FEMA flood zones · Maine

Androscoggin County, Maine Flood Zone Map

147 flood insurance claims·$1.1M paid·8 federal flood & hurricane disasters

12% of Androscoggin County’s area is in FEMA’s high-risk flood zones.

Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.

Coastal high risk (V, VE)FloodwayHigh risk (A, AE)Moderate (X, 500-year)Minimal (X)Undetermined (D)

Shaded areas are FEMA’s mapped flood hazard zones in and around Androscoggin County, Maine. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.

How Androscoggin County floods

Standard river flooding and flash flooding dominate the flood profile of Androscoggin County, supported by NOAA storm event records from the last 30 years documenting 52 flood events, 27 flash flood events, and 2 tropical storms.

Severe weather impacts are exemplified by conditions such as the March 2024 multifaceted storm, which produced heavy rain, snowmelt, excessive runoff, minor river flooding, and nuisance overland standing water.

Property owners in mapped high-risk areas should pay the closest attention to flood risk, particularly those in Zone A, which accounts for the highest claim volume with 80 recorded claims averaging $13,540 in payouts and an average recorded water depth of 4 inches. Residents in zones with unclassified or moderate-to-low risk designations—including Zone UNKNOWN, Zone X_SHADED, Zone X, and Zone X_UNSHADED—also report historical claims ranging from 6 to 27 claims per category, with average water depths between 3 and 10 inches.

Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.

Where the flood claims came from

23% of Androscoggin County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

104 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.

How deep the water got

outlet80″ door12″24″36″48″60″72″84″

In flood insurance claims here that reported a flood depth, the average was 5 inches.

Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.

Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.

Flood claims, year by year

The worst year was 1987, with 66 claims and $602,336 paid, the year of Severe Storms & Flooding.

1978: 2 claims1979: 4 claims1980: 3 claims1984: 5 claims1985: 1 claims1986: 1 claims1987: 66 claims1989: 7 claims1991: 5 claims1992: 1 claims1994: 1 claims1995: 1 claims1998: 2 claims2000: 2 claims2005: 6 claims2006: 1 claims2007: 4 claims2008: 4 claims2009: 2 claims2012: 4 claims2013: 1 claims2014: 1 claims2017: 1 claims2019: 2 claims2022: 2 claims2023: 16 claims2024: 2 claims19801990200020102020

Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.

In their words

46 NOAA storm reports from Androscoggin County describe what happened, in the words of the forecasters who covered it. Read the Maine flood stories →

Federal disasters

31 federal disaster declarations since 1970, 8 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Storm And FloodingDec 17, 2023
Hurricane LeeSep 15, 2023
Severe Winter Storm, Snowstorm, And FloodingJan 26, 2015
Severe Winter Storm, Snowstorm, And FloodingFeb 8, 2013
Severe Winter Storm And FloodingDec 11, 2008
Severe Storms, Flooding, And TornadoesJul 18, 2008
Severe Storms And Inland And Coastal FloodingApr 15, 2007
Hurricane Katrina EvacuationAug 29, 2005

Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.

Recorded flood events

81 since 1996: 27 flash floods and 52 river or area floods.

EventDateDamage
FloodMar 10, 2024—
Flash FloodJul 29, 2023—
Flash FloodJul 25, 2023—
FloodDec 19, 2023—
FloodDec 19, 2023$560,000
FloodDec 18, 2023—
Flash FloodAug 8, 2023—
FloodMay 1, 2023$300,000

— = no damage estimate in the record. Source: NOAA Storm Events Database.

From the storm reports

Flood · Mar 10, 2024. A multifaceted storm brought strong winds and heavy rain to the coast, and heavy snow to the mountains on March 10th. A period of heavy rain between daybreak and noon caused excessive runoff and flash flooding in parts of Cumberland County where rainfall totals exceeded 3 inches. Elsewhere, the rain and snowmelt combination resulted in minor river flooding and nuisance overland standing water. Gale force easterl…

Flash Flood · Jul 29, 2023. A stalled frontal boundary and surface low pressure began to slowly lift northward into the southeast New Hampshire through the Midcoast of Maine on the afternoon of the 29th. Showers and thunderstorms developed along the boundary and moved eastward. Since the system as a whole showed very little forward progression, multiple rounds of showers and thunderstorms ended up moving across the same locations multiple ti…

Flash Flood · Jul 25, 2023. Showers and thunderstorms developed along a slow moving sea breeze boundary across central Androscoggin County on the afternoon into early evening of the 25th. The storm produced rainfall rates between 2 and 3 inches an hour on top of already saturated soils. This ended up leading to multiple instances of flash flooding, specifically in the Cities of Auburn and Lewiston. In addition to the more significant flash…

Flood · Dec 19, 2023. Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th. Strong high pressure over the North Atlantic created a deep southeasterly flow that drew warm air into New England ahead of the approaching storm. By the time precipitation arrived on the evening of the 17th, temperatures were warm enough for rain everywhere except…

National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.

The zones you’ll see on the map

Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.

Cross-section of a river floodplainDiagram: a river valley. The floodway is the channel and the land beside it; the 1%-annual-chance flood surface (the base flood elevation) covers the valley floor as zone A or AE; a narrow band higher up is shaded X, the 0.2% floodplain; higher ground is X.0.2% CHANCE A YEAR (500-YEAR)BASE FLOOD ELEVATION · 1% A YEARXAEFloodwayAEX
  1. A / AE Inside the 1%-a-year floodplain: about a 26% chance of flooding over a 30-year mortgage. AE has a mapped base flood elevation; plain A does not.
  2. Floodway The channel and the land beside it that has to be kept clear enough to carry the flood. Building here is tightly limited.
  3. X shaded The 0.2% (500-year) floodplain, plus some levee-protected and very shallow flood areas.
  4. X Outside both lines. No federal requirement to insure, which is not the same as no risk.

Every flood zone code explained →

Flood insurance in Androscoggin County

If a building in Androscoggin County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.

Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.