Enter any address in Columbia County, Georgia to see its FEMA flood zone
Flash flooding from slow-moving thunderstorms is the dominant flood character in Columbia County, GA. Over the past 30 years, NOAA Storm Events data shows 39 flash flood events, compared to 4 general flood events and 3 tropical storm events. For example, slow-moving thunderstorms produced flash flooding north of Augusta on May 29, 2025.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the most claims, with an average payout of $14,417 and an average water depth of 7.4 feet. Properties in Zone X also show a significant number of claims, with an average payout of $14,267 and an average water depth of 6.7 feet. While fewer claims have been filed in Zone X_UNSHADED and Zone X_SHADED, these areas have still experienced flooding.
Homeowners in areas designated as Zone A, Zone X, and Zone X_SHADED should pay particular attention to flood risk. Properties located near waterways or in areas prone to flash flooding from heavy rainfall are also at higher risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
9 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Columbia County, Georgia has recorded 46 flood-related events since 1996 according to NOAA's Storm Events Database, including 39 flash floods and 4 river or area floods. The county has received 14 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 22, 2026 |
| Hurricane Helene | Tropical Storm | Sep 24, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Michael | Hurricane | Oct 9, 2018 |
| Hurricane Irma | Hurricane | Sep 7, 2017 |
| Severe Winter Storm | Severe Ice Storm | Feb 10, 2014 |
| Hurricane Katrina Evacuation | Hurricane | Aug 27, 2005 |
| Severe Storms And Flooding | Severe Storm | Feb 14, 1998 |
| Severe Storms & Flooding | Flood | Oct 11, 1990 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | May 29, 2025 | 0.00K |
| Tropical Storm | Sep 27, 2024 | 225.00M (1 deaths) |
| Flash Flood | Sep 26, 2024 | 0.00K |
| Flash Flood | Jul 6, 2024 | 0.00K |
| Tropical Storm | Aug 30, 2023 | — |
| Flash Flood | Jun 20, 2023 | 0.00K |
| Flash Flood | Sep 17, 2020 | 5.00K |
| Flash Flood | Sep 17, 2020 | 1.00K |
| Flood | Dec 13, 2019 | 0.10K |
| Tropical Storm | Oct 10, 2018 | — |
Flash Flood — May 29, 2025
Slow moving thunderstorms developed across eastern GA and pushed into central SC during the afternoon and evening hours of May 29th. These produced flash flooding north of Augusta and thunderstorm wind damage in the Midlands of SC.
Tropical Storm — Sep 27, 2024
Tropical Storm Helene formed in the NW Caribbean Sea on September 24. Helene moved northward into the Gulf of Mexico where it strengthened into a hurricane on September 25. Helene made landfall as a major hurricane in the Big Bend area of Florida the night of September 26 before quickly moving inland into east central Georgia by early morning on September 27. Helene weakened to a strong tropica...
Flash Flood — Sep 26, 2024
Tropical Storm Helene formed in the NW Caribbean Sea on September 24. Helene moved northward into the Gulf of Mexico where it strengthened into a hurricane on September 25. During the day on September 26, Helene remained off the coast of Florida and an upper low over the southeast US led to strong moisture transport and strong forcing over the area. Heavy rain rates and training bands led to fl...
Flash Flood — Jul 6, 2024
A weak front acted as a trigger for multiple slow-moving thunderstorms with heavy rain that caused flash flooding in portions of east central GA.
Tropical Storm — Aug 30, 2023
Lifting up out of the Big Bend of Florida, Hurricane Idalia weakened to a Tropical Storm as it moved into southeastern Georgia. This system produced scattered tree damage and isolated flooding in the Central Savannah River Area.
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 Columbia County, Georgia:
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 Columbia County, Georgia 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.