Rules & Regulations of the State of Tennessee
Title 0400 - Environment and Conservation
Subtitle 0400-48 - Water Resources (Groundwater Protection)
Chapter 0400-48-01 - Regulations To Govern Subsurface Sewage Disposal Systems (Transferred from 1200-01-06)
Section 0400-48-01-.17 - PRIVIES AND COMPOSTING TOILETS

(1) Pit privies shall be constructed to prevent a health hazard and prevent insect and rodent accessibility and shall not be located less than fifty (50) feet from a water supply or less than ten (10) feet from any habitable building or property line.

(2) Composting toilets must be certified by the National Sanitation Foundation (NSF) to be in compliance with NSF Standard 41, and be published in their "Listing of Certified Wastewater Recycle / Reuse and Water Conservation Devices," before they may be used for disposal of human excreta by non-water carriage methods.

(3) A pit privy or composting toilet shall not be permitted for a facility where the facility has running water available unless there is an acceptable means to dispose of wastewater.