Enter any address in Clark County, Ohio to see its FEMA flood zone
Flash flooding from heavy rainfall events characterizes flood risk in Clark County, OH. Over the past 30 years, NOAA Storm Events data recorded 54 flood events and 32 flash flood events, with one recorded fatality. Recent events include widespread flooding on February 18, 2022, caused by 1.5 to 2.5 inches of rain, and flooding on March 3, 2023, associated with showers and thunderstorms ahead of a low-pressure system.
NFIP claims data indicates that properties in Zone A and Zone X experience significant flood damage. Zone A properties have seen an average payout of $14,164 with an average water depth of 1.8 feet. Zone X properties, while experiencing a lower average water depth of 1.3 feet, have a substantially higher average payout of $71,707, suggesting potential for severe damage even with less visible inundation. Homeowners in flood-prone areas, particularly those near rivers or in identified Zone A or Zone X flood zones, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
4 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Clark County, Ohio has recorded 86 flood-related events since 1996 according to NOAA's Storm Events Database, including 32 flash floods and 54 river or area floods. The county has received 11 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1974–2020)
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 Storms And Straight-line Winds | 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 |
| Severe Winter Storms, Flooding, And Mudslides | Severe Storm | Dec 22, 2004 |
| Snow | Snowstorm | Dec 22, 2004 |
| Severe Storms And Flooding | Severe Storm | Aug 27, 2004 |
| Blizzards & Snowstorms | Snowstorm | Jan 26, 1978 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Apr 4, 2025 | 0.00K |
| Flood | Mar 25, 2023 | 0.00K |
| Flood | Mar 3, 2023 | 0.00K |
| Flood | Feb 18, 2022 | 0.00K |
| Flood | Mar 7, 2022 | 0.00K |
| Flood | Aug 12, 2021 | 0.00K |
| Flood | Mar 20, 2020 | 0.00K |
| Flash Flood | Mar 20, 2020 | 20.00K |
| Flash Flood | Mar 20, 2020 | 0.00K |
| Flash Flood | Mar 20, 2020 | 5.00K |
Flood — Apr 4, 2025
Widespread showers and thunderstorms occurred across the region as waves of low pressure moved east along a frontal boundary that was stalled out along the Ohio River.
Flood — Mar 25, 2023
A strong low pressure system moving through the Great Lakes region produced heavy rainfall and locally damaging thunderstorm winds.
Flood — Mar 3, 2023
Showers and scattered thunderstorms developed during the afternoon hours ahead of a strong low pressure system moving through the Ohio Valley.
Flood — Feb 18, 2022
Rain overspread the region through the day ahead of a low pressure system moving through the Ohio Valley. Rainfall amounts of 1.5 to 2.5 inches produced widespread flooding.
Flood — Mar 7, 2022
Showers and thunderstorms ahead of an approaching cold front produced localized strong winds and flooding.
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 Clark 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 Clark 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.