Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-221-805

(a)(1) The state is authorized to make grant allowances to municipalities for purposes of preliminary engineering for wastewater treatment works construction.

(2) The department shall administer this grant program.

(b)(1) The department shall promulgate regulations setting forth procedures for the submission of applications by municipalities for these grants and for the approval or denial of these applications by the department and setting forth the criteria upon which these approvals and denials will be made, and further setting forth the amounts of such allowances which shall be based on construction cost and the percentage grant amounts bear to total construction cost.

(2) Such rules and regulations shall also include a method of grant payments.

(e)(1) Grants for preliminary engineering for wastewater treatment works construction projects which are financed by a municipality's own resources may be made by the department.

(2) Such grants shall be at the rate of eighty percent (80%) of allowable preliminary engineering costs.

(3) Such grants shall be paid at the time of construction of the project.