Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-221-1102

(1) “Agricultural land” means land used for agriculture, as defined in § 1-3-105;

(2) “Construction” means the erection, building, acquisition, alteration, reconstruction, improvement or extension of storm water facilities; preliminary planning to determine the economic and engineering feasibility of storm water facilities; the engineering, architectural, legal, fiscal and economic investigations and studies, surveys, designs, plans, working drawings, specifications, procedures, and other action necessary in the construction of storm water facilities; and the inspection and supervision of the construction of storm water facilities;

(3) “Contaminant” means any physical, chemical, biological, or radiological substance or matter in water;

(4) “Municipality” means any incorporated city or town, county, metropolitan or consolidated government, or special district of this state empowered to provide storm water facilities;

(5) “Person” means any and all persons, natural or artificial, including any individual, firm or association and any municipal or private corporation organized or existing under the laws of this or any other state or country;

(6) “Qualified farmer or nurseryman” has the meaning as defined in § 67-6-207;

(7) “Storm water” means storm water runoff, snow melt runoff, surface runoff, street wash waters related to street cleaning or maintenance, infiltration (other than infiltration contaminated by seepage from sanitary sewers or by other discharges) and drainage;

(8) “Storm water facilities” means the drainage structures, conduits, combined sewers, sewers, and all device appurtenances by means of which storm water is collected, transported, pumped, treated or disposed of; and

(9) “Surface water” includes waters upon the surface of the earth in bounds created naturally or artificially including, but not limited to, streams, other water courses, lakes, and reservoirs.