Also Known as Septic Tanks
Austin Water regulates On-Site Sewage Facilities (a.k.a. septic tanks) located within the City of Austin full jurisdiction and areas annexed for the implementation of the Health and Safety Code. Properties that have water frontage on Lake Austin or any of the tributaries that feed into Lake Austin are considered to be in the City of Austin jurisdiction regardless of lot configuration, house location, or drainfield location. If you are not sure your property is located within the City of Austin's jurisdiction for OSSFs, you may enter your address in the OSSF Interactive Map provided below. Alternatively, you may use the Full Page Interactive Map. Please note that the interactive map works best using Firefox, Chrome, and Internet Explorer version 11.
The following information may be obtained from this interactive map:
- Whether your property is located within the City's jurisdiction for OSSFs.
- Whether your property is located within the Edwards Aquifer Recharge Zone or the Barton Springs segment.