Enter any address in Somerset County, Maine to see its FEMA flood zone
Flooding from heavy rainfall events is the primary flood concern in Somerset County, ME. Over the last 30 years, the NOAA Storm Events Database has recorded 123 flood events and 35 flash flood events. Recent examples include a flood event in April 2024, where widespread rainfall combined with snowmelt led to river flooding and isolated flash flooding. In July 2025, thunderstorms produced flash flooding across northern Maine.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone X and Zone A have experienced significant average payouts and water depths, suggesting a higher risk. Claims in Zone X, for instance, show an average payout of $20,948 with an average water depth of 5.5 feet. Homeowners in areas prone to river flooding, as well as those in zones with higher average water depths and payouts, should pay close attention to their flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
57 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Somerset County, Maine has recorded 161 flood-related events since 1996 according to NOAA's Storm Events Database, including 35 flash floods and 123 river or area floods. The county has received 172 federal disaster declarations, 7 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1970–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storm And Flooding | Severe Storm | Dec 17, 2023 |
| Hurricane Lee | Hurricane | Sep 15, 2023 |
| Severe Storm And Flooding | Flood | Apr 30, 2023 |
| Severe Storm And Flooding | Severe Storm | Dec 23, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storm And Flooding | Severe Storm | Oct 29, 2017 |
| Severe Storms, Flooding, And Landslides | Severe Storm | Jun 18, 2009 |
| Severe Storms And Flooding | Flood | Apr 28, 2008 |
| Severe Storms And Inland And Coastal Flooding | Severe Storm | Apr 15, 2007 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 17, 2025 | 0.00K |
| Flood | Apr 13, 2024 | 0.00K |
| Flash Flood | Jun 29, 2023 | 0.00K |
| Flood | Sep 19, 2023 | 0.00K |
| Flash Flood | Jul 18, 2023 | 0.00K |
| Flood | Dec 18, 2023 | 230.00K |
| Flood | Dec 18, 2023 | 5.00M |
| Flash Flood | Dec 18, 2023 | 350.00K |
| Flood | Dec 18, 2023 | 0.00K |
| Flood | Dec 18, 2023 | 10.00M |
Flash Flood — Jul 17, 2025
Low pressure tracking across southern Quebec Province lifted a warm front across northern Maine during the 17th...with a cold front then approaching late. A very unstable environment and favorable shear supported supercell thunderstorm development across northern Maine during the afternoon. Thunderstorms then persisted into the evening. Wind gusts up to 50 to 55 mph accompanied the stronger thu...
Flood — Apr 13, 2024
A cold front brought widespread soaking rainfall to the area. This rainfall combined with significant snowpack loss and saturated grounds to produce minor to moderate river flooding, with isolated flash flooding across the mountains. Repeated rounds of rain compressed, warmed, and ripened the area snowpack in advance of the heavier rain on Friday the 12th. The combination of rain, strong winds...
Flash Flood — Jun 29, 2023
During the afternoon of June 29th, showers and thunderstorms developed across the western Maine Mountains and foothills. While most of these storms moved from southwest to northeast, a few remained stalled over the same location for multiple hours leading to radar estimated rainfall of over 3.5���. With some very localized areas approaching estimated rainfall of up to 5���. Over ...
Flood — Sep 19, 2023
The region had a glancing blow from Hurricane Lee which passed into the Canadian Maritime on the 16th, bringing strong winds but limited rainfall to the local area. The more notable rainfall came a few days later when a low pressure system moved from Cape Cod into coastal Maine on the 18th into the 19th. This storm system brought a soaking rain of 1 to 3 inches to the region, with highest amoun...
Flash Flood — Jul 18, 2023
Scattered showers and thunderstorms with heavy rainfall developed of the Western Maine Mountains on the afternoon of the 18th. Moist air supported torrential rainfall rates between 2 to 3 inches an hour, all of which fell over saturated soils. Localized flash flooding resulted where storms trained over the same locations. A localized outflow wind gusts associated with one of the flash flood th...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Somerset County, Maine:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Somerset County, Maine that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.