County Hazards

States › Texas › Trinity County › Flood

Flood in Trinity County, Texas

42 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

42 events · 1 deaths recorded · peak month May · county share of state 0.3%

2024-05-16: Flood2024-05-16: Flood2024-05-16: Flood2024-05-01: Flood2024-05-01: Flood2024-05-01: Flood2024-04-28: Flood2024-04-28: Flood2024-04-28: Flood2024-04-28: Flood2024-04-28: Flood2024-04-28: Flood2024-04-28: Flood2024-01-24: Flood2015-06-18: Flood2015-05-18: Flood2015-05-11: Flood2014-07-17: Flood2009-10-29: Flood2007-01-14: Flood2005-08-04: Flood
Flood event locations in and around Trinity County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

NCEI records 42 flood events in Trinity County, Texas, between 1950 and 2026, spread over 15 years.

May is the busiest month, with 10 of the recorded events. The last 20 years account for 20 events against 22 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.3% of the 15,832 flood events recorded in Texas; its 6.1 per 100 square miles compares with 6.1 statewide.

NCEI attributes 1 death in the county to floods and flash floods.

Compared with Texas

MeasureTrinity CountyTexasUS
Flood events since 19504215,832183,559
Per 100 square miles6.16.15.2
Per 10,000 residents30.45.45.5
Deaths recorded15952,961
Busiest monthMayMayJune

By year

195019882026
Flood events recorded in Trinity County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
4
Feb
0
Mar
0
Apr
7
May
10
Jun
6
Jul
2
Aug
1
Sep
1
Oct
2
Nov
8
Dec
1
Flood events in Trinity County by month of occurrence, all years.

Recorded events

All 42 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
16 May 2024Flash Flood—————County
16 May 2024Flash Flood—————County
16 May 2024Flash Flood—————County
1 May 2024Flood—$2.7M———County
1 May 2024Flash Flood—————County
1 May 2024Flash Flood—————County
28 Apr 2024Flash Flood—————County
28 Apr 2024Flash Flood—————County
28 Apr 2024Flash Flood—————County
28 Apr 2024Flash Flood—————County
28 Apr 2024Flash Flood—————County
28 Apr 2024Flash Flood—————County
28 Apr 2024Flash Flood—————County
24 Jan 2024Flash Flood———1—County
18 Jun 2015Flash Flood—————County
18 May 2015Flash Flood—————County
11 May 2015Flash Flood—————County
17 Jul 2014Flash Flood—————County
29 Oct 2009Flash Flood—————County
14 Jan 2007Flash Flood—————County
4 Aug 2005Flash Flood—$15K———County
23 Nov 2004Flash Flood—————County
27 Jun 2004Flash Flood—$10K———County
13 May 2004Flash Flood—$65K———County
1 Sep 2003Flash Flood—$3K———County
4 Nov 2002Flash Flood—$20K———County
8 Jun 2001Flash Flood—————County
7 Jun 2001Flash Flood—————County
6 Jun 2001Flash Flood—————County
3 Nov 2000Flash Flood—$15K———County
3 Nov 2000Flash Flood—$25K———County
25 Jun 1999Flash Flood—$25K———County
29 Jan 1999Flash Flood—$5K———County
13 Nov 1998Flash Flood—$10K———County
13 Nov 1998Flash Flood—$5K———County
13 Nov 1998Flash Flood—$10K———County
6 Oct 1998Flash Flood—$3K———County
6 Jan 1998Flash Flood—$3K———County
5 Nov 1997Flash Flood—$5K———County
7 Jul 1997Flash Flood—$25K———County
15 May 1997Flash Flood—$10K———County
29 Dec 1996Flash Flood—$5K———County

Questions and answers

How many flood events has Trinity County had?

42 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.

When was the last recorded flood event in Trinity County?

16 May 2024 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Trinity County?

The flood of 1 May 2024, with property damage estimated by NCEI at $2.7M.

How does Trinity County compare with Texas for flood?

6.1 events per 100 square miles against 6.1 statewide; the county holds 42 of the state's 15,832 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.