FloodZoneMap.org

Delta County, Texas Flood Zones

Check an Address in Delta County

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

The Flooding Character of Delta County

Flash flooding events are the dominant flood character in Delta County, TX. Between 2025 and 2055, NOAA Storm Events data recorded 25 flash flood events compared to 2 general flood events. Recent examples include flash flooding associated with a stalled cold front in April 2025 and heavy rains from a slow-moving upper low in January 2025.

National Flood Insurance Program (NFIP) data shows one claim in Zone A with an average payout of $2,841 and an average water depth of 0.0 feet. Residents in Zone A, and those living near waterways or in areas prone to rapid water accumulation, should pay the most attention to flood risks.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Delta County

3 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 Delta County

Delta County, Texas has recorded 27 flood-related events since 1996 according to NOAA's Storm Events Database, including 25 flash floods and 2 river or area floods. The county has received 18 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Delta County Disaster History

FEMA Disaster Declarations (1966–2024)

Disaster Declarations
18
Flood/Coastal Disasters
3
Hurricane Disasters
1
Latest Disaster
Severe Storms, Straight-line Winds, Tornadoes, And Flooding (2024-04-26)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Delta County

DeclarationTypeDate
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
Severe Winter Storms, Tornadoes, Straight-line Winds, And FloodingSevere StormDec 26, 2015
Severe Storms, Tornadoes, Straight-line Winds And FloodingSevere StormMay 4, 2015
WildfiresFireMar 14, 2008
Severe Storms, Tornadoes, And FloodingSevere StormJun 16, 2007
Extreme Wildfire ThreatFireNov 27, 2005

Recorded Flood Events in Delta County

NOAA Storm Events Database (1996–2025)

Total Flood Events
27
River/Area Floods
2
Flash Floods
25
Total Property Damage
$87,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Delta County

TypeDateDamage
Flash FloodJan 30, 20252.00K
Flash FloodJan 30, 202510.00K
Flash FloodApr 5, 20250.00K
Flash FloodAug 13, 20170.00K
FloodDec 27, 201550.00K
FloodMar 20, 20150.00K
Flash FloodMar 18, 20080.00K
Flash FloodJun 27, 20070.00K
Flash FloodJul 10, 20070.00K
Flash FloodJan 12, 2005

Delta County Flood History

Flash Flood — Jan 30, 2025

A slow moving upper low generated multiple rounds of rain, some heavy, the night of January 29 into the morning of January 30 across North Texas. Much of the heavy rain and associated flooding occurred in and near the DFW Metroplex.

Flash Flood — Apr 5, 2025

Multiple rounds of showers and storms occurred as a cold front moved through North Texas and stalled in East/Central Texas. These storms produced large hail, damaging winds, a tornado, lightning related damage, and flash flooding. The largest hail stone fell in Eastland County on the 3rd, with a diameter of 2.5 inches. A EF-0 tornado was found to have occurred in Van Zandt County on the 4th.

Flash Flood — Aug 13, 2017

An upper level disturbance kicked off multiple rounds of showers and thunderstorms along a stationary front which stretched across North Texas. A few severe storms occurred during the evening of Saturday August 12th, then training thunderstorms with heavy rain led to flash flooding in many locations between the Red River and the Interstate 20 corridor during the morning of the 13th.

Flood — Dec 27, 2015

A potent storm system brought deadly tornadoes and severe weather to North Texas on the 26th followed by waves of heavy rainfall that resulted in significant flooding across parts of North and Central Texas. Twelve tornadoes were confirmed on the afternoon and evening of the 26th, killing 13 and injuring over 300. The strongest tornado was an EF-4 that struck the Garland and Rowlett areas of D...

Flood — Mar 20, 2015

A cold front was draped across north central Texas on the afternoon of March 20th. Showers and a few thunderstorms developed along the front, with areas of Delta and Hopkins Counties receiving locally heavy rainfall.

Source: NOAA National Weather Service Storm Events Database.

Delta County NFIP Flood Insurance Claims

Total Claims Filed
1
Total Paid Out
$2,840
Avg Claim
$2,840

Claims by Flood Zone

A Zones (High Risk)
1

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

Flood Zone Types in Delta County

FEMA assigns flood zone designations to areas in Delta 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 Delta County

Properties in Delta 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.