FloodZoneMap.org

Gratiot County, Michigan Flood Zones

Check an Address in Gratiot County

Enter any address in Gratiot County, Michigan to see its FEMA flood zone

Read First-Hand Flood Stories from Gratiot County

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

Read Michigan flood stories →

Flood Risk Data for Gratiot County

Gratiot County, Michigan has recorded 12 flood-related events since 1996 according to NOAA's Storm Events Database, including 6 flash floods and 6 river or area floods. The county has received 11 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Gratiot County Disaster History

FEMA Disaster Declarations (1965–2020)

Disaster Declarations
11
Flood/Coastal Disasters
3
Latest Disaster
Covid-19 Pandemic (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Gratiot County

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Hurricane Katrina EvacuationHurricaneAug 29, 2005
SnowSnowstormDec 11, 2000
Severe StormsSevere StormMay 29, 1998
Severe Storms & FloodingFloodSep 10, 1986
Severe Storms And FloodingFloodSep 5, 1985
Blizzards & SnowstormsSnowstormJan 27, 1978
Severe Storms, Tornadoes, Icing & FloodingSevere StormMar 19, 1976
Severe Storms, High Winds & FloodingFloodSep 30, 1975

Recorded Flood Events in Gratiot County

NOAA Storm Events Database (1996–2025)

Total Flood Events
12
River/Area Floods
6
Flash Floods
6
Total Property Damage
$4.8M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Gratiot County

TypeDateDamage
FloodMay 18, 2020100.00K
FloodApr 17, 20133.00M
Flash FloodJul 28, 20110.00K
FloodMay 23, 20041M
FloodFeb 24, 200110K
Flash FloodMay 16, 200125K
Flash FloodMay 15, 200150K
FloodFeb 9, 200150K
Flash FloodMay 18, 2000100K
FloodFeb 21, 1997

Gratiot County Flood History

Flood — May 18, 2020

Significant rainfall fell across all of Lower Michigan on May 17 and 18 with many locations in Southwest Lower Michigan reporting over 3 inches of rain. This was the culmination of an already wet week that had experienced three separate episodes of heavy rain. As a result, soil was already saturated and this additional rain immediately became runoff instead of soaking into the ground. There we...

Flood — Apr 17, 2013

Record flooding occurred during the month of April and record crests occurred on the lower portions of the Grand River at Ionia, Lowell, Ada, Comstock Park, and Grand Rapids, Michigan. Due to the severity of the flooding, Michigan���s Governor Rick Snyder declared a state of disaster for 19 counties and two cities. ||The two cities declared in the disaster were Grand Rapids and Ionia. T...

Flash Flood — Jul 28, 2011

Several rounds of heavy rain and thunderstorms moved across southwest lower Michigan from July 27 to July 29, flooding roadways and intersections across areas near to mainly south of Interstate 96. The most significant impacts from flash flooding occurred in and near the Lansing area. Radar estimated that 6 to 10 inches of rain fell from July 27 to 29 near and southwest of Lansing.

Flood — May 23, 2004

The biggest and longest duration flooding event in the past ten to twenty years occurred across southwestern and south central lower Michigan from May 20th through the third of June. Flooding in mid May resulted in very high river levels and the ground was saturated on the 20th. Numerous thunderstorm complexes and areas of heavy rainfall developed repeatedly in the vicinity of a quasi station...

Flood — Feb 24, 2001

Minor flooding began during the evening hours of the 24th and continued through the rest of February. Minor street flooding occurred in Muskegon (Muskegon county) and Allegan (Allegan county) late on the 24th as a result of locally heavy rainfall. However, the event was primarily a river flood event, and an urban and small stream flood advisory was issued at 9:45 p.m. the 24th. Several area riv...

Source: NOAA National Weather Service Storm Events Database.

Gratiot County NFIP Flood Insurance Claims

Total Claims Filed
29
Total Paid Out
$139,647
Avg Claim
$6,982
Avg Water Depth
2.3 ft

Claims by Flood Zone

A Zones (High Risk)
26

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

Flood Zone Types in Gratiot County

FEMA assigns flood zone designations to areas in Gratiot County, Michigan:

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 Gratiot County

Properties in Gratiot County, Michigan 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.