FloodZoneMap.org

Columbia County, Washington Flood Zones

Check an Address in Columbia County

Enter any address in Columbia County, Washington to see its FEMA flood zone

Columbia County Disaster History

Disaster Declarations
16
Flood/Coastal Disasters
8
Latest Disaster
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES (2020-12-29)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Columbia County

DeclarationTypeDate
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDESSevere Storm2020-12-29
COVID-19 PANDEMICBiological2020-01-20
COVID-19Biological2020-01-20
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESFlood2020-01-20
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, MUDSLIDESFlood2017-01-30
SEVERE WINTER STORM, LANDSLIDES, MUDSLIDES, AND FLOODINGFlood2009-01-06
SEVERE WINTER STORM AND RECORD AND NEAR RECORD SNOWSevere Storm2008-12-12
COLUMBIA FIRE COMPLEXFire2006-08-21
HURRICANE KATRINA EVACUATIONCoastal Storm2005-08-29
SCHOOL FIREFire2005-08-07

Flood Zone Types in Columbia County

FEMA assigns flood zone designations to areas in Columbia County, Washington:

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 Columbia County

Properties in Columbia County, Washington 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.