessees and owners of real property to review the final flood hazard informa…

## 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
- [2026-11666 on federalregister.gov](https://www.federalregister.gov/documents/2026/06/11/2026-11666/changes-in-flood-hazard-determinations)
- [2026-11666 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-06-11/pdf/2026-11666.pdf)

## Related
- [Previous: 2026-11665, Changes in Flood Hazard Determinations](https://policyrisk.com/federal-register/2026-11665)
- [Next: 2026-11667, Changes in Flood Hazard Determinations](https://policyrisk.com/federal-register/2026-11667)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-11666 (as of 2026-06-18).