Bel Air Maryland is the county seat of Harford County and the primary suburban community serving Aberdeen Proving Ground — the US Army's primary weapons testing facility. The county hosts a significant defense contractor and military family population. Harford County emergency management maintains specific chemical and biological emergency response protocols given APG's presence. The county is also within the Baltimore-Washington corridor vulnerable to secondary effects of any major attack on DC or Baltimore infrastructure.
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// Risk Intelligence
| Threat Score | 7 / 10 High |
| Primary Hazard | Military / Chemical / Suburban |
| FEMA Flood Zone | Moderate |
| County FEMA Declarations | 6 |
| Last Major Event | Ida 2021 |
// Emergency Information
| Emergency Phone | 410-638-3000 |
| Evacuation Routes | I-95 MD-22 US-40 MD-543 |
| Elevation | 264 ft above sea level |
// County Risk Profile
Harford County MD
Maryland · Tornado / Flash Flooding
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6/10
Moderate Risk