Enter any address in Gallia County, Ohio to see its FEMA flood zone
Flash flooding from heavy rainfall is the primary flood hazard in Gallia County. Recent events include flash flooding in February 2025, following periods of substantial rain from approaching warm fronts. Another flood event in February 2025 was attributed to a low-pressure system crossing the Ohio Valley, bringing widespread rain.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A, which are areas of high flood risk, have experienced an average water depth of 8.5 feet and received average payouts of $10,322. Properties in Zone X, areas of moderate flood risk, have seen the highest average payouts at $13,317, with an average water depth of 1.4 feet. Homeowners in Zone A and those in Zone X who have experienced significant payouts should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
78 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Gallia County, Ohio has recorded 108 flood-related events since 1996 according to NOAA's Storm Events Database, including 42 flash floods and 66 river or area floods. The county has received 17 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1968–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, And Landslides | Flood | Feb 5, 2019 |
| Severe Storms, Landslides, And Mudslides | Flood | Feb 14, 2018 |
| Severe Storms | Severe Storm | Jun 29, 2012 |
| Severe Storms And Straight-line Winds | Severe Storm | Jun 29, 2012 |
| Severe Storms And Flooding | Severe Storm | Apr 4, 2011 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Storms And Flooding | Severe Storm | Aug 27, 2004 |
| Severe Winter Storm And Record/near Record Snow | Severe Storm | Feb 14, 2003 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | May 30, 2025 | 0.00K |
| Flash Flood | Jun 28, 2025 | 0.00K |
| Flash Flood | Feb 16, 2025 | 0.00K |
| Flood | Apr 7, 2025 | 0.00K |
| Flood | Feb 6, 2025 | 0.00K |
| Flood | Apr 4, 2025 | 0.00K |
| Flood | Apr 3, 2025 | 0.00K |
| Flood | Jan 28, 2024 | 0.00K |
| Flood | Feb 28, 2024 | 0.00K |
| Flood | Jan 25, 2024 | 0.00K |
Flood — May 30, 2025
A warm front lifted into the area on the night of May 29th and remained present overhead until being ushered east by a low the evening of the 30th. Behind this system, a cold front approached from the north and slowly descended southward through the Ohio Valley on the 31st.||Rounds of rain moved across the area on the 30th, with some additional showers lingering overnight. Around an inch of rai...
Flash Flood — Jun 28, 2025
On June 28th, a cold front rippled across Ohio and Pennsylvania and then sank into northern West Virginia while high pressure sprawled across the southeastern United States. A low pressure system pushed the front back to the north before pivoting east out of the Great Lakes region and dragging yet another front towards the middle Ohio Valley late in the month. In the midst of this oscillating w...
Flash Flood — Feb 16, 2025
Light precipitation started to arrive the evening of the 14th, then more substantial rain spread across the area overnight into the 15th as a warm front approached from the south. While precipitation coverage eroded from southeast Ohio and northwest West Virginia during the afternoon, moderate to heavy rain continued to trail across northeast Kentucky, southern West Virginia, and southwest Vir...
Flood — Apr 7, 2025
A line of showers and thunderstorms followed a warm front across the Middle Ohio Valley and Central Appalachians during the morning of April 3rd. A cold front brought more precipitation into the area the night of the 3rd and then stalled over West Virginia through the morning of the 4th. Showers continued in the vicinity of the boundary, which slid to the south the afternoon of the 4th before b...
Flood — Feb 6, 2025
On the evening of February 5th, precipitation entered southeast Ohio as a low pressure system crossed through the Ohio Valley. Widespread rain continued into the morning of the 6th, then tapered off in the wake of a cold front that pressed through during the early afternoon. One to two inches of rain fell in portions of southeast Ohio, while locations north of US 50 generally received less than...
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 Gallia County, Ohio:
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 Gallia County, Ohio 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.