Low Risk Texas  ·  Extreme Heat / Flash Flooding

McMullen County TX

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

5/ 10
Threat Score
Population
700
Area
1,134
sq miles
Primary Hazard
Extreme Heat / Flash Flooding
FEMA Disasters
6
federally declared

McMullen County TX in Texas faces extreme heat / flash flooding risk across its 1,134 square mile area. Tilden serves one of the least populous Texas counties in the Eagle Ford Shale. McMullen serves as the county seat and regional emergency coordination hub for this area.

// 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 Extreme Heat / Flash Flooding
Secondary Hazard Drought
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event 2018 Flash Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (830) 274-3215
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County McMullen County TX
State Texas (TX)
Population 700
Area 1,134 sq miles
FEMA Region Low

// Other Texas Counties