FEMA flood zones · Georgia

Walker County, Georgia Flood Zone Map

135 flood insurance claims·$3.6M paid·2 federal flood & hurricane disasters

4% of Walker 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 Walker 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 Walker County floods

Flash flooding and tropical storms drive the primary flood hazards in Walker County, supported by 15 flash flood events and 14 tropical storm events recorded over the last 30 years alongside standard floods and hurricanes.

Recent weather events illustrate these risks. In March 2021, persistent thunderstorms dropped 2.5 to 8 inches of rain across north Georgia, causing numerous flooding reports. Later, Tropical Storm Zeta swept across the region in October 2020, producing widespread wind damage and isolated flooding. Hurricane Helene also brought widespread impacts in September 2024.

National Flood Insurance Program records indicate that property owners in both designated high-risk and moderate-to-low-risk areas experience property damage. Zone A properties recorded 84 claims with an average water depth of 6 inches and an average payout of $35,990. Meanwhile, Zone X properties logged 24 claims averaging an 8-inch water depth with an average payout of $47,453, while unshaded Zone X properties recorded 18 claims with an average water depth of 2 inches. Homeowners in mapped high-risk zones, as well as those in shaded and unshaded Zone X areas where claims frequently occur, should pay close attention to local flood risks.

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

Where the flood claims came from

24% of Walker County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

110 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 2009, with 62 claims and $1.8M paid, the year of Severe Storms and Flooding.

1979: 1 claims1980: 1 claims1987: 1 claims1988: 1 claims1989: 8 claims1990: 4 claims1993: 1 claims1994: 2 claims1995: 17 claims1998: 1 claims2000: 2 claims2003: 8 claims2004: 10 claims2007: 1 claims2008: 1 claims2009: 62 claims2010: 1 claims2011: 1 claims2012: 1 claims2013: 2 claims2015: 1 claims2018: 1 claims2020: 6 claims2026: 1 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

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

Federal disasters

19 federal disaster declarations since 1973, 2 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Winter StormJan 22, 2026
Hurricane HeleneSep 24, 2024
Hurricane IrmaSep 7, 2017
Severe Winter StormFeb 10, 2014
Severe Storms, Tornadoes, Straight-line Winds, And Associated FloodingApr 27, 2011
Severe Storms And FloodingSep 18, 2009
Hurricane Katrina EvacuationAug 27, 2005
Severe Winter StormJan 22, 2000

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

Recorded flood events

37 since 1996: 15 flash floods and 5 river or area floods.

EventDateDamage
Tropical StormSep 27, 2024—
Flash FloodMar 25, 2021—
Tropical StormOct 28, 2020—
Flash FloodApr 12, 2020$25,000
Flash FloodJul 20, 2019—
Flash FloodJun 28, 2018—
Tropical StormSep 11, 2017$25,000
Flash FloodJun 5, 2017$3,000

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

From the storm reports

Tropical Storm · Sep 27, 2024. Hurricane Helene made landfall as a Category 4 hurricane in the Big Bend region of Florida at 11 PM EDT. Helene moved quickly inland bringing wind gusts between 50 and 100 mph to portions of east and central Georgia. Widespread rainfall totals between 6 and 14 inches were observed in association with Helene across north and central Georgia. The highest rainfall amounts were primarily observed in portions of east-c…

Flash Flood · Mar 25, 2021. A very moist and moderately unstable airmass over the region combined with strong shear and persistent southwesterly mid and upper flow produced numerous showers and thunderstorms across north and parts of central Georgia through the day on the 25th into the morning of the 26th. Numerous reports of flooding were received with several reports of severe thunderstorms and a few isolated tornadoes. Rainfall amounts of…

Tropical Storm · Oct 28, 2020. During the late evening of October 28th through the morning of October 29th, Tropical Storm Zeta swept rapidly across north Georgia producing widespread wind damage and isolated flooding across north and portions of central Georgia. Around 1.5 million customers lost electricity for some period of time, some for several days.

Flash Flood · Apr 12, 2020. A powerful Spring storm system resulted in a Severe Weather / Tornado outbreak across much of the Southeast region, including north and central Georgia, beginning on Easter Sunday (April 12th) and lingering into the morning hours of April 13th. From the Storm Prediction Center (Day 1) convective outlook, just about the entire area was under an ENHANCED risk for severe weather with a MODERATE risk extending from th…

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 Walker County

If a building in Walker 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.