High Risk New Hampshire  ·  Hurricane / Nuclear Proximity

Rockingham County NH

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

7/ 10
Threat Score
Population
314
Area
695
sq miles
Primary Hazard
Hurricane / Nuclear Proximity
FEMA Disasters
7
federally declared

Rockingham County in southeastern New Hampshire along the Atlantic coast hosts Seabrook Nuclear Power Plant placing the county directly in the 10-mile Emergency Planning Zone of one of the most controversial nuclear plants ever built. The county faces serious hurricane and nor'easter risk with direct ocean exposure. Hampton Beach draws enormous summer crowds creating seasonal population surge. The county is the most densely populated in New Hampshire.

// 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 7 / 10    High Risk
Primary Hazard Hurricane / Nuclear Proximity
Secondary Hazard Nor'easter
FEMA Flood Zone High
Federally Declared Disasters 7
Last Major Event 2017 Nor'easter
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (603) 679-2225
Emergency Shelters 12 designated facilities
Evacuation Routes I-95 NH-101 US-1 NH-107

// County Profile

County Rockingham County NH
State New Hampshire (NH)
Population 314
Area 695 sq miles
FEMA Region High

// Major Cities

Hampton NH Seabrook NH Newmarket NH Plaistow NH Exeter NH Salem NH Derry NH Portsmouth NH

// Cities in This County

// Other New Hampshire Counties

// Nearby Infrastructure Risks

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

Seabrook Nuclear Station NH
Nuclear Power Plant  ·  Seabrook, NH  ·  NextEra Energy  ·  10-mi risk zone
8/10 High
Portsmouth Naval Shipyard Superfund NH
Superfund Site  ·  Portsmouth, NH  ·  US Navy / EPA  ·  5-mi risk zone
7/10 High
Seabrook Nuclear Plant NH
Power Plant  ·  Seabrook, NH  ·  NextEra Energy  ·  10-mi risk zone
7/10 High

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