Natural Disasters in San Marcos, TX

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

90.6

Relatively Moderate

Expected Annual Loss

91.4

Score (0-100)

Social Vulnerability

15.4

Score (0-100)

Community Resilience

57.5

Score (0-100)

Top Hazard Risks

Hail96.8Tornado96.1Lightning94.8

Hazard	Risk Score
Hail	96.8
Tornado	96.1
Lightning	94.8
Winter Weather	93.8
Heat Wave	92.1
Wildfire	87.9
Strong Wind	86.1
Cold Wave	79.8
Drought	77.6
Ice Storm	64.4
Hurricane	63.9
Landslide	43.5
Earthquake	25.8

Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.

Disaster Declarations

Source: FEMA OpenFEMA

Total Declarations

Most Recent

Flood

Jul 2025

Most Common Type

Flood

6 declarations

Date	Type	Declaration
Jul 6, 2025	Flood	SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
May 17, 2024	Flood	SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Feb 19, 2021	Severe Ice Storm	SEVERE WINTER STORMS
Feb 14, 2021	Severe Ice Storm	SEVERE WINTER STORM
Mar 25, 2020	Biological	COVID-19 PANDEMIC
Mar 13, 2020	Biological	COVID-19
Aug 25, 2017	Hurricane	HURRICANE HARVEY
Nov 25, 2015	Severe Storm	SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
May 29, 2015	Severe Storm	SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Jun 29, 2010	Hurricane	TROPICAL STORM ALEX
Mar 14, 2008	Fire	WILDFIRES
Jun 29, 2007	Severe Storm	SEVERE STORMS, TORNADOES, AND FLOODING
Jan 11, 2006	Fire	EXTREME WILDFIRE THREAT
Sep 24, 2005	Hurricane	HURRICANE RITA
Sep 21, 2005	Hurricane	HURRICANE RITA
Sep 2, 2005	Hurricane	HURRICANE KATRINA EVACUATION
Jul 4, 2002	Flood	SEVERE STORMS AND FLOODING
Sep 1, 1999	Fire	EXTREME FIRE HAZARDS
Oct 21, 1998	Flood	TX-FLOODING 10/18/98
Aug 26, 1998	Severe Storm	TROPICAL STORM CHARLEY

Showing 20 of 23 declarations

Individual Assistance

Source: FEMA Housing Assistance

Total IA Registrations

3,291

Total IA Distributed

$10,999,916

Repair/Replace

$4,623,855

Rental Assistance

$3,110,811

Disaster	Registrations	Total IA $	Avg Damage
DR-4879	1	N/A	—
DR-4223	1,695	$7,011,112	$8,127
DR-4781	254	$1,566,015	$4,761
DR-4245	530	$1,393,897	$3,619
DR-4586	694	$483,616	$838
DR-4485	87	$468,057	—
DR-1624	2	$45,242	$68,460
DR-4332	27	$31,161	$1,099
DR-1709	1	$818	$818

Individual and household assistance for homeowners and renters affected by federally declared disasters.

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

2,455

Total Claims Paid

$109,532,161

Avg Claim Payout

$44,616

County-level NFIP data from FEMA National Flood Insurance Program.

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$4,364,953

Disasters with PA

Total Projects

Disaster	Type	Projects	Federal $
DR-4485	Biological	8	$3,351,629
DR-4332	Hurricane	12	$681,988
DR-4586	Winter Storm	5	$206,978
DR-4245	Severe Storm(s)	3	$113,206
DR-1606	Hurricane	2	$11,153

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$85,097

Avg Benefit-Cost Ratio

0.00

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
91.2: Local Multihazard Mitigation Plan - NEW	1	$85,097

Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.

San Marcos has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are hail, tornado, lightning. The area has had 23 federal disaster declarations. The most common disaster type is flood (6 declarations). 2,455 flood insurance claims have been filed in the area. FEMA has obligated $4,364,953 in public assistance recovery funding. $10,999,916 has been distributed in individual assistance to disaster-affected residents. 1 hazard mitigation projects have been funded to reduce future risk.