# 2026-11664: FEMA Finalizes Flood Updates Affecting Local Insurance

2026-11664, 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/2026-11664
- As of: 2026-06-18
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-11664
- Title: Changes in Flood Hazard Determinations
- Type: Notice
- Agencies: Homeland Security Department; Federal Emergency Management Agency
- Citation: 91 FR 35512
- 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 Finalizes Flood Updates Affecting Local Insurance

## 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 flood insurance rates or requirements 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

- Finalized Flood Map Changes for Listed Communities: mixed, medium. If you live in or own property in the communities listed (states include AZ, CA, CO, ID, NV, UT, and WY), FEMA finalized new Letter of Map Revisions (LOMRs) on the dates shown in the table (modification dates range from 2025-09-18 to 2025-10-15). These LOMRs revise the Flood Insurance Rate Maps (an…

## 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
- [2026-11664 on federalregister.gov](https://www.federalregister.gov/documents/2026/06/11/2026-11664/changes-in-flood-hazard-determinations)
- [2026-11664 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-06-11/pdf/2026-11664.pdf)

## Related
- [Previous: 2026-11663, Center for Scientific Review; Notice of Closed Meetings](https://policyrisk.com/federal-register/2026-11663)
- [Next: 2026-11665, Changes in Flood Hazard Determinations](https://policyrisk.com/federal-register/2026-11665)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-11664 (as of 2026-06-18).