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Atchison County, Kansas Flood Zones

Check an Address in Atchison County

Enter any address in Atchison County, Kansas to see its FEMA flood zone

The Flooding Character of Atchison County

River overflow along the Missouri River is the dominant flood character for Atchison County. Between 1993 and 2023, NOAA Storm Events data recorded 44 flood events and 18 flash flood events in the county. For example, in March 2019, heavy snowmelt and rain caused significant flooding along the Missouri River, exacerbated by levy failures. Later, in June 2019, consistent heavy rains continued to contribute to Missouri River flooding, with some areas experiencing major flood conditions for several weeks.

National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced flood damage, with an average payout of $15,696 and an average water depth of 1.0 foot. Homeowners, journalists, and real estate agents should pay close attention to properties located near the Missouri River, as these areas are most susceptible to the river overflow events that characterize flooding in Atchison County.

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

Read First-Hand Flood Stories from Atchison County

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

Read Kansas flood stories →

Flood Risk Data for Atchison County

Atchison County, Kansas has recorded 62 flood-related events since 1996 according to NOAA's Storm Events Database, including 18 flash floods and 44 river or area floods. The county has received 19 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Atchison County Disaster History

FEMA Disaster Declarations (1967–2020)

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

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Atchison County

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Straight-line Winds, Tornadoes, Flooding,landslides,and MudslidesSevere StormApr 28, 2019
Severe Storms, Tornadoes, Straight-line Winds, And FloodingSevere StormMay 4, 2015
FloodingFloodJun 1, 2011
Severe Storms, Flooding, And TornadoesSevere StormJun 7, 2010
Severe Winter Storms And SnowstormSevere StormDec 22, 2009
Severe Winter StormsSevere StormDec 6, 2007
Severe Storms And FloodingSevere StormOct 1, 2005
Hurricane Katrina EvacuationHurricaneSep 1, 2005

Recorded Flood Events in Atchison County

NOAA Storm Events Database (1996–2025)

Total Flood Events
62
River/Area Floods
44
Flash Floods
18
Total Property Damage
$660,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Atchison County

TypeDateDamage
FloodApr 30, 20190.00K
Flash FloodMay 28, 20190.00K
FloodMar 13, 2019100.00K
FloodMay 1, 20190.00K
FloodJun 1, 20190.00K
FloodApr 1, 20190.00K
Flash FloodJun 30, 20180.00K
FloodJun 30, 20170.00K
Flash FloodAug 21, 20170.00K
FloodOct 9, 20140.00K

Atchison County Flood History

Flood — Apr 30, 2019

After a relatively wet month, another round of thunderstorms moved into the region, causing some flooding on area roads.

Flash Flood — May 28, 2019

In the evening of May 28 a strong tornado formed in Douglas County and grew to a wide EF-4 tornado. This is the same storm that caused the storm chasing group to fly off the road just south of Lawrence, Kansas. Once the tornado crossed into Leavenworth County it impacted mainly rural residences, but also impact the city of Linwood. It was here that isolated EF-3 and EF-4 damage was noted. The t...

Flood — Mar 13, 2019

Several months of heavy snow across the Northern Plains set the stage for a significant and catastrophic flooding event when temperatures warmed and heavy rain fell across Nebraska and the Dakotas. While the more significant damage occurred across eastern Nebraska several counties along the Missouri River in parts of northeast Kansas saw some high impacts as well. Numerous locations along the M...

Flood — May 1, 2019

Heavy late winter and spring precipitation, mixed with a loaded snow pack caused the Missouri River to flood in March. Consistent heavy rains continued the Missouri River flooding into and through May. Some locations along the Missouri River were in major flood for several weeks as heavy rains continued.

Flood — Jun 1, 2019

Heavy late winter and spring precipitation, mixed with a loaded snow pack caused the Missouri River to flood in March. Consistent heavy rains continued the Missouri River flooding into and through June. Some locations along the Missouri River were in major flood for several weeks as heavy rains continued. While the flooding continued through June, there was some gradual and steady improvement a...

Source: NOAA National Weather Service Storm Events Database.

Atchison County NFIP Flood Insurance Claims

Total Claims Filed
2
Total Paid Out
$31,391
Avg Claim
$15,695
Avg Water Depth
2.0 ft

Claims by Flood Zone

A Zones (High Risk)
2

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

Flood Zone Types in Atchison County

FEMA assigns flood zone designations to areas in Atchison County, Kansas:

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 Atchison County

Properties in Atchison County, Kansas 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.