Williamson County Septic Services in Franklin Williamson County Septic Services is a septic inspection company proudly serving Franklin, TN and all surrounding communities. Whether you have a broken septic tank and need some kind of septic repairs done to your home or you simply need septic tank maintenance, our professional and courteous employees will arrive promptly and fix any and all of your septic problems. The quality of work done on septic systems by our staff is matched by none in the area. Whenever you are having problems with your septic tank, give us a call and we'll be sure to take care of it-no matter what time of day.