FloodZoneMap.org

Grant County, South Dakota Flood Zones

Check an Address in Grant County

Enter any address in Grant County, South Dakota to see its FEMA flood zone

Grant County Disaster History

Disaster Declarations
22
Flood/Coastal Disasters
10
Latest Disaster
FLOODING (2023-04-09)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Grant County

DeclarationTypeDate
FLOODINGFlood2023-04-09
SEVERE STORM, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODINGSevere Storm2022-05-12
COVID-19Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
SEVERE WINTER STORM, SNOWSTORM, AND FLOODINGFlood2019-03-13
SEVERE WINTER STORMSevere Storm2016-12-24
SEVERE STORMS, TORNADOES, AND FLOODING Severe Storm2013-06-19
FLOODINGFlood2011-03-11
FLOODING Flood2010-03-10
SEVERE WINTER STORMSevere Storm2010-01-20

Flood Zone Types in Grant County

FEMA assigns flood zone designations to areas in Grant County, South Dakota:

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 Grant County

Properties in Grant County, South Dakota 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.