Moderate Risk Texas  ·  Tornado / Flash Flooding

Rockwall County TX

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

6/ 10
Threat Score
Population
107
Area
149
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Rockwall County the smallest county in Texas by land area sits east of Dallas on Lake Ray Hubbard and is one of the fastest growing counties in the nation. The county faces serious tornado risk — a significant tornado struck in 2019. Lake Ray Hubbard creates flooding risk. The tiny county's explosive growth has outpaced emergency infrastructure development creating shelter capacity gaps relative to the growing population.

// 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 Severe Storm
FEMA Flood Zone Moderate
Federally Declared Disasters 6
Last Major Event 2019 Tornado
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (972) 882-0281
Emergency Shelters 4 designated facilities
Evacuation Routes I-30 TX-66 TX-205 TX-276

// County Profile

County Rockwall County TX
State Texas (TX)
Population 107
Area 149 sq miles
FEMA Region Moderate

// Other Texas Counties