Official Three Oaks Water Supply Corporation Website

About Us


What we do...

Three Oaks Water Supply Corporation, is a Member owned  non-profit regional water supply corporation providing water to approximately 575 member customers located in the parts of Atascosa, Karnes, and Wilson Counties.


Do you need water service?

If you live in the above areas and you need water service, please utilize the contact information form below to setup an appointment to discuss eligibility for service, membership dues, privileges, and responsibilities.


Board Members

These are the dedicated officer Members serving our members.

Contact Us

Drop us a line!

Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours.

Three Oaks Water Supply Corporation

6907 FM 541 W, Floresville, TX 78114, US

(830) 391-2198


Monday - Friday: 8am - 5pm

Saturday: By appointment

Sunday: Closed