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Fort Smith, AR Environmental Rules: Flood Zones (2026)

Significant Restrictions

Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

FEMA flood zone rules in Fort Smith, AR, also called floodplain regulations or special flood hazard area (SFHA) rules, determine flood insurance requirements and elevation standards for new construction.

Key Facts

Requirement: Development permit before any floodplain work
Covers: Building, filling, grading, alteration
Issued by: City floodplain administrator
Fine: Up to $500.00 per violation

FEMA Flood Zone Lookup

FEMA assigns every parcel in the U.S. a flood-hazard designation on its Flood Insurance Rate Maps (FIRMs). Zones starting with A or V are high-risk Special Flood Hazard Areas where federally backed mortgages require NFIP flood insurance. Zone X indicates moderate-to-minimal risk, where insurance is optional but often recommended. Your specific zone determines insurance cost, build elevation, and permit requirements in Fort Smith, AR.

Zone	What it means	NFIP required?
A	High-risk flood area; 1% annual chance flood, no detailed analysis.	Yes
AE	High-risk; same as A but with established Base Flood Elevations.	Yes
AH	High-risk shallow flooding (1-3 ft), usually ponding.	Yes
AO	High-risk shallow flooding (1-3 ft) with sheet flow on sloping terrain.	Yes
V	High-risk coastal zone subject to wave action (no BFE).	Yes
VE	High-risk coastal zone with wave action and established BFEs.	Yes
X (shaded)	Moderate risk; between the 1% and 0.2% annual chance flood.	Recommended
X	Minimal risk; outside the 0.2% annual chance floodplain.	No

Look up Fort Smith, AR on the FEMA flood map

FEMA maps update periodically; verify zone before buying flood insurance or building.

Summary

Fort Smith bars any development, building, filling, grading, or land alteration, inside a mapped floodplain or floodway without first obtaining a development permit from the city's floodplain administrator.

No owner or possessor of real property shall cause or allow to be caused any development in any floodplain or floodway area without first applying for and obtaining a development permit in conformance with the provisions of this article. No person or entity shall work on any such development for which the required development permit has not been obtained. The development permit shall be applied for by the owner or possessor of the subject real property or the authorized agent of the owner or possessor.
(Code 1976, § 7-80; Code 1992, § 11-38; Ord. No. 106-03, § 6, 12-16-2003)

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 4).

Full Breakdown

City Code § 11-38 makes it unlawful for a property owner or possessor to cause any development within a floodplain or floodway area inside Fort Smith without first applying for and receiving a development permit under Chapter 11. No person may even work on development for which the required permit has not been issued. The floodplain administrator reviews each application against Chapter 11's flood hazard reduction standards, covering elevation, floodproofing, and drainage, before approving construction inside the special flood hazard areas mapped on FEMA's flood insurance rate maps for the city.

Violations & Fines

Developing in a floodplain or floodway without the required § 11-38 permit is enforced under § 11-2: fines up to $500.00 per violation, plus the city may seek a court injunction to restrain or abate the unpermitted work.

Frequently Asked Questions

Do I need a permit to build in a Fort Smith floodplain?

Yes. City Code § 11-38 requires a development permit for any construction, filling, grading, or land alteration inside a mapped floodplain or floodway before work begins.

What happens if I develop in the floodplain without a permit?

You're in violation of Chapter 11; the city can fine you up to $500.00 under § 11-2 and seek a court order to stop the work.

Sources & Official References

[1]Fort Smith, AR Code of Ordinances — Municode

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