Sewage Disposal



The Department of Sewage Disposal Management is charged with the task of ensuring that the laws of Williamson County regarding the use and placement of individual, onsite septic tank / sewage disposal systems (septic systems), are fairly implemented and enforced so as to protect:

  • The health and well-being of the general public.
  • The irreplaceable groundwater resources of the county.
  • The quality of the environment which the citizens of the county rooftopwc

Flooded Water Well Notice

Find out what to do with a water well after a flood.

Emergency Relief Measures

If you are experiencing a septic system backup into the internal plumbing fixtures of a structure, please view information for emergency relief measures available during periods when the office is closed.

wellThe Division of Laboratory Services at the state’s health department is offering FREE well-water test kits.  The kits are available at no charge through July 2023.  The kit includes:  gloves, bottles and directions for sampling water from the faucet.   Also included is a prepaid shipping label.  Water samples will be tested for Total Coliform and E. coli, Fluoride, Nitrite, Nitrate, Total Dissolved Solids, Lead, Copper and Arsenic.  These are common contaminants that should be checked annually according to the EPA.


To order a free kit or for more information, please contact or call (615) 262-6337.