PUBLIC NOTICE 11/25/2020 - Proposed replacement of Article 13.05 with Article 19 and revision of Article 23 concerning flood hazard reduction and compliance with the NFIP.


  • Public Notice 03/20/2020

    The health of Williamson County citizens is a primary concern of Williamson County Government.  In accordance with the recommendation from the CDC to help prevent the spread of the COVID-19 virus, notice is hereby given that until further notice, the Community Development Department will no longer hold in-house pre-application meetings in our offices.  Please contact the Planning Department at 615-790-5725 or in order to set-up a pre-application meeting by remote means.

The Engineering Division is an integral part of the Community Development team. Engineering works to maintain the quality of development in Williamson County while assisting developers and the general public in interpreting development regulations and implementing associated requirements.

This department is responsible for support to the County Commission, Stormwater Appeals Board, Highway Commission, Planning Commission, and other boards, for the routine processes of administering and interpreting the Stormwater Management Regulations, Subdivision Regulations, Zoning Ordinance, FEMA (Federal Emergency Management Agency) Regulations, engineering practices, and for specific research as the need arises.

One of the main duties of the Department is to review and approve all construction plans for new development. This review now includes storm water quality requirements.
Read more about the stormwater management program.
Other responsibilities include, but are not limited to:
  • Assisting County residents with drainage and erosion control issues
  • Coordination of infrastructure testing and outside consultants
  • Floodplain management
  • Other engineering-related concerns
  • Storm water enforcement
  • Traffic and roadway issues
The Engineering Department coordinates with the Highway Department, as required, concerning new development affecting County-maintained roadways.

Land Disturbance permits are also issued from the Engineering Department after review and approval of grading, drainage, and erosion control plans.