Acton, MA natural hazards
Most of the natural-hazard damage FEMA expects in Acton comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 35 claims here since 1978. 12 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Acton?
FEMA expects yearly storm and flood damage to homes and buildings in Acton to be higher than in 19% of U.S. communities, mostly from inland flooding.
What Acton faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Inland flooding
Hurricanes
Earthquakes
Lower here
Not a risk here
Does Acton flood?
Every paid claim on a federal flood insurance policy in Acton, from FEMA’s records.
Biggest named events
- March 2010 Nor'easter: 10 claims, $157K
- Not a named storm: 4 claims, $5K
- Hurricane Bob: 1 claim, $346
Homes that flooded again and again
■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times
are insured
are insured
12 federal disasters brought FEMA money here
Disasters the President declared that paid out in Acton itself: aid to households, or repair grants to the Town of Acton.
Severe Winter Storm and Snowstorm
Severe Winter Storm, Snowstorm, and Flooding
Severe Storm and Snowstorm
Hurricane Irene
Severe Winter Storm and Snowstorm
Severe Storms and Flooding
Severe Winter Storm and Flooding
Severe Storms and Flooding
Record And/Or Near Record Snow
Flooding
Snow
Snow
Acton and the towns around it
How to read this page
FEMA’s expected losses across Acton total about $5.0M a year, counting buildings, people and crops.
Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.