Enter any address in Trinity County, Texas to see its FEMA flood zone
Flash flooding dominates the flood character of Trinity County, accounting for 41 out of 45 recorded flood events over the last 30 years alongside 1 related death, while tropical storms and hurricanes also impact the area. Recent history underscores these risks; a series of wind and heavy rain events caused significant damage in May 2024, and a severe derecho brought widespread flash flooding and wind damage to the region on May 16, 2024.
National Flood Insurance Program records show claims across multiple zones, with the highest concentrations occurring in Zone A with 71 claims averaging an 18,679 dollar payout and an average recorded water depth of 3 inches, and Zone UNKNOWN with 53 claims averaging a 20,737 dollar payout and an average recorded water depth of 5 inches. Additional claims occurred in Zone X with 10 claims averaging a 14,532 dollar payout and an average recorded water depth of 0 inches, Zone X_UNSHADED with 5 claims averaging a 12,079 dollar payout and an average recorded water depth of 2 inches, and Zone D with 1 claim averaging a 45,000 dollar payout and an average recorded water depth of 1 inch.
Homeowners, real estate agents, and journalists should pay the most attention to properties located within Zone A and unmapped or unknown zones, as these areas have experienced the highest volume of claims and historical flood damage.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
8 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Trinity County, Texas has recorded 47 flood-related events since 1996 according to NOAA's Storm Events Database, including 41 flash floods and 1 river or area floods. The county has received 28 federal disaster declarations, 6 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1989–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Hurricane Beryl | Hurricane | Jul 5, 2024 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Flood | Apr 26, 2024 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Tropical Storms Marco And Laura | Hurricane | Aug 23, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms And Flooding | Flood | May 22, 2016 |
| Severe Winter Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Dec 26, 2015 |
| Severe Storms, Tornadoes, Straight-line Winds And Flooding | Severe Storm | May 4, 2015 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Apr 28, 2024 | 0.00K |
| Flash Flood | Jan 24, 2024 | 0.00K (1 deaths) |
| Flash Flood | May 16, 2024 | 0.00K |
| Flash Flood | May 1, 2024 | 0.00K |
| Flood | May 1, 2024 | 2.70M |
| Flash Flood | May 18, 2015 | 0.00K |
| Flash Flood | Jun 18, 2015 | 0.00K |
| Flash Flood | May 11, 2015 | 0.00K |
| Flash Flood | Jul 17, 2014 | 0.00K |
| Flash Flood | Oct 29, 2009 | 0.00K |
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 — 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 — 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...
Flash Flood — May 1, 2024
A series of disturbances moved across the area and produced flash flooding and severe thunderstorms.
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.
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 Trinity 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 Trinity County, Texas that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with a mortgage from a federally regulated or insured lender, or a federally backed loan, 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.