San Marcos on the Blanco River faces catastrophic flash flood risk. The 2015 Memorial Day floods killed 12 people in this area. Texas State University adds emergency complexity.
// Preparedness Recommendations
- Evacuation routes inland should be identified in advance.
- Store at least 72 hours of food and water.
- Elevate critical belongings above flood level.
- Have backup power ready in case of grid failure.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 7 / 10 Moderate |
| Primary Hazard | Flash Flooding |
| FEMA Flood Zone | Zone AE (Moderate Risk) |
| County FEMA Declarations | 28 |
| Last Major Event | Halloween Floods (2021) |
// Emergency Information
| Emergency Phone | (512) 353-2777 |
| Evacuation Routes | I-35 North, TX-130 East, US-290 West, Ranch Road 12 |
| Elevation | 574 ft above sea level |
// County Risk Profile
Hays County TX
Texas · Flash Flooding
View full county emergency preparedness profile →
6/10
Moderate Risk