FloodZoneMap.org

Hamilton County, Tennessee Flood Zones

Check an Address in Hamilton County

Enter any address in Hamilton County, Tennessee to see its FEMA flood zone

Hamilton County Disaster History

Disaster Declarations
25
Flood/Coastal Disasters
5
Hurricane Disasters
1
Latest Disaster
SEVERE WINTER STORM (2026-01-22)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Hamilton County

DeclarationTypeDate
SEVERE WINTER STORMWinter Storm2026-01-22
SEVERE WINTER STORMWinter Storm2026-01-22
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODINGSevere Storm2025-04-02
SEVERE STORMS, TORNADOES, AND FLOODINGSevere Storm2024-05-08
SEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADOSevere Storm2023-03-01
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODINGSevere Storm2020-04-12
COVID-19 PANDEMICBiological2020-01-20
COVID-19 Biological2020-01-20
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESFlood2019-02-19
SMITH MOUNTAIN FIRE COMPLEXFire2016-11-11

Flood Zone Types in Hamilton County

FEMA assigns flood zone designations to areas in Hamilton County, Tennessee:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Hamilton County

Properties in Hamilton County, Tennessee that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. Over 20% of NFIP claims come from low and moderate-risk areas.

Visit FloodSmart.gov to find an agent and get a quote.