Click below for the Bexar County Major Watershed Areas map.

Knowing your watershed helps you better prepare for heavy rain and flooding.
Bexar Regional Watershed Management
Stormwater Management
You can learn about the City of San Antonio stormwater utility and stormwater operations at the City of San Antonio’s Public Works Stormwater Utility web page.

For related Bexar County information, go to Bexar County’s Infrastructure Services web page.