# 2026-15942: FEMA Locks In Flood Zones: Your Backyard Now Officially Swampy?

2026-15942, Final Flood Hazard Determinations, is a Federal Register notice from Homeland Security Department, Federal Emergency Management Agency published 2026-08-06, effective 2026-11-13; PRIA reads it as touching household money (as of 2026-08-13).

- Canonical: https://policyrisk.com/federal-register/2026-15942
- As of: 2026-08-13
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-15942
- Title: Final Flood Hazard Determinations
- Type: Notice
- Agencies: Homeland Security Department; Federal Emergency Management Agency
- Citation: 91 FR 50874
- Published: 2026-08-06
- Effective: 2026-11-13
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-08-13

## In one line

FEMA Locks In Flood Zones: Your Backyard Now Officially Swampy?

## Summary

Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, or regulatory floodways on the Flood Insurance Rate Maps (FIRMs) and where applicable, in the supporting Flood Insurance Study (FIS) reports have been made final for the communities listed in the table below. The FIRM and FIS report are the basis of the floodplain management measures that a community is required either to adopt or to show evidence of having an effect in order to qualify or remain qualified for participation in the Federal Emergency Management Agency's (FEMA's) National Flood Insurance Program (NFIP).

## Effects PRIA read

- New flood maps final on Nov 13, 2026: mixed, low. If you live in one of the listed communities, the new Flood Insurance Rate Maps (FIRMs) and, where applicable, supporting Flood Insurance Study (FIS) reports become final on November 13, 2026. The new maps will be available for inspection at the community map repository addresses listed in the noti…
- Communities must adopt floodplain rules to stay in NFIP: mixed, medium. For each listed community, the FIRM and FIS reports are the basis of floodplain management measures that the community is required to adopt or to show evidence of having an effect in order to qualify or remain qualified for participation in FEMA's National Flood Insurance Program (NFIP). If your co…
- Owners and lessees encouraged to review new maps: benefit, low. The notice encourages interested property owners and lessees in the listed communities to review the new or revised FIRM and FIS reports at the community map repository addresses shown in the notice or online through the FEMA Map Service Center by November 13, 2026. Reviewing the maps can show whet…

## 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
- [2026-15942 on federalregister.gov](https://www.federalregister.gov/documents/2026/08/06/2026-15942/final-flood-hazard-determinations)
- [2026-15942 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-08-06/pdf/2026-15942.pdf)

## Related
- [Previous: 2026-15941, Final Flood Hazard Determinations](https://policyrisk.com/federal-register/2026-15941)
- [Next: 2026-15943, Proposed Flood Hazard Determinations](https://policyrisk.com/federal-register/2026-15943)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-15942 (as of 2026-08-13).