FloodZoneMap.org

Franklin County, Washington Flood Zones

Check an Address in Franklin County

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

Flood Risk Data for Franklin County

Franklin County, Washington has recorded 6 flood-related events since 1996 according to NOAA's Storm Events Database. The county has received 11 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Franklin County Disaster History

FEMA Disaster Declarations (1977–2021)

Disaster Declarations
11
Flood/Coastal Disasters
4
Latest Disaster
Severe Winter Storms, Snowstorms, Straight-line Winds, Floodin (2021-12-26)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Franklin County

DeclarationTypeDate
Severe Winter Storms, Snowstorms, Straight-line Winds, FloodinFloodDec 26, 2021
Wildfires And Straight-line WindsFireSep 1, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storms, Flooding, Landslides, MudslidesFloodJan 30, 2017
Severe Winter Storm And Record And Near Record SnowSevere StormDec 12, 2008
Hurricane Katrina EvacuationCoastal StormAug 29, 2005
Severe Winter Storms, Land & Muds Slides,floodingSevere StormDec 26, 1996
Volcanic Eruption, Mt. St. HelensVolcanic EruptionMay 21, 1980
FloodingFloodMar 12, 1979

Recorded Flood Events in Franklin County

NOAA Storm Events Database (1996–2025)

Total Flood Events
6
River/Area Floods
6
Total Property Damage
$3.0M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Franklin County

TypeDateDamage
FloodMay 18, 20200.00K
FloodFeb 21, 20173.00M
FloodFeb 2, 2003
FloodJan 31, 1997
FloodJun 12, 1997
FloodJan 1, 1997

Franklin County Flood History

Flood — May 18, 2020

Thunderstorms moved across the Columbia Basin during the afternoon and evening on 5/18/20 and produced locally heavy rain. Minor flooding was reported in Connell.

Flood — Feb 21, 2017

Rapid melting of low elevation snow pack with heavy rain cause flooding across portions of southeast Washington.

Flood — Jan 31, 1997

Water and mud covered many streets in Connell. Several downtown businesses had flooded basements. Significant road damage to some area roads.

Flood — Jan 1, 1997

Minor flooding in the flood plain, high school parking lot partially flood.

Source: NOAA National Weather Service Storm Events Database.

Franklin County NFIP Flood Insurance Claims

Total Claims Filed
1
Total Paid Out
$0
Avg Claim
$0

Claims by Flood Zone

X Unshaded (Low)
1

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Franklin County

FEMA assigns flood zone designations to areas in Franklin 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 Franklin County

Properties in Franklin 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. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.