FloodZoneMap.org

Calhoun County, Iowa Flood Zones

Check an Address in Calhoun County

Enter any address in Calhoun County, Iowa to see its FEMA flood zone

Calhoun County Disaster History

Disaster Declarations
18
Flood/Coastal Disasters
4
Hurricane Disasters
1
Latest Disaster
SEVERE STORMS, TORNADOES, AND FLOODING (2024-05-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Calhoun County

DeclarationTypeDate
SEVERE STORMS, TORNADOES, AND FLOODINGSevere Storm2024-05-20
SEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADOESSevere Storm2021-12-15
COVID-19 PANDEMICBiological2020-01-20
COVID-19 Biological2020-01-20
SEVERE STORMS AND FLOODINGFlood2019-03-12
SEVERE STORMS, FLOODING, AND TORNADOESSevere Storm2010-06-01
SEVERE WINTER STORMSevere Storm2010-01-19
SEVERE WINTER STORMS AND SNOWSTORMSevere Storm2009-12-23
SEVERE STORMS AND FLOODINGSevere Storm2007-08-17
SEVERE WINTER STORMSSevere Storm2007-02-23

Flood Zone Types in Calhoun County

FEMA assigns flood zone designations to areas in Calhoun County, Iowa:

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 Calhoun County

Properties in Calhoun County, Iowa 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.