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Columbia County, Oregon Flood Zones

Check an Address in Columbia County

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

Read First-Hand Flood Stories from Columbia County

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

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Flood Risk Data for Columbia County

Columbia County, Oregon has recorded 12 flood-related events since 1996 according to NOAA's Storm Events Database. The county has received 17 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Columbia County Disaster History

FEMA Disaster Declarations (1964–2020)

Disaster Declarations
17
Flood/Coastal Disasters
5
Latest Disaster
Wildfires And Straight-line Winds (2020-09-07)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Columbia County

DeclarationTypeDate
Wildfires And Straight-line WindsFireSep 7, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storms, Flooding, Landslides, And MudslidesSevere StormJan 7, 2017
Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And MudslidesSevere StormDec 6, 2015
Severe Winter Storm, Flooding, Landslides, And MudslidesFloodJan 17, 2012
Severe Winter Storm, Record And Near Record SnowSevere StormDec 13, 2008
Severe Storms, Flooding, Landslides, And MudslidesSevere StormDec 1, 2007
Severe Winter Storm And FloodingSevere StormDec 14, 2006
Severe Storms, Flooding, Landslides, And MudslidesSevere StormDec 18, 2005

Recorded Flood Events in Columbia County

NOAA Storm Events Database (1996–2025)

Total Flood Events
12
River/Area Floods
12
Total Property Damage
$39.3M
Flood Deaths
1
Flood Injuries
1

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Columbia County

TypeDateDamage
FloodJan 6, 202225.00K
FloodJan 13, 20210.00K
FloodFeb 12, 201930.00K
FloodFeb 9, 20170.00K
FloodNov 24, 20160.00K
FloodDec 9, 20152305.00K (1 deaths)
FloodDec 8, 2015824.00K
FloodDec 7, 2015124.00K
FloodNov 19, 20120.00K
FloodJan 8, 20090.00K

Columbia County Flood History

Flood — Jan 6, 2022

The second in a series of strong Pacific fronts brought another round of heavy rain and resulting flooding of mainstem rivers draining the coastal mountains and interior of northwest Oregon. Coastal flooding also occurred at some coastal communities as a result of high astronomical tides combined with high river levels and high seas.

Flood — Jan 13, 2021

A series of slow moving fronts brought periods of heavy rain along with strong winds. This resulted in high surf; coastal, river and urban flooding; landslides; and debris flows. As the front moved inland early on the 13th, a debris flow resulted in a fatality in the Columbia River Gorge. The front brought a burst of 35-50 mph winds to the Willamette Valley and southwest Washington interior r...

Flood — Feb 12, 2019

Back-to-back low pressure systems dropping south along the coast of British Columbia and Washington brought cold air south into NW Oregon as well as plenty of moisture. Locations in the Columbia Gorge and Hood River Valley saw 1 to 2 feet of snow. At lower elevations, a near stationary frontal boundary the night of the 11th into the morning of the 12th dropped several inches of rain over port...

Flood — Feb 9, 2017

A series of fronts brought moderate to heavy rainfall across Northwest Oregon, resulting flooding on many rivers across the area over the next several days.

Flood — Nov 24, 2016

A moist Pacific front moving slowly across the area produced heavy rainfall, resulting in flooding of several rivers across Northwest Oregon and at least two landslides.

Source: NOAA National Weather Service Storm Events Database.

Columbia County NFIP Flood Insurance Claims

Total Claims Filed
355
Total Paid Out
$13.6M
Avg Claim
$43,348
Avg Water Depth
14.6 ft

Claims by Flood Zone

A Zones (High Risk)
251
X Shaded (500-yr)
4

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

Flood Zone Types in Columbia County

FEMA assigns flood zone designations to areas in Columbia 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.

View all flood zone types →

Flood Insurance in Columbia County

Properties in Columbia 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.