Moderate Risk Tennessee  ·  Tornado / Flash Flooding

Hamilton County TN

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

6/ 10
Threat Score
Population
366
Area
542
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Hamilton County anchored by Chattanooga sits at the Tennessee-Georgia border along the Tennessee River. Sequoyah Nuclear Plant is within 10 miles of Chattanooga placing the city in the nuclear Emergency Planning Zone — one of the largest cities directly in a nuclear EPZ in the United States. The Tennessee River creates flooding risk. Volkswagen's US manufacturing plant is located in Hamilton County creating critical automotive industry emergency planning requirements. The county is a regional hub for southeast Tennessee.

// 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 6 / 10    Moderate Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Nuclear Proximity
FEMA Flood Zone Moderate
Federally Declared Disasters 6
Last Major Event 2020 Tornado
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (423) 209-7400
Emergency Shelters 14 designated facilities
Evacuation Routes I-75 I-24 US-27 TN-153

// County Profile

County Hamilton County TN
State Tennessee (TN)
Population 366
Area 542 sq miles
FEMA Region Moderate

// Major Cities

Chattanooga TN

// Cities in This County

// Other Tennessee Counties

// Nearby Infrastructure Risks

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

🌊
Wolf Creek Dam KY
Major Dam  ·  Jamestown  ·  US Army Corps of Engineers  ·  150-mi risk zone
9/10 Critical
Watts Bar Nuclear Plant TN
Nuclear Power Plant  ·  Spring City  ·  Tennessee Valley Authority  ·  10-mi risk zone
7/10 High
Sequoyah Nuclear Plant TN
Nuclear Power Plant  ·  Soddy-Daisy  ·  Tennessee Valley Authority  ·  10-mi risk zone
7/10 High
🌊
Norris Dam TN
Major Dam  ·  Norris  ·  Tennessee Valley Authority  ·  100-mi risk zone
7/10 High

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