Philadelphia County was devastated by the remnants of Hurricane Ida in September 2021, which dumped over 6 inches of rain in hours, flooding subway stations and killing 13 people in basement apartments. The Schuylkill and Delaware Rivers create serious flooding risk across the city. Philadelphia's aging combined sewer system overflows during heavy rain events creating public health hazards.
// 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.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
* We may earn a commission from qualifying purchases.
// Risk Intelligence
| Threat Score | 6 / 10 Moderate Risk |
| Primary Hazard | Hurricane / Flooding |
| Secondary Hazard | Tornado |
| FEMA Flood Zone | Zone AE (Moderate Risk) |
| Federally Declared Disasters | 36 |
| Last Major Event | Hurricane Ida (2021) |
| Event Frequency | Major event every 5–6 years |
// Emergency Operations
| Emergency Mgmt Phone | (215) 686-0860 |
| Emergency Shelters | 58 designated facilities |
| Evacuation Routes | I-95 North, I-76 West, I-676 West, US-1 North |
// County Profile
| County | Philadelphia County PA |
| State | Pennsylvania (PA) |
| Population | 1,576,251 |
| Area | 142 sq miles |
| FEMA Region | Zone AE (Moderate Risk) |
// Major Cities
// 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.
Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.