Low Risk Washington  ·  Wildfire / Flash Flooding

Columbia County WA

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

5/ 10
Threat Score
Population
4
Area
869
sq miles
Primary Hazard
Wildfire / Flash Flooding
FEMA Disasters
6
federally declared

Columbia County WA in Washington faces wildfire / flash flooding risk across its 869 square mile area. Dayton serves this small southeast Washington county near the Blue Mountains. Columbia serves as the county seat and regional emergency coordination hub.

// Preparedness Recommendations

  • Evacuation routes inland should be identified in advance.
  • Store at least 72 hours of food and water.
  • Elevate critical belongings above flood level.
  • Have backup power ready in case of grid failure.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 5 / 10    Low Risk
Primary Hazard Wildfire / Flash Flooding
Secondary Hazard Winter Storm
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event 2021 Wildfire
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (509) 382-4542
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Columbia County WA
State Washington (WA)
Population 4
Area 869 sq miles
FEMA Region Low

// Other Washington Counties