FloodZoneMap.org

Emmons County, North Dakota Flood Zones

Check an Address in Emmons County

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

Read First-Hand Flood Stories from Emmons County

6 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 Emmons County

Emmons County, North Dakota has recorded 9 flood-related events since 1996 according to NOAA's Storm Events Database, including 6 flash floods and 3 river or area floods. The county has received 26 federal disaster declarations, 14 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Emmons County Disaster History

FEMA Disaster Declarations (1969–2025)

Disaster Declarations
26
Flood/Coastal Disasters
14
Latest Disaster
Severe Storm, Tornadoes, And Straight-line Winds (2025-06-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Emmons County

DeclarationTypeDate
Severe Storm, Tornadoes, And Straight-line WindsSevere StormJun 20, 2025
Severe Storm, Straight-line Winds, And FloodingSevere StormJun 7, 2021
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
FloodingFloodOct 9, 2019
FloodingFloodMar 21, 2019
FloodingFloodApr 5, 2011
FloodingFloodFeb 26, 2010
Severe Winter StormSevere StormJan 20, 2010
Severe Storms And FloodingSevere StormMar 13, 2009

Recorded Flood Events in Emmons County

NOAA Storm Events Database (1996–2025)

Total Flood Events
9
River/Area Floods
3
Flash Floods
6
Total Property Damage
$1.7M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Emmons County

TypeDateDamage
Flash FloodJun 8, 2021600.00K
Flash FloodJul 8, 201940.00K
Flash FloodJul 4, 201815.00K
Flash FloodJun 20, 201325.00K
FloodMar 6, 2009748.00K
FloodApr 1, 2009300.00K
Flash FloodAug 4, 200615K
Flash FloodJul 23, 2005
FloodMar 21, 1997

Emmons County Flood History

Flash Flood — Jun 8, 2021

An extended period consisting of two days of continuous severe weather occurred from June 7 through June 8. Thunderstorms initially developed along a warm front over the James River Valley into parts of south central North Dakota where strong instability and deep layer shear were noted. During the evening, a mix of wind and hail damage occurred. The largest hail reported during this period was ...

Flash Flood — Jul 8, 2019

A surface boundary stretching from southwest into north central North Dakota served as the primary focal point for thunderstorm development in an atmosphere of very high instability. Initially, large hail was the main threat, though a couple of tornadoes developed in an area of enhanced low level shear. Later, storms mainly developed along an old outflow boundary and were slow moving. This comb...

Flash Flood — Jul 4, 2018

A shortwave trough approached the area and interacted with a surface boundary which led to thunderstorm development during the late evening and overnight hours. Ample deep layer shear and enhanced instability were present. Storms initiated over western North Dakota, then gradually spread eastward overnight. Hail size remained on the low end of severe criteria, with multiple reports of one inch ...

Flash Flood — Jun 20, 2013

Severe Thunderstorm Watch number 331 was in effect during this event.||A surface warm front extending from central South Dakota into the central Red River Valley of eastern North Dakota was the focus for scattered severe thunderstorms during the late afternoon and evening hours of the 20th. Large hail and heavy rain accompanied the severe thunderstorms over south central North Dakota.

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.

Emmons County NFIP Flood Insurance Claims

Total Claims Filed
69
Total Paid Out
$860,092
Avg Claim
$14,577
Avg Water Depth
18.4 ft

Claims by Flood Zone

A Zones (High Risk)
42

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

Flood Zone Types in Emmons County

FEMA assigns flood zone designations to areas in Emmons 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 Emmons County

Properties in Emmons 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.