Low Risk New Hampshire  ·  Winter Storm / Flash Flooding

Grafton County NH

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

4/ 10
Threat Score
Population
89
Area
1,714
sq miles
Primary Hazard
Winter Storm / Flash Flooding
FEMA Disasters
5
federally declared

Grafton County NH in New Hampshire faces winter storm / flash flooding risk across its 1,714 square mile area. Plymouth near Dartmouth serves this west-central New Hampshire county in the White Mountains. Grafton 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 4 / 10    Low Risk
Primary Hazard Winter Storm / Flash Flooding
Secondary Hazard Wildfire
FEMA Flood Zone Low
Federally Declared Disasters 5
Last Major Event 2018 Flash Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (603) 787-6941
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Grafton County NH
State New Hampshire (NH)
Population 89
Area 1,714 sq miles
FEMA Region Low

// Major Cities

Lebanon 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.

🏥
Dartmouth-Hitchcock Medical Center NH
Major Hospital  ·  Lebanon, NH  ·  Dartmouth 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.