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Foster County, North Dakota Flood Zones

Check an Address in Foster County

Enter any address in Foster County, North Dakota to see its FEMA flood zone

Read First-Hand Flood Stories from Foster County

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

Read North Dakota flood stories →

Flood Risk Data for Foster County

Foster County, North Dakota has recorded 7 flood-related events since 1996 according to NOAA's Storm Events Database, including 4 flash floods and 3 river or area floods. The county has received 23 federal disaster declarations, 13 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Foster County Disaster History

FEMA Disaster Declarations (1969–2025)

Disaster Declarations
23
Flood/Coastal Disasters
13
Latest Disaster
Severe Storm, Tornadoes, And Straight-line Winds (2025-06-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Foster County

DeclarationTypeDate
Severe Storm, Tornadoes, And Straight-line WindsSevere StormJun 20, 2025
Severe Winter Storm And FloodingSevere StormApr 22, 2022
FloodingFloodApr 1, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
FloodingFloodOct 9, 2019
FloodingFloodApr 22, 2013
FloodingFloodFeb 14, 2011
FloodingFloodFeb 26, 2010
Severe Storms And FloodingSevere StormMar 13, 2009

Recorded Flood Events in Foster County

NOAA Storm Events Database (1996–2025)

Total Flood Events
7
River/Area Floods
3
Flash Floods
4
Total Property Damage
$1.7M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Foster County

TypeDateDamage
FloodApr 16, 202310.00K
Flash FloodJun 20, 201150.00K
Flash FloodJul 15, 201170.00K
Flash FloodAug 6, 20111.00M
FloodMar 6, 200950.00K
FloodApr 1, 2009555.00K
Flash FloodMay 8, 2005

Foster County Flood History

Flood — Apr 16, 2023

The spring snow melt of 2023 saw many areas of flooding over North Dakota due to a record deep snow pack and relatively fast melt. Multiple counties experienced infrastructure damage due to the flooding. In addition, during the morning hours of April 16, a flood death (direct) occurred as a 54 year old female was driving a 2004 Ford Escape along ND Highway 66 near the intersection of 47th Avenu...

Flash Flood — Jun 20, 2011

Continued redevelopment of thunderstorms over north central Stutsman County and central Foster County resulted in flash flooding. A measured heavy rain report of 4.22 inches was received from south central Foster County.

Flash Flood — Jul 15, 2011

Severe Thunderstorm Watch number 645 was issued during the mid evening of the 14th for much of west and portions of central North Dakota in anticipation of stronger storms over eastern Montana advecting east into North Dakota through the early morning hours of the 15th. Earlier, Tornado Watch number 644 was in effect, although storms failed to develop. Several severe thunderstorm warnings were ...

Flash Flood — Aug 6, 2011

Thunderstorms with very heavy rain resulted in flash flood conditions over portions of Foster County in east central North Dakota. The flooding damaged rail tracks over the James River, causing a train derailment. No injuries were reported with this accident.

Flood — Mar 6, 2009

This devastating flooding continued into April, and in some cases worsened.||Western and central North Dakota experienced a snowy winter of 2008-2009. Bismarck, for example, had the snowiest December on record, which was also the snowiest month ever on record, with 33.3 inches of snow in December 2008. March 2009 was the fifth snowiest month on record with 29.7 inches. For the entire season Bis...

Source: NOAA National Weather Service Storm Events Database.

Foster County NFIP Flood Insurance Claims

Total Claims Filed
9
Total Paid Out
$65,989
Avg Claim
$8,248
Avg Water Depth
2.2 ft

Claims by Flood Zone

A Zones (High Risk)
1
X Unshaded (Low)
2

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

Flood Zone Types in Foster County

FEMA assigns flood zone designations to areas in Foster County, North Dakota:

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 Foster County

Properties in Foster County, North Dakota 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.