Prince William County south of Washington DC hosts Marine Corps Base Quantico — home of the FBI Academy the Marine Corps Officer Candidates School and the National Museum of the Marine Corps. The Occoquan and Bull Run watersheds create flooding risk with Ida in 2021 causing significant damage. The county is one of the fastest growing in Virginia as DC suburbanization expands south. Quantico's presence makes the county an important national security and law enforcement training 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.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 6 / 10 Moderate Risk |
| Primary Hazard | Tornado / Flash Flooding |
| Secondary Hazard | Terrorism Proximity |
| FEMA Flood Zone | Moderate |
| Federally Declared Disasters | 5 |
| Last Major Event | Ida 2021 |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (703) 792-6000 |
| Emergency Shelters | 14 designated facilities |
| Evacuation Routes | I-95 I-66 US-1 VA-234 |
// County Profile
| County | Prince William County VA |
| State | Virginia (VA) |
| Population | 476 |
| Area | 348 sq miles |
| FEMA Region | Moderate |
// Major Cities
// Cities in This County
// Other Virginia 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.