FEMA flood zones · Georgia

Effingham County, Georgia Flood Zone Map

77 flood insurance claims·$1.1M paid·3 federal flood & hurricane disasters

26% of Effingham 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 Effingham County, Georgia. 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 Effingham County floods

Effingham County faces flood risks driven primarily by tropical systems and heavy summer rainfall, with NOAA records showing 8 tropical storm, 6 flash flood, and 5 flood events over the last 30 years. Recent impacts include flash flooding from slow-moving cold fronts in August 2025, as well as significant severe weather brought inland by Tropical Storm Debby in August 2024 and Hurricane Helene in September 2024.

National Flood Insurance Program records highlight distinct vulnerability patterns across different zones. Properties in Zone A account for 46 claims with an average payout of $24,043 and an average recorded water depth of 13 inches. Meanwhile, properties in Zone X account for 31 claims with an average payout of $13,678 and a higher average recorded water depth of 22 inches.

Homeowners, real estate agents, and journalists should pay the closest attention to properties located in both designated high-risk Special Flood Hazard Areas (Zone A) and moderate-to-low risk areas (Zone X), as both zones have experienced measurable flood claims and significant water depths during severe weather events.

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

Where the flood claims came from

Less than 1% of Effingham County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

46 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 17 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 2024, with 32 claims and $802,146 paid, the year of Hurricane Debby and Hurricane Helene.

1990: 1 claims1993: 1 claims1994: 3 claims1995: 6 claims1996: 1 claims1998: 5 claims1999: 2 claims2001: 1 claims2002: 1 claims2003: 1 claims2005: 2 claims2009: 1 claims2012: 1 claims2014: 2 claims2016: 5 claims2017: 1 claims2019: 5 claims2020: 6 claims2024: 32 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

9 NOAA storm reports from Effingham County describe what happened, in the words of the forecasters who covered it. Read the Georgia flood stories →

Federal disasters

17 federal disaster declarations since 1977, 3 of them floods, coastal storms or hurricanes.

DisasterBegan
Hurricane HeleneSep 24, 2024
Hurricane DebbyAug 4, 2024
Tropical Storm DebbyAug 4, 2024
Hurricane DorianAug 29, 2019
Hurricane MichaelOct 9, 2018
Hurricane IrmaSep 7, 2017
Hurricane MatthewOct 4, 2016
Hurricane Katrina EvacuationAug 27, 2005

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

Recorded flood events

22 since 1996: 6 flash floods and 5 river or area floods.

EventDateDamage
Flash FloodAug 22, 2025—
Tropical StormSep 26, 2024—
FloodAug 8, 2024—
Flash FloodAug 6, 2024$100,000
Tropical StormAug 6, 2024—
Tropical StormAug 30, 2023—
Tropical DepressionJul 7, 2021—
Tropical DepressionSep 4, 2019—

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

From the storm reports

Flash Flood · Aug 22, 2025. A slow moving cold front encountering an environment displaying deep moisture and moderate instability supported thunderstorms capable of heavy rainfall across Southeast Georgia.

Tropical Storm · Sep 26, 2024. Helene first developed into a tropical storm in the northwest Caribbean Sea in the late morning of September 24, and strengthened into a hurricane near the Yucatan peninsula about 24 hours later. Helene continued to strengthen and became a major hurricane as it moved to the north-northeast across the eastern Gulf of Mexico. Helene made landfall in the Big Bend region of Florida in the late evening hours of Septemb…

Flood · Aug 8, 2024. Debby first developed into a tropical storm about 100 miles west-southwest of Key West, Florida late afternoon on August 3rd, then gradually strengthened to a strong tropical storm while tracking north across the eastern Gulf of Mexico on August 4th. Debby then reached hurricane force strength late on August 4th about 100 miles west-northwest of Tampa, before continuing a north-northeast track across the eastern G…

Flash Flood · Aug 6, 2024. Debby first developed into a tropical storm about 100 miles west-southwest of Key West, Florida late afternoon on August 3rd, then gradually strengthened to a strong tropical storm while tracking north across the eastern Gulf of Mexico on August 4th. Debby then reached hurricane force strength late on August 4th about 100 miles west-northwest of Tampa, before continuing a north-northeast track across the eastern G…

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 Effingham County

If a building in Effingham 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.