Low Risk Virginia  ·  Tornado / Flash Flooding

Louisa County VA

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

4/ 10
Threat Score
Population
35
Area
497
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
5
federally declared

Louisa County VA in Virginia faces tornado / flash flooding risk across its 497 square mile area. Mineral was the epicenter of the 2011 5.8 earthquake affecting North Anna Nuclear Plant. Louisa 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 4 / 10    Low Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Severe Storm
FEMA Flood Zone Low
Federally Declared Disasters 5
Last Major Event 2011 North Anna Earthquake
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (540) 967-3400
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Louisa County VA
State Virginia (VA)
Population 35
Area 497 sq miles
FEMA Region Low

// Other Virginia Counties

// Nearby Infrastructure Risks

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

North Anna Nuclear Power Station VA
Nuclear Power Plant  ·  Mineral, VA  ·  Dominion Energy  ·  10-mi risk zone
8/10 High

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