FloodZoneMap.org

Washington County, Texas Flood Zones

Check an Address in Washington County

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

The Flooding Character of Washington County

Flash flooding is the dominant flood character in Washington County, TX, with 41 such events recorded by NOAA in the last 30 years, resulting in 5 fatalities. Recent events in January 2024, for example, saw numerous flash floods that inundated homes, necessitated high water rescues, and caused a fatality. Tropical storms have also impacted the county, with 4 events recorded in the same period.

National Flood Insurance Program (NFIP) claims data shows that properties in Zone X have experienced the most claims, with an average payout of $31,536 and an average water depth of 25 feet. Properties in Zone A also have a significant number of claims, though with lower average payouts and water depths. Homeowners in Zone X, Zone A, and Zone X_Unshaded should pay particular 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 Washington County

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

Read Texas flood stories →

Flood Risk Data for Washington County

Washington County, Texas has recorded 45 flood-related events since 1996 according to NOAA's Storm Events Database, including 41 flash floods. The county has received 20 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Washington County Disaster History

FEMA Disaster Declarations (1993–2024)

Disaster Declarations
20
Flood/Coastal Disasters
4
Hurricane Disasters
4
Latest Disaster
Hurricane Beryl (2024-07-05)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Washington County

DeclarationTypeDate
Hurricane BerylHurricaneJul 5, 2024
Severe Storms, Straight-line Winds, Tornadoes, And FloodingFloodApr 26, 2024
Severe Winter StormSevere Ice StormFeb 11, 2021
Severe Winter StormsSevere Ice StormFeb 11, 2021
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Hurricane HarveyHurricaneAug 23, 2017
Severe Storms And FloodingFloodMay 22, 2016
Severe Storms And FloodingFloodApr 17, 2016
Severe Storms, Tornadoes, Straight-line Winds And FloodingSevere StormMay 4, 2015

Recorded Flood Events in Washington County

NOAA Storm Events Database (1996–2025)

Total Flood Events
45
Flash Floods
41
Hurricanes/Tropical Storms
4
Total Property Damage
$160.4M
Flood Deaths
5

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Washington County

TypeDateDamage
Flash FloodJan 24, 20240.00K
Flash FloodOct 31, 20180.00K
Flash FloodMar 29, 20180.00K
Flash FloodAug 27, 20170.00K
Tropical StormAug 25, 2017150.00M
Flash FloodMay 26, 201610.00M (5 deaths)
Flash FloodMay 25, 20150.00K
Flash FloodOct 24, 20150.00K
Flash FloodMay 18, 20150.00K
Tropical StormJun 15, 2015

Washington County Flood History

Flash Flood — Jan 24, 2024

A series of disturbances moved across the area resulting in numerous flash flood events that resulted in the flooding of many homes, extensive high water rescues, and a flood-related fatality.

Flash Flood — Oct 31, 2018

Strong damaging wind gusts and one tornado occurred in association with the passage of a squall line of thunderstorms.

Flash Flood — Mar 29, 2018

A line of thunderstorms produced some wind damage, flash flooding and a tornado.

Flash Flood — Aug 27, 2017

Harvey made landfall as a category 4 hurricane near Rockport, Texas during the evening of August 25th. The storm then weakened to a tropical storm and slowed, looping back and tracking over SE Texas then back over the Gulf of Mexico making a second landfall along the Louisiana coast during the early morning hours of August 30th. Over that 5 day period over Southeast Texas TS Harvey produced ca...

Tropical Storm — Aug 25, 2017

Harvey made landfall as a category 4 hurricane near Rockport, Texas during the evening of August 25th. The storm then weakened to a tropical storm and slowed, looping back and tracking over SE Texas then back over the Gulf of Mexico making a second landfall along the Louisiana coast during the early morning hours of August 30th. Over that 5 day period over Southeast Texas TS Harvey produced ca...

Source: NOAA National Weather Service Storm Events Database.

Washington County NFIP Flood Insurance Claims

Total Claims Filed
59
Total Paid Out
$1.4M
Avg Claim
$26,919
Avg Water Depth
25.9 ft

Claims by Flood Zone

A Zones (High Risk)
15
V Zones (Coastal)
1
X Unshaded (Low)
9

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

Flood Zone Types in Washington County

FEMA assigns flood zone designations to areas in Washington County, Texas:

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 Washington County

Properties in Washington County, Texas 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.