Low Risk Ohio  ·  Tornado / Flash Flooding

Washington County OH

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

5/ 10
Threat Score
Population
61
Area
635
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Washington County OH in Ohio faces tornado / flash flooding risk across its 635 square mile area. Marietta at the confluence of the Muskingum and Ohio Rivers is Ohio's oldest city. Washington 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 Tornado / Flash Flooding
Secondary Hazard Ohio River Flooding
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event 2019 Ohio River Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (740) 373-6623
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Washington County OH
State Ohio (OH)
Population 61
Area 635 sq miles
FEMA Region Low

// Other Ohio Counties

// Nearby Infrastructure Risks

Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.

DuPont Washington Works WV Plant
Superfund Site  ·  Parkersburg, WV  ·  Chemours / DuPont  ·  5-mi risk zone
9/10 Critical

Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.