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Summit County, Colorado Flood Zones

Check an Address in Summit County

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

Read First-Hand Flood Stories from Summit County

1 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 Summit County

Summit County, Colorado has recorded 1 flood-related events since 1996 according to NOAA's Storm Events Database, including 1 flash floods. The county has received 6 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Summit County Disaster History

FEMA Disaster Declarations (1977–2020)

Disaster Declarations
6
Flood/Coastal Disasters
1
Latest Disaster
Covid-19 Pandemic (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Summit County

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Hurricane Katrina EvacuationCoastal StormAug 29, 2005
SnowSnowstormMar 17, 2003
WildfiresFireApr 23, 2002
DroughtDroughtJan 29, 1977

Recorded Flood Events in Summit County

NOAA Storm Events Database (1996–2025)

Total Flood Events
1
Flash Floods
1
Total Property Damage
$210,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Summit County

TypeDateDamage
Flash FloodJul 18, 2011200.00K

Summit County Flood History

Flash Flood — Jul 18, 2011

Thunderstorms produced very heavy rain and continuous lightning over Summit County. The historic rainstorm in the town of Breckenridge produced 3.17 inches of rain at local weather station, most of the rain fell in less than 3 hours. A cooperative observer with the National Weather Service also recorded 3.59 inches of rainfall in east Breckenridge. The highest recorded 24-hr rainfall prior t...

Source: NOAA National Weather Service Storm Events Database.

Summit County NFIP Flood Insurance Claims

Total Claims Filed
25
Total Paid Out
$19,573
Avg Claim
$1,779
Avg Water Depth
2.2 ft

Claims by Flood Zone

A Zones (High Risk)
7
X Shaded (500-yr)
5
X Unshaded (Low)
4

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

Flood Zone Types in Summit County

FEMA assigns flood zone designations to areas in Summit County, Colorado:

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.

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Flood Insurance in Summit County

Properties in Summit County, Colorado 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.