Tenn. Code Ann. § 69-7-203: Definition of basin and river basin

For purposes of this part, "basin" or "river basin" refers to the entire topographic extent of the following ten (10) watersheds and combinations of watersheds:

(1) The Mississippi River and all of its tributaries west of the Tennessee River Valley;

(2) The Duck River, the Elk River, and the western Tennessee River Valley;

(3) The lower Cumberland River to the downstream point of the mouth of the Caney Fork River, the Harpeth and the Stones rivers;

(4) The tributaries of the Barren River;

(5) The upper Cumberland River, the Caney Fork, the Obed, and the Big South Fork of the Cumberland River;

(6) The lower Tennessee River in East Tennessee up to and including the Hiawassee River;

(7) The Conasauga River;

(8) The Upper Tennessee River in East Tennessee upstream of the Hiawassee, the Little Tennessee, the Clinch, and the Emory rivers;

(9) The French Broad River and the Nolichuckey River; and

(10) The Holston River and the Watauga River.