Enter any address in La Salle County, Texas to see its FEMA flood zone
Flash flooding from heavy rainfall events dominates La Salle County's flood history. Between 1993 and 2023, NOAA Storm Events data recorded 29 flash flood events compared to 7 general flood events. Recent examples include significant rainfall in August 2022, which caused flash flooding across the Brush Country, and major river flooding on the Nueces River in October 2018.
National Flood Insurance Program (NFIP) claims data shows that properties in Zone A have experienced flooding with an average water depth of 0.8 feet and an average payout of $2,026. While Zone X claims are fewer, one claim averaged a payout of $21,117 with a reported water depth of 43.0 feet. Homeowners in areas designated as Zone A, as well as those near the Nueces River or other waterways, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
7 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
La Salle County, Texas has recorded 36 flood-related events since 1996 according to NOAA's Storm Events Database, including 29 flash floods and 7 river or area floods. The county has received 17 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1967–2021)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Hurricane Hanna | Hurricane | Jul 25, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Wildfires | Fire | Aug 30, 2011 |
| 322 Fire | Fire | Mar 15, 2008 |
| Wildfires | Fire | Mar 14, 2008 |
| Extreme Wildfire Threat | Fire | Nov 27, 2005 |
| Hurricane Rita | Hurricane | Sep 23, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Aug 17, 2022 | 0.00K |
| Flash Flood | Aug 15, 2022 | 0.00K |
| Flood | Oct 20, 2018 | 0.00K |
| Flood | Oct 15, 2018 | 0.00K |
| Flood | Sep 28, 2017 | 0.00K |
| Flash Flood | Sep 27, 2017 | 100.00K |
| Flash Flood | Aug 21, 2016 | 0.00K |
| Flood | May 24, 2015 | 0.00K |
| Flood | May 22, 2015 | 0.00K |
| Flash Flood | May 15, 2015 | 0.00K |
Flood — Aug 17, 2022
Very heavy rainfall occurred over Webb and Duval Counties associated with a tropical low pressure system on the 15th and 16th. Flood wave that originated in San Casamiro Creek in Webb County flowed into the Nueces River, Major river flooding occurred from southeast La Salle County through McMullen County to Live Oak County from the 17th through the 24th.
Flash Flood — Aug 15, 2022
As the tropical disturbance moves west into the Brush Country on the 15th, bands of showers and thunderstorms produced very heavy rainfall. This caused flash flooding in the Laredo area and over portions of the Brush Country. Rainfall estimates of 5 to 8 inches were widespread across the Brush Country with localized amounts of 10 to 15 inches over western Duval County and southwest Webb County.
Flood — Oct 20, 2018
A couple of episodes of locally heavy rain on the 7th and 15th over the Upper Nueces River watershed provided periods of major flooding on the Nueces River in La Salle County during the month of October.
Flood — Oct 15, 2018
A couple of episodes of locally heavy rain on the 7th and 15th over the Upper Nueces River watershed provided periods of major flooding on the Nueces River in La Salle County during the month of October.
Flood — Sep 28, 2017
Torrential rainfall fell across the western Brush Country from September 26th through the 28th. Generally, 5 to 10 inches of rain fell during the period with some areas over northern Webb County into eastern Dimmit County received from 15 to 20 inches of rain. This caused major flooding on the Nueces River affecting portions of La Salle County.
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 La Salle 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.
Properties in La Salle 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.