riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Penobscot County Disaster Risk

Penobscot County, Maine

FEMA Risk Rating

Relatively Low

NRI score (0–100 relative scale)

78.0

FEMA composite county value

State Rank

#3

of 16, sorted high to low by RiskByCounty

Flood NRI score

83.0

higher coastal/inland value

Hazard Risk Breakdown

Five selected hazard categories out of FEMA's 18. Values are FEMA NRI v1.20 scores on a 0–100 relative scale.

Hurricane

86.7 / 100

Flood

83.0 / 100

Higher of FEMA Coastal Flooding (41.0) and Inland Flooding (83.0) NRI scores.

Earthquake

79.1 / 100

Tornado

32.3 / 100

Wildfire

29.3 / 100

FEMA NRI data summary

Selected hazard scores for Penobscot County

Among the five hazard categories displayed by RiskByCounty, hurricane has the highest NRI score for this county.

Hurricane
86.7
Flood
83.0
Earthquake
79.1
Tornado
32.3
Wildfire
29.3

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
83.0
Coastal Flooding
41.0
Inland Flooding
83.0

These five categories are a selected subset of FEMA's 18 natural hazards. FEMA's composite score and official rating are separate fields in the National Risk Index dataset.

FEMA National Risk Index documentation

Official Ready.gov resource

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Frequently Asked Questions

How many Maine county records are included?
RiskByCounty includes 16 Maine county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Maine?
FEMA NRI v1.20 (December 2025) county rating counts for Maine: Very Low: 4; Relatively Low: 11; Relatively Moderate: 1; Relatively High: 0; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Maine?
FEMA NRI v1.20 (December 2025) availability among 16 county records: Flood: 16 of 16; Wildfire: 16 of 16; Tornado: 16 of 16; Earthquake: 16 of 16; Hurricane: 16 of 16. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Penobscot County, ME?
Penobscot County has an official FEMA NRI v1.20 composite rating of Relatively Low and an NRI score (0–100 relative scale) of 78.0. RiskByCounty ranks it 3rd of 16 Maine county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Penobscot County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Penobscot County, Hurricane: 86.7; Flood: 83.0; Earthquake: 79.1; Tornado: 32.3; Wildfire: 29.3.
How is flood displayed for Penobscot County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Penobscot County, Coastal Flooding is 41.0, Inland Flooding is 83.0, and the displayed flood score is 83.0.

Counties with Similar Risk

Cumberland County

Maine

-1.0

Relatively Low

NRI score 77.0

Aroostook County

Maine

+2.4

Relatively Low

NRI score 80.4

Kennebec County

Maine

-2.8

Relatively Low

NRI score 75.2

Published by RiskByCounty

County summaries are deterministic transformations of frozen FEMA county fields. No external subject-matter reviewer is credited.

Published · Updated

Data Source

County data sourced from FEMA National Risk Index v1.20, released December 2025. Values are labeled NRI score (0–100 relative scale). RiskByCounty displays five selected hazard categories out of FEMA's 18; flood is the higher of the Coastal Flooding and Inland Flooding source scores.

RiskByCounty presents county-level source fields and deterministic arithmetic summaries.

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