Free sandbags in Hays County, TX
Where to get sandbags, how to get official alerts, and how to check your own address before the next storm.
Where to get free sandbags in Hays County, TX
City of San Marcos: free self-service sandbag station for San Marcos residents and business owners at the Household Hazardous Waste facility, 634 E. Hopkins St., 8 a.m. to 5 p.m., Monday through Friday. Supplies are provided but you fill your own bags; limit 20 bags per household.
- City of San Marcos: sandbagssanmarcostx.gov
- City of San Marcos: sandbag station postfacebook.com
Checked against official sources on October 25, 2026.
Free storm alerts for Hays County
When the National Weather Service issues a flood, fire, wind or hurricane warning for Hays County, we email you right away with what to do. We also give you a heads-up a day ahead when NOAA forecasts severe storms or flash-flooding rain.
Want alerts for your exact street instead? Check your address and sign up there.
Flood maps for Hays County
12,128 FEMA flood-zone areas mapped across 101 map panels.
MyStormPlan hosts FEMA's flood map data for Hays County (FEMA data as of May 21, 2026), so you can see the exact zone at your front door in seconds. You'll also see wildfire, earthquake and other hazard layers for your address.
Get official emergency alerts
Hays County's official alert system is WarnCentralTexas. It's free and sends warnings to your phone when a storm, fire or evacuation affects your area.
Before the storm: a quick checklist
- Pick up sandbags early. Supplies run out once a storm is in the forecast.
- Fill bags about halfway and lay them flat, overlapping like bricks, at doorways and the garage door.
- Clear gutters, downspouts and the storm drain in front of your house.
- Move valuables, papers and electronics off the floor.
- Take photos or a video of your rooms and belongings for insurance.
- Never walk or drive through floodwater. Turn around, don't drown.
Questions people ask
Where can I get free sandbags in Hays County, TX?
City of San Marcos: free self-service sandbag station for San Marcos residents and business owners at the Household Hazardous Waste facility, 634 E. Hopkins St., 8 a.m. to 5 p.m., Monday through Friday. Supplies are provided but you fill your own bags; limit 20 bags per household.
How do I get emergency alerts in Hays County, TX?
Sign up for WarnCentralTexas, which is free, and turn on Wireless Emergency Alerts on your phone.
How do I know if my home is in a flood zone in Hays County, TX?
Enter your address at mystormplan.com/check to see your FEMA flood zone and other hazards for your exact property, free.
How many sandbags do I need?
A common rule of thumb is about 100 bags to build a wall 1 foot high and 20 feet long. Most homes use sandbags to steer water away from doorways and garage doors. Fill bags only about halfway so they lie flat and tight.
More counties in Texas
- Bee CountyFree sandbags
- Brown CountyFree sandbags
- Cameron CountyFree sandbags
- El Paso CountyFree sandbags
- Hidalgo CountyFree sandbags
- Jefferson CountyFree sandbags
- Jim Wells CountyFree sandbags
- Kerr CountyFree sandbags
- Kleberg CountyFree sandbags
- Marion CountyFree sandbags
- Nueces CountyFree sandbags
- Orange CountyFree sandbags