Enter any address in Butler County, Ohio to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Butler County, OH. Over the past 30 years, the NOAA Storm Events Database recorded 55 flash flood events and 52 general flood events. Recent examples include flooding on April 2, 2024, caused by showers and thunderstorms, and on March 25, 2023, from heavy rainfall associated with a strong low-pressure system.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the most claims, with an average payout of $11,911 and an average water depth of 1.7 feet. Properties in Zone X_UNSHADED also saw significant claims, averaging $10,450 with a notable 2.0 feet of water depth. Homeowners in or near these zones, particularly those without a defined Base Flood Elevation (BFE), should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
7 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Butler County, Ohio has recorded 107 flood-related events since 1996 according to NOAA's Storm Events Database, including 55 flash floods and 52 river or area floods. The county has received 14 federal disaster declarations, 3 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 | Severe Storm | Jun 29, 2012 |
| Severe Wind Storm Associated With Tropical Depression Ike | Severe Storm | Sep 14, 2008 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Snow | Snowstorm | Dec 22, 2004 |
| Severe Storms And Flooding | Severe Storm | Aug 27, 2004 |
| Severe Storms And Flooding | Severe Storm | Jul 17, 2001 |
| Flooding | Flood | May 2, 1996 |
| Severe Storms, Tornadoes & Flooding | Severe Storm | May 28, 1990 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jun 14, 2025 | 2.00K |
| Flood | Jun 14, 2025 | 0.00K |
| Flash Flood | Jun 14, 2025 | 0.00K |
| Flood | May 26, 2024 | 0.00K |
| Flood | Apr 2, 2024 | 0.00K |
| Flood | Mar 25, 2023 | 0.00K |
| Flash Flood | May 20, 2022 | 50.00K |
| Flash Flood | May 20, 2022 | 10.00K |
| Flood | May 6, 2022 | 0.00K |
| Flood | Sep 5, 2022 | 0.00K |
Flood — Jun 14, 2025
Scattered thunderstorms produced locally heavy rainfall during the evening hours.
Flash Flood — Jun 14, 2025
Scattered thunderstorms produced locally heavy rainfall during the evening hours.
Flood — May 26, 2024
A line of thunderstorms lifted northeast across the Ohio Valley during the afternoon hours.
Flood — Apr 2, 2024
A low pressure system moving through the Ohio Valley produced widespread showers and thunderstorms during the afternoon and evening hours.
Flood — Mar 25, 2023
A strong low pressure system moving through the Great Lakes region produced heavy rainfall and locally damaging thunderstorm winds.
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 Butler 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 Butler 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.