FloodZoneMap.org

Utah County, Utah Flood Zones

Check an Address in Utah County

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

The Flooding Character of Utah County

Flash flooding from thunderstorms is the dominant flood character in Utah County. Over the past 30 years, the NOAA Storm Events Database recorded 31 flash flood events compared to 5 general flood events. Recent examples include flash flooding on June 21, 2024, caused by thunderstorms, and widespread flooding impacting areas like Draper on August 3, 2023, due to a monsoonal event.

National Flood Insurance Program (NFIP) claims data shows that properties in Zone A experienced the highest average payouts and water depths, with an average claim of $10,595 and 3.5 feet of water. Claims in Zone X_UNSHADED also show a notable number of incidents. Homeowners in areas designated as Zone A, as well as those near potential flash flood paths, should pay the most attention to flood risk.

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

Read First-Hand Flood Stories from Utah County

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

Read Utah flood stories →

Flood Risk Data for Utah County

Utah County, Utah has recorded 36 flood-related events since 1996 according to NOAA's Storm Events Database, including 31 flash floods and 5 river or area floods. The county has received 12 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Utah County Disaster History

FEMA Disaster Declarations (1983–2023)

Disaster Declarations
12
Flood/Coastal Disasters
5
Latest Disaster
Flooding (2023-05-01)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Utah County

DeclarationTypeDate
FloodingFloodMay 1, 2023
Ether Hollow FireFireSep 7, 2020
Knolls FireFireJun 28, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Bald Mountain FireFireSep 21, 2018
Dump FireFireJun 22, 2012
FloodingFloodApr 18, 2011
Hurricane Katrina EvacuationCoastal StormAug 29, 2005
Ut - Mollie Fire - 08/19/01FireAug 18, 2001

Recorded Flood Events in Utah County

NOAA Storm Events Database (1996–2025)

Total Flood Events
36
River/Area Floods
5
Flash Floods
31
Total Property Damage
$7.2M
Flood Injuries
2

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Utah County

TypeDateDamage
Flash FloodAug 27, 2025500.00K
Flash FloodJun 21, 20241.00K
Flash FloodAug 12, 20245.00K
FloodApr 30, 202350.00K
FloodMay 22, 202350.00K
FloodMar 15, 202340.00K
Flash FloodAug 3, 20231.00K
Flash FloodJul 31, 20210.00K
Flash FloodJul 22, 20210.00K
FloodAug 1, 2021100.00K

Utah County Flood History

Flash Flood — Aug 27, 2025

Showers and thunderstorms brought flash flooding to portions of southern Utah.

Flash Flood — Jun 21, 2024

Thunderstorms brought heavy rain, hail, gusty winds, and flash flooding to portions of southern and eastern Utah.

Flash Flood — Aug 12, 2024

Monsoonal showers and thunderstorms brought flash flooding and gusty winds to Utah.

Flood — Apr 30, 2023

Flooding in southern Utah caused a portion of US-89 to be closed.

Flood — May 22, 2023

A pattern developed by late May with sufficient moisture and forcing to yield scattered showers and thunderstorms almost every day, generally from the afternoon on into the early evening hours. Some of these storms were strong, yielding damaging wind gusts and hail. Additionally, a road washout was reported as a result of continued spring runoff from the prior winter's record snowfall.

Source: NOAA National Weather Service Storm Events Database.

Utah County NFIP Flood Insurance Claims

Total Claims Filed
79
Total Paid Out
$386,591
Avg Claim
$8,590
Avg Water Depth
11.1 ft

Claims by Flood Zone

A Zones (High Risk)
20
X Shaded (500-yr)
4
X Unshaded (Low)
23

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

Flood Zone Types in Utah County

FEMA assigns flood zone designations to areas in Utah County, Utah:

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 Utah County

Properties in Utah County, Utah 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.