Enter any address in Brazos County, Texas to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Brazos County. Over the last 30 years, NOAA data shows 46 flash flood events, significantly more than other flood types. Recent examples include widespread flash flooding on May 16, 2024, and substantial rainfall leading to flooding on October 13, 2018.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A and Zone X experience the most frequent flood claims. Claims in Zone A, often areas with higher flood risk, show higher average payouts and water depths compared to Zone X. Homeowners in these zones, as well as those in Zone X_UNSHADED and Zone X_SHADED, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
12 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Brazos County, Texas has recorded 53 flood-related events since 1996 according to NOAA's Storm Events Database, including 46 flash floods and 4 river or area floods. The county has received 19 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1991–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Hurricane Beryl | Hurricane | Jul 5, 2024 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms And Flooding | Flood | May 22, 2016 |
| Hurricane Ike | Hurricane | Sep 7, 2008 |
| Hurricane Gustav | Hurricane | Aug 27, 2008 |
| Wildfires | Fire | Mar 14, 2008 |
| Extreme Wildfire Threat | Fire | Nov 27, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | May 6, 2025 | 0.00K |
| Flash Flood | Apr 28, 2024 | 0.00K |
| Flash Flood | May 16, 2024 | 400.00K |
| Flood | May 1, 2024 | 400.00K |
| Flash Flood | Oct 14, 2018 | 0.00K |
| Flash Flood | Oct 13, 2018 | 0.00K |
| Tropical Storm | Aug 25, 2017 | 15.00M |
| Flash Flood | May 26, 2016 | 100.00K |
| Flash Flood | Dec 27, 2015 | 0.00K |
| Flash Flood | May 25, 2015 | 5.00K |
Flash Flood — May 6, 2025
Thunderstorms produced large hail and flash flooding across portions of southeast Texas.
Flash Flood — Apr 28, 2024
Evening through overnight storms produced a lot of flash flooding, a couple tornadoes, some winds damage and some hail.
Flash Flood — May 16, 2024
On the evening of May 16, a derecho moved into SE TX. This resulted in extensive wind damage across much of the Greater Houston area, including much of Downtown Houston. Maximum wind gusts were estimated to have reached over 100 mph. Additionally, the system produced two tornadoes and widespread flash flooding. Power outages resulting from the derecho lasted multiple days for hundreds of thousa...
Flood — May 1, 2024
A series of wind and heavy rain events hit the area in late April and early May leading to significant damages. These entries include cumulative dollar damage estimates primarily from the flood events as reported by the counties.
Flash Flood — Oct 14, 2018
A swath of slow moving training thunderstorms produced radar-estimated 4 to near 10 inches of rain. This caused flooding across the Brazos River Valley eastward to the Trinity River.
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 Brazos 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 Brazos 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.