Kennebec County

Maine — Natural Disaster Risk Assessment

Low

Composite Risk Score

75.2

National percentile: 75th

Kennebec County faces low composite natural disaster risk (NRI Risk Index score 75.2, 75th national percentile), driven primarily by winter weather and ice storm exposure. Expected annual loss across all 18 hazard types is $37M.

Source: FEMA National Risk Index v1.20 · Updated December 2025

Expected Annual Loss $37M Annualized county-level EAL
Social Vulnerability Low Population sensitivity
Community Resilience Very High Capacity to recover
Population 124K Latest estimate

Top Hazards

Winter Weather
Very High $1M/yr
Ice Storm
Very High $3M/yr
Hurricane
Medium $6M/yr

All 18 Hazard Risks

Winter Weather Very High 20.85 / yr $1M
Ice Storm Very High 1.27 / yr $3M
Hurricane Medium 0.11 / yr $6M
Lightning High 17.05 / yr $1M
Riverine Flood Medium 2.64 / yr $22M
Drought Medium 4.71 / yr $812K
Earthquake Low 0.00 / yr $1M
Landslide Low 0.59 / yr $8K
Hail Low 0.96 / yr $420K
Strong Wind Medium 0.60 / yr $801K
Coastal Flood Low 10.59 / yr $319K
Cold Wave Low 1.95 / yr $814K
Heat Wave Very Low 1.84 / yr $229K
Wildfire Very Low 0.00 / yr $19K
Tornado Very Low 0.06 / yr $421K
Avalanche Very Low 0.01 / yr $8
Tsunami Very Low 0.00 / yr $0
Volcanic Activity Very Low 0.00 / yr $0

Frequently Asked Questions

What is the overall natural disaster risk for Kennebec County?

Kennebec County has a composite FEMA National Risk Index score of 75.2 out of 100, placing it in the Low category and the 75th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Kennebec County?

The three highest-rated hazards are Winter Weather (Very High, $1M EAL), Ice Storm (Very High, $3M EAL), Hurricane (Medium, $6M EAL). These account for most of the county's expected annual losses.

How does Kennebec County compare to other Maine counties?

Kennebec County ranks #5 of 16 Maine counties for overall natural disaster risk, with a low rating.

What does Expected Annual Loss (EAL) mean?

EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Kennebec County's $37M EAL is a statistical average, not a guarantee for any specific year or address.