Flood disaster declarations in Washington

As of : FEMA’s OpenFEMA data lists 35 Flood disaster declarations for Washington, from Feb 25, 1956 to Apr 7, 2026. The most recent is “SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES”. That is 15.9% of all Washington declarations. 32 are major disaster declarations. 8 came in the last ten years.

This page is a historical count of federal declarations. It is not a warning or emergency guidance: for current local emergency information use your state or county emergency management office.

Published: · Data updated:

Primary source

Last checked against the source: . This product uses the Federal Emergency Management Agency’s OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s). Counts are made by this site from FEMA's published rows: each disaster number is counted once per state and incident type.

Extended data

MeasureValue
Declarations (distinct disaster numbers)35
Major disaster declarations (DR)32
Emergency declarations (EM)3
Fire management declarations (FM)0
Area designations (counties and other areas, all declarations)357
Declarations with Individual Assistance19
Declarations with Public Assistance31
Declarations with Hazard Mitigation10
Declarations in the last 10 years8
First declaration in the dataFeb 25, 1956
Most recent declarationApr 7, 2026
Most recent declaration titleSEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Years from first to latest (inclusive)71
Average declarations per year (calculated)0.49
Share of all declarations in this state (calculated)15.9%
All declarations in this state, every incident type in scope220
Share of all declarations of this incident type nationwide (calculated)3.8%
Rank among states and territories for this incident type4
Rank among this state's incident types2

Declarations by year (the 10 most recent years that had at least one)

Year declaredDeclarations
20261
20251
20222
20201
20181
20171
20161
20091
19972
19961

How the figures are counted: a declaration is counted once per state and incident type by its FEMA disaster number, even when it designates many areas; shares and the yearly average are calculated by this site from those counts.

Worked example: Washington, Flood: 35 declarations over 71 years (1956–2026) = 0.49 per year on average.

Frequently asked questions

How many Flood disaster declarations has Washington had?

OpenFEMA lists 35 Flood declarations for Washington between Feb 25, 1956 and Apr 7, 2026: 32 major disaster (DR), 3 emergency (EM) and 0 fire management (FM) declarations.

When was the most recent Flood declaration in Washington?

The most recent in the data is “SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES”, declared on Apr 7, 2026.

How does Washington compare with other states for Flood declarations?

Washington ranks 4th of 55 states and territories with at least one Flood declaration, and these declarations are 3.8% of all Flood declarations nationwide in this data.

What do DR, EM and FM mean in this data?

They are the declaration types in the OpenFEMA data: DR is a major disaster declaration, EM an emergency declaration and FM a fire management assistance declaration. One declaration can cover many areas, so area designations can exceed the number of declarations.

Is this page a warning or emergency guidance?

No. It is a historical count taken from FEMA's open data. For current emergency information use your state or county emergency management office.