Click on Maps to download full size versions of the drainage area and jurisdictions maps.
Drainage Area Map Opens in new window     District Map Opens in new window   

Need to figure out if you are in the District? 

The Williamson County Appraisal District (WCAD) Mapping Tool lets you enter an address, turn layers on and off, and verify tax information.

Looking for rainfall or gage data? 

Check out the District’s Flood Monitoring Map. The interactive map with data from our gage network including reservoir elevation and precipitation at each dam and stream stages at key locations.

A current status summary for all sites can be found in the USGS Report.

If you want specific data for any structure, please click on the station number to get detail data for that station number.