Enter any address in Duchesne County, Utah to see its FEMA flood zone
Flash flooding from summer thunderstorms is the dominant flood character in Duchesne County. Over the last 30 years, NOAA Storm Events data shows 15 flash flood events and 6 flood events. Recent examples include a deep monsoonal event on August 1, 2023, which brought widespread thunderstorms and flooding across northern Utah, and active monsoon surges on July 31, 2021, and August 1, 2021, that produced heavy rain. Additionally, strong thunderstorms over burn scars on July 26, 2019, generated debris flows impacting roadways and requiring water rescues.
While specific flood zones are not detailed in the provided data, National Flood Insurance Program (NFIP) claims show that properties with an unknown flood zone designation have experienced claims averaging $1,839 with an average water depth of 0.6 feet. Homeowners in areas prone to flash flooding, particularly those near recent burn scars or in locations that have experienced heavy rainfall from monsoon events, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
1 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Duchesne County, Utah has recorded 21 flood-related events since 1996 according to NOAA's Storm Events Database, including 15 flash floods and 6 river or area floods. The county has received 8 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Dollar Ridge Fire | Fire | Jul 2, 2018 |
| Flooding | Flood | Apr 18, 2011 |
| Neola North Fire | Fire | Jun 30, 2007 |
| Hurricane Katrina Evacuation | Coastal Storm | Aug 29, 2005 |
| Severe Storms, Landslides & Flooding | Flood | Apr 13, 1983 |
| Drought | Drought | Jan 20, 1977 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jun 27, 2024 | 0.00K |
| Flood | Aug 25, 2024 | 5.00K |
| Flash Flood | Aug 1, 2023 | 1.00K |
| Flash Flood | Jul 31, 2021 | 0.00K |
| Flash Flood | Aug 1, 2021 | 1.10K |
| Flash Flood | Jul 26, 2019 | 0.00K |
| Flash Flood | Jul 22, 2018 | 150.00K |
| Flood | Sep 22, 2016 | 100.00K |
| Flood | Sep 12, 2013 | 15.00K |
| Flash Flood | Jul 27, 2011 | 0.00K |
Flood — Jun 27, 2024
Severe thunderstorms brought heavy rain, hail, gusty winds, and flash flooding.
Flood — Aug 25, 2024
There were gusty winds for different parts of Utah and flash flooding in southern Utah.
Flash Flood — Aug 1, 2023
A deep monsoonal event impacted Utah at the beginning of August. Each of these days across northern Utah, widespread thunderstorms and flooding impacted the region. Very heavy rainfall impacted West Valley City, Honeyville, and Draper in particular.
Flash Flood — Jul 31, 2021
An active monsoon surge brought several back-to-back days of thunderstorms producing heavy rain, damaging wind gusts, and hail across the state.
Flash Flood — Aug 1, 2021
An active monsoon surge brought thunderstorms producing heavy rain, damaging wind gusts, and hail across the state.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Duchesne 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.
Properties in Duchesne 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.