Tennessee Code Title 69. Waters, Waterways, Drains and Levees § 69-9-302

(a) No person shall operate any vessel in or upon the waters of Tennessee in such a manner as to exceed 86 bdA measured at a distance of fifty feet (50′) from the vessel.

(b) Testing procedures employed to determine such noise levels shall be in accordance with the exterior sound level measurement procedure for pleasure motorboats recommended by the society of automotive engineers in its recommended practice designated SAEJ34. The agency may, by regulation, amend such testing procedures when deemed necessary to adjust to advances in technology.