FloodZoneMap.org

Knox County, Tennessee Flood Zones

Check an Address in Knox County

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

Knox County Disaster History

Disaster Declarations
19
Flood/Coastal Disasters
2
Hurricane Disasters
1
Latest Disaster
SEVERE WINTER STORM (2026-01-22)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Knox 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, STRAIGHT-LINE WINDS, AND TORNADOSevere Storm2023-08-07
SEVERE WINTER STORMWinter Storm2022-12-22
COVID-19 PANDEMICBiological2020-01-20
COVID-19 Biological2020-01-20
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESFlood2019-02-19
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODINGSevere Storm2017-05-27
SEVERE WINTER STORM AND FLOODINGSevere Ice Storm2015-02-15

Flood Zone Types in Knox County

FEMA assigns flood zone designations to areas in Knox 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 Knox County

Properties in Knox 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.