Tennessee House Bill HB0199

Tennessee 2025-2026 Regular Session

• Introduced: 1/16/25
• Refer: 2/3/25
• Refer: 3/5/25
• Refer: 3/25/25
• Chaptered: 4/29/25
• Passed: 4/29/25

Caption

AN ACT to amend Tennessee Code Annotated, Title 68, Chapter 221, Part 4, relative to variances for subsurface sewage disposal systems.

Summary

HB0199 amends Tennessee’s laws governing variances for subsurface sewage disposal systems. The bill adds a definition of “accessory buildings” to include subordinate structures on the same lot as a principal single-family dwelling, such as accessory dwelling units, garages, barns, sheds, and similar structures that support the residential use of the property. The bill authorizes the commissioner to issue a variance for a subsurface sewage disposal system within the covered area or jurisdiction under Tennessee Code Annotated § 68-221-410, and provides that such a variance supersedes more stringent local requirements. It also limits that authority by excluding sewerage systems regulated under § 69-3-108, systems serving multiple lots, and any lot containing more than one single-family dwelling with accessory buildings. In addition, the commissioner may require any granted variance to be filed and recorded with the county register of deeds for the affected property.

Impact

The bill changes Title 68, Chapter 221, Part 4 of the Tennessee Code by expanding and clarifying state-level variance authority over onsite sewage disposal systems. It creates a new statutory definition relevant to residential property layouts and gives the commissioner express power to override stricter local standards in qualifying cases, while preserving existing regulation for certain sewerage systems and multi-lot or multi-dwelling properties. Property owners, developers, and local governments are the primary parties affected, especially in rural or unsewered areas where septic system approvals can determine whether accessory structures or residential development can proceed.

Sentiment

The available vote history suggests the bill had generally favorable support but not unanimous backing. It advanced out of the House Agriculture and Natural Resources Subcommittee by a 6-2 vote and then out of the full House Agriculture & Natural Resources Committee by a 9-6 vote, indicating meaningful support alongside some reservations. The bill ultimately passed and became law, which suggests the overall legislative sentiment was positive enough to move the measure forward despite some opposition.

Contention

The main point of contention appears to have been the balance between state variance authority and local control over septic and land-use standards. Supporters likely viewed the bill as a way to provide flexibility for property owners with accessory buildings and to standardize variance decisions across jurisdictions, while opponents may have been concerned that the measure would weaken more stringent local requirements or broaden development options in ways that could affect public health, environmental protection, or local planning authority. The recorded committee votes, especially the narrower 9-6 committee result, indicate that these concerns were significant enough to generate debate.