FloodZoneMap.org

Adams County, Washington Flood Zones

Check an Address in Adams County

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

Read First-Hand Flood Stories from Adams County

3 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 Adams County

Adams County, Washington has recorded 7 flood-related events since 1996 according to NOAA's Storm Events Database, including 1 flash floods and 6 river or area floods. The county has received 10 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Adams County Disaster History

FEMA Disaster Declarations (1977–2022)

Disaster Declarations
10
Flood/Coastal Disasters
3
Latest Disaster
Lind Fire (2022-08-04)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Adams County

DeclarationTypeDate
Lind FireFireAug 4, 2022
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
High Winds, Severe Storms And FloodingFloodJan 26, 1996
Volcanic Eruption, Mt. St. HelensVolcanic EruptionMay 21, 1980
DroughtDroughtMar 31, 1977

Recorded Flood Events in Adams County

NOAA Storm Events Database (1996–2025)

Total Flood Events
7
River/Area Floods
6
Flash Floods
1
Total Property Damage
$210,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Adams County

TypeDateDamage
FloodFeb 16, 2017200.00K
FloodFeb 16, 20175.00K
FloodFeb 12, 20145.00K
Flash FloodMay 9, 2005
FloodJun 27, 2001
FloodMay 21, 1997
FloodJan 2, 1997

Adams County Flood History

Flood — Feb 16, 2017

During the afternoon of February 15th and into the morning of February 16th an atmospheric river of moisture produced widespread heavy rain across eastern Washington. The Spokane airport received 1.18 inches of rainfall during this period, Harrington 1.27 inches and 1.55 inches of rain fell at Newport. Runoff from this rain along with low elevation snow melt produced widespread small stream and...

Flood — Feb 12, 2014

Numerous areas across the Idaho Panhandle dealt with flooding during the second week of February. While minor flooding is a common occurrence during the late winter months when warmer temperatures, wind, and rain fall on valley snowpack, there was one ingredient of this event that made it unique and rather intense for many locations. This was the intrusion of two Arctic air masses; one in Decem...

Flash Flood — May 9, 2005

On the evening of the 9th of May, a storm system brought slow moving thunderstorms across Eastern Washington. These storms dumped 2 to 5 inches of rain in about 6 hours on portions of Adams, Lincoln and Chelan Counties. In Adams County, flash flooding occurred in and around the town of Ritzville. Many homes, streets and businesses were flooded due to the heavy rain. In Lincoln County, a few hom...

Flood — Jun 27, 2001

Summary of events for June 27 2001:A shortwave moved over the Inland Northwest on the afternoon and evening of June 27. Surface dewpoints in the upper 50s and lower 60s helped scattered thunderstorms to develop and move northeast. The biggest storm of the day developed over the Oregon Cascades and then moved northeast into Washington. This storm entered Grant County near Priest Rapids Dam, c...

Flood — Jan 2, 1997

The towns of Rosalia, Rockford, Tekoa and Oaksdale all flooded as Hangman and Rock Creek overflowed. Buses and trucks were banned from all Whitman County roads. Most flooded homes and businesses had two feet or three feet of water in them.

Source: NOAA National Weather Service Storm Events Database.

Adams County NFIP Flood Insurance Claims

Total Claims Filed
5
Total Paid Out
$7,659
Avg Claim
$3,829
Avg Water Depth
99.0 ft

Claims by Flood Zone

A Zones (High Risk)
5

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

Flood Zone Types in Adams County

FEMA assigns flood zone designations to areas in Adams 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 Adams County

Properties in Adams 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.