FloodZoneMap.org

Barnwell County, South Carolina Flood Zones

Check an Address in Barnwell County

Enter any address in Barnwell County, South Carolina to see its FEMA flood zone

Barnwell County Disaster History

Disaster Declarations
27
Hurricane Disasters
13
Latest Disaster
SEVERE WINTER STORM (2026-01-21)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Barnwell County

DeclarationTypeDate
SEVERE WINTER STORMWinter Storm2026-01-21
HURRICANE HELENETropical Storm2024-09-25
HURRICANE HELENEHurricane2024-09-25
TROPICAL STORM DEBBYTropical Storm2024-08-04
HURRICANE DEBBYTropical Storm2024-08-04
HURRICANE IDALIAHurricane2023-08-29
HURRICANE IANHurricane2022-09-25
HURRICANE IANHurricane2022-09-25
SEVERE STORMS, TORNADOES, AND STRAIGHT-LINE WINDSSevere Storm2020-04-12
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODINGSevere Storm2020-02-06

Flood Zone Types in Barnwell County

FEMA assigns flood zone designations to areas in Barnwell County, South Carolina:

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 Barnwell County

Properties in Barnwell County, South Carolina 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.