San Antonio Flood Map

Weather & Flooding in San Antonio

Surging Seas Risk Finder & Flood News in Texas, USA

San Antonio, Texas “One of the most flood-prone regions in North America”

San Antonio River Authority (SARA) —->Watershed Map 
San Antonio is a populated area in one of the most flash-flood prone regions in North America. SARA manages a series of structural controls (dams and drainage systems) to help prevent and/or reduce flood problems. For example, the San Antonio River Tunnels (see illustration) proved invaluable as they diverted water safely underneath downtown during the 1998 and 2002 floods. San Antonio flood zones, areas and flooding map.

Read more About SARA (PDF document)

Read more about Bexar Regional Watershed Management program (BRWM) (PDF document)

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See the San Antonio Area’s Historic Streamflow Data

San Antonio Flooded Today
San Antonio Flood
Is San Antonio Flooded

San Antonio’s Fire Chief has a message about low-water crossings.

The majority of flood-related deaths are caused by people attempting to drive through moving water. This interactive segment explains the most common ways people die in these situations.
See this Interactive Segment

Is San Antonio Flooding
Flooding San Antonio

Flash Flood Alley – Interactive

Texas is prone to extremely heavy rains and flooding with half of the world record rainfall rates (48 hours or less). Central Texas (known as Flash Flood Alley) is particularly vulnerable because storms stall out along the Balcones escarpment. San Antonio flooding read more >

Links to historical photos of floods in the San Antonio region

San Antonio Flood Map

Special thanks to USI Private Utility Locator for demonstrating the hazardous impacts of underground utilities for homes and commercial properties.

San Antonio Flooding

Flooding San Antonio River Authority
Flood Control Structures

San Antonio Flood Tunnel Cut-Away
Olmos Dam
Smaller Retention Dams:Salado Martinez Calaveras
Salado Dam Explained

Learn what to do if your house floods. Cleaning up after a flood is important and should be handled by homeowners quickly before the professionals arrive.

Thank you WillyWeather for LIVE San Antonio Flood Warning News & Updates

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