High Risk Texas  ·  Hurricane / Storm Surge

Calhoun County TX

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

8/ 10
Threat Score
Population
21
Area
512
sq miles
Primary Hazard
Hurricane / Storm Surge
FEMA Disasters
9
federally declared

Calhoun County TX in Texas faces hurricane / storm surge risk across its 512 square mile area. Port Lavaca on Matagorda Bay was severely impacted by Harvey in this Gulf Coast county. Calhoun 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 8 / 10    High Risk
Primary Hazard Hurricane / Storm Surge
Secondary Hazard Tornado
FEMA Flood Zone Moderate
Federally Declared Disasters 9
Last Major Event Harvey 2017
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (361) 553-4600
Emergency Shelters 4 designated facilities
Evacuation Routes State and US highways

// County Profile

County Calhoun County TX
State Texas (TX)
Population 21
Area 512 sq miles
FEMA Region Moderate

// Major Cities

Port Lavaca TX

// Cities in This County

// Other Texas Counties

// Nearby Infrastructure Risks

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

Formosa Plastics Point Comfort TX
Chemical Facility  ·  Point Comfort, TX  ·  Formosa Plastics / Taiwan  ·  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.