FloodZoneMap.org

Stevens County, Washington Flood Zones

Check an Address in Stevens County

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

The Flooding Character of Stevens County

Flooding from heavy rainfall and rapid snowmelt is the primary flood character in Stevens County. Over the past 30 years, NOAA Storm Events data shows 16 flood events and 8 flash flood events. For example, in April 2023, an atmospheric river combined with mild temperatures led to rapid snowmelt and heavy rain, causing flooding issues across the region.

National Flood Insurance Program (NFIP) claims data indicates that while Zone X areas have seen the most claims (7), with an average payout of $6,406 and water depths averaging 1.4 feet, Zone A areas have also experienced claims. Homeowners in areas designated as Zone A, as well as those in Zone X, should pay close attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Stevens County

6 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read Washington flood stories →

Flood Risk Data for Stevens County

Stevens County, Washington has recorded 24 flood-related events since 1996 according to NOAA's Storm Events Database, including 8 flash floods and 16 river or area floods. The county has received 21 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Stevens County Disaster History

FEMA Disaster Declarations (1974–2021)

Disaster Declarations
21
Flood/Coastal Disasters
4
Latest Disaster
Ford Corkscrew Fire (2021-08-16)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Stevens County

DeclarationTypeDate
Ford Corkscrew FireFireAug 16, 2021
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Straight-line Winds, Flooding, Landslides, And MudslidesSevere StormNov 12, 2015
Renner FireFireAug 21, 2015
Stevens County Fire ComplexFireAug 14, 2015
WildfiresFireAug 13, 2015
Wildfires And MudslidesFireAug 9, 2015
Lake Spokane FireFireJul 9, 2014
Slide Creek WildfireFireAug 26, 2010

Recorded Flood Events in Stevens County

NOAA Storm Events Database (1996–2025)

Total Flood Events
24
River/Area Floods
16
Flash Floods
8
Total Property Damage
$3.1M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Stevens County

TypeDateDamage
FloodJun 27, 20230.50K
FloodApr 10, 20230.50K
FloodApr 10, 20231.00K
FloodApr 10, 20232.00K
Flash FloodJul 4, 20222.00K
FloodMay 9, 2018100.00K
FloodMar 12, 20171.60M
FloodApr 1, 2017800.00K
FloodFeb 12, 20140.00K
FloodMar 30, 20120.00K

Stevens County Flood History

Flood — Jun 27, 2023

Thunderstorms impacted the region bringing damage and flash flooding to Eastern Washington.

Flood — Apr 10, 2023

An atmospheric river brought mild temperatures and heavy rain to Northeast Washington. The mild temperatures caused snowmelt in the low to mid elevations. The rapid melt and rain amounts of an 1.0-1.5 caused flooding issues.

Flash Flood — Jul 4, 2022

A slow moving low moved through the region over July 3 through July 5. It carried ample moisture and instability to produce several rounds of thunderstorms and heavy rains. The thunderstorms produced hail, high winds, and lightning. The heavy rains created flash flooding.

Flood — May 9, 2018

Run off from melting of near record snow pack in the British Columbia mountains promoted record flooding on the Kettle River during the second and third weeks of May. Bottom lands and parks along the river were extensively inundated as well as yards and outbuildings. Many homes near the river suffered basement flooding and a few homes received first floor flooding. ||Highway 21 near Danville, a...

Flood — Mar 12, 2017

The month of March was a very wet period for eastern Washington. The Pullman COOP station reported a monthly total of 5.25 inches of precipitation, 2.75 inches above average for the month. The Spokane airport reported 4.11 inches which was 2.50 inches above average. The Colville COOP station reported 2.98 inches which was 1.86 inches above average and the Wenatchee airport recorded 1.23 inches,...

Source: NOAA National Weather Service Storm Events Database.

Stevens County NFIP Flood Insurance Claims

Total Claims Filed
13
Total Paid Out
$57,539
Avg Claim
$8,219
Avg Water Depth
2.3 ft

Claims by Flood Zone

A Zones (High Risk)
5
X Unshaded (Low)
1

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

Flood Zone Types in Stevens County

FEMA assigns flood zone designations to areas in Stevens 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 Stevens County

Properties in Stevens 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.