FloodZoneMap.org

Lake County, Ohio Flood Zones

Check an Address in Lake County

Enter any address in Lake County, Ohio to see its FEMA flood zone

The Flooding Character of Lake County

Flash flooding from thunderstorms is the dominant flood character in Lake County, OH. Over the past 30 years, NOAA Storm Events data shows 26 flash flood events, alongside 23 general flood events, one lakeshore flood, and one coastal flood. Recent examples include flash flooding on August 23, 2023, and June 18, 2024, both associated with warm, humid air masses and developing thunderstorms.

National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the most claims, with an average payout of $16,605 and an average water depth of 4.6 feet. Properties in Zone X also show significant claims, with higher average payouts and water depths compared to Zone X_UNSHADED and Zone X_SHADED. Properties in Zone UNKNOWN also have a notable number of claims.

Homeowners in areas designated as Zone A, as well as those in Zone X, should pay particular attention to flood risk. Properties located near bodies of water, including Lake Erie, and those without a Base Flood Elevation (BFE) should also be aware of potential flood hazards.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Lake County

28 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read Ohio flood stories →

Flood Risk Data for Lake County

Lake County, Ohio has recorded 51 flood-related events since 1996 according to NOAA's Storm Events Database, including 26 flash floods and 23 river or area floods. The county has received 15 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Lake County Disaster History

FEMA Disaster Declarations (1969–2020)

Disaster Declarations
15
Flood/Coastal Disasters
5
Latest Disaster
Covid-19 (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Lake County

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe StormsSevere StormJun 29, 2012
Record Snow And Near Record SnowSnowstormMar 7, 2008
Severe Storms, Straight Line Winds, And FloodingSevere StormJul 27, 2006
Hurricane Katrina EvacuationHurricaneAug 29, 2005
Severe Storms And FloodingSevere StormAug 27, 2004
Power OutageOtherAug 14, 2003
Severe Storms & FloodingFloodMay 23, 1989
Blizzards & SnowstormsSnowstormJan 26, 1978

Recorded Flood Events in Lake County

NOAA Storm Events Database (1996–2025)

Total Flood Events
51
River/Area Floods
23
Flash Floods
26
Coastal/Storm Surge
2
Total Property Damage
$351.0M
Flood Deaths
1

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Lake County

TypeDateDamage
Flash FloodJun 18, 20240.00K
Flash FloodJun 18, 202410.00K
Flash FloodAug 23, 20230.00K
Flash FloodAug 23, 2023100.00K
Flash FloodMar 29, 202020.00K
FloodOct 21, 20200.00K
FloodMay 15, 20200.00K
FloodJan 23, 201920.00K
Coastal FloodApr 14, 201975.00K
Lakeshore FloodJul 7, 20190.00K

Lake County Flood History

Flash Flood — Jun 18, 2024

Northern Ohio resided within the warm and humid sector along the northwestern flank of the Bermuda-Azores subtropical high during the late morning of the 17th through late evening of the 20th. In addition, a cold front drifted southeastward from the western Great Lakes to Lake Erie and northwest OH by the evening of the 20th.||Well-ahead of the the cold front, scattered multicell thunderstorms ...

Flash Flood — Aug 23, 2023

An anomalously-warm and moist air mass was in place across much of the Central Plains and Midwest, resulting in strong to perhaps extreme instability in addition to tropical-like precipitable water values exceeding 2.0 inches. The Lower Great Lakes region, specifically northern Ohio and Northwest Pennsylvania found itself on the eastern edge of this heat dome. Strong northwest flow aloft persis...

Flash Flood — Mar 29, 2020

A warm front over central Ohio on the morning of Saturday March 28, 2020 was the focus for several rounds of elevated thunderstorms through the early afternoon hours. The main area for these thunderstorms were the US 30 and I-76 corridors through the morning and early afternoon hours as storms remained parallel to the warm front and moved with the 850 mb jet. These storms well utilized the stee...

Flood — Oct 21, 2020

On the morning of October 21st a warm front stalled over northern Ohio. This feature brought repeating showers and thunderstorms to the City of Cleveland and surrounding areas. Following a recent wet period, the ground was near saturation and smaller community storm drainage systems were near capacity. Moderate rainfall measuring over an inch an hour. Several road closers and a few water rescue...

Flood — May 15, 2020

Showers with isolated thunderstorms developed along and ahead of a cold front across northern Ohio. These storms produced moderate to heavy rain concentrated along the frontal boundary stalled over lakeshore counties. The repeating storms brought rainfall of 1 to 3.5 inches, heaviest over Cuyahoga County. Water rescues were made in Lorain and Cuyahoga Counties mainly from overflowing creeks. Th...

Source: NOAA National Weather Service Storm Events Database.

Lake County NFIP Flood Insurance Claims

Total Claims Filed
712
Total Paid Out
$10.4M
Avg Claim
$18,798
Avg Water Depth
7.4 ft

Claims by Flood Zone

A Zones (High Risk)
449
X Shaded (500-yr)
42
X Unshaded (Low)
62

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Lake County

FEMA assigns flood zone designations to areas in Lake 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.

View all flood zone types →

Flood Insurance in Lake County

Properties in Lake 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.