Your Post Oak SUD staff is always here to help you. Whether you need assistance with a bill or a question about your usage, we are here to serve you. Contact us @ 254.576.1012 or come to the office! The office is open from 8:30 AM-12:00 PM & 1:00 PM-4:00 PM, Monday-Friday. 


Due to the coronavirus the office is limited to those who need to fill out/process an application. All payments for bills may be placed in the box to the left of the door. 

Business Personnel

Office Admin Mrs. Crystal Pustejovsky 254.576.1012

Operations Personnel

General Manager Mr. Robert Mathis 254.855.5655