Enter any address in Gilliam County, Oregon to see its FEMA flood zone
Gilliam County, Oregon has recorded 2 flood-related events since 1996 according to NOAA's Storm Events Database, including 2 flash floods. The county has received 12 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1964–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Lone Rock Fire | Fire | Jul 17, 2024 |
| Wildfires | Fire | Jul 10, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, Landslides, And Mudslides | Severe Storm | Dec 18, 2005 |
| Hurricane Katrina Evacuation | Coastal Storm | Aug 29, 2005 |
| Severe Winter Storms | Severe Storm | Dec 26, 2003 |
| Severe Winter Storms, Land And Mudslides, Flooding | Severe Storm | Dec 25, 1996 |
| High Winds, Severe Storms And Flooding | Flood | Feb 4, 1996 |
| Drought | Drought | Apr 29, 1977 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Apr 23, 2012 | 50.00K |
| Flash Flood | Aug 5, 2003 | 7K |
Flash Flood — Apr 23, 2012
An upper level disturbance moving north on the back side of an upper level ridge combined with a very moist atmosphere to produce local severe thunderstorms and flooding.
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 Gilliam County, Oregon:
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 Gilliam County, Oregon 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.