Low Risk Pennsylvania  ·  Flash Flooding / Winter Storm

Dauphin County PA

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

5/ 10
Threat Score
Population
278
Area
525
sq miles
Primary Hazard
Flash Flooding / Winter Storm
FEMA Disasters
6
federally declared

Dauphin County PA in Pennsylvania faces flash flooding / winter storm risk across its 525 square mile area. Harrisburg the state capital faces Susquehanna flooding and is home to Three Mile Island zone. Dauphin 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 5 / 10    Low Risk
Primary Hazard Flash Flooding / Winter Storm
Secondary Hazard Tornado
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event Ida 2021
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (717) 780-6350
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Dauphin County PA
State Pennsylvania (PA)
Population 278
Area 525 sq miles
FEMA Region Low

// Major Cities

Middletown PA Harrisburg PA

// Cities in This County

// Other Pennsylvania Counties

// Nearby Infrastructure Risks

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

Three Mile Island Nuclear Site PA
Nuclear Power Plant  ·  Middletown, PA  ·  Constellation Energy  ·  10-mi risk zone
8/10 High
🏥
Penn State Milton S. Hershey Medical Center PA
Major Hospital  ·  Hershey, PA  ·  Penn State Health  ·  25-mi risk zone
6/10 Moderate

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