Flood Risk in San Antonio, TX — 2026 Report
Source: FEMA National Flood Insurance Program (NFIP)
High
Flood Risk Score: 65/100
High Risk
Flood risk is determined by analyzing FEMA flood zone designations, NFIP insurance claim history, NOAA precipitation data, and proximity to flood-prone waterways.
Historical Flood Events — San Antonio
| Date | Description | Magnitude | Fatalities | Injuries | Source |
|---|---|---|---|---|---|
| 1998-10-17 | Flash flooding kills 31 people in the San Antonio area | — | 31 | 0 | NOAA |
Flood Preparedness for San Antonio Residents
- 1.Purchase separate flood insurance through FEMA's NFIP or a private insurer
- 2.Elevate electrical systems, HVAC, and valuable items above expected flood levels
- 3.Know your evacuation routes and have a go-bag ready
- 4.Sign up for local emergency alerts
- 5.Create a home inventory for insurance purposes