The following words and phrases, whenever used in this chapter, shall have the following respective meanings unless the context clearly indicates otherwise:

(1) AUTHORITY. The corporation organized pursuant to the provisions of this chapter as a public corporation, agency and instrumentality of the state and known as the "Alabama Water Pollution Control Authority."

(2) AUTHORIZING RESOLUTION. A resolution or order adopted by the board of directors of the authority authorizing the issuance of bonds by the authority pursuant to this chapter or by a public body.

(3) BOARD OF DIRECTORS. The board of directors of the Alabama Water Pollution Control Authority.

(4) BONDS. The "Water Pollution Control Bonds," notes or obligations or other evidence of indebtedness issued by the authority under the provisions of this chapter.

(5) BOND PROCEEDS. The direct proceeds of sale of bonds or notes, and the income derived from the investment of such proceeds.

(6) DEPARTMENT. The Department of Environmental Management or any successor.

(7) FEDERAL CLEAN WATER ACT. The Act of Congress so designated (P.L. 92-500) approved October 18, 1972 (33 U.S.C. §1251 et seq.), as amended from time to time.

(8) PROJECT. The wastewater treatment facilities of a public body to consist of one or more treatment facilities designed to prevent the discharge of untreated or inadequately treated sewage, industrial wastes or other wastes, for purposes of compliance with requirements of the Federal Clean Water Act.

(9) PUBLIC BODY. Includes each county, state agency, incorporated city or town, or their instrumentality created by or pursuant to state law and having jurisdiction over the disposal of sewage, industrial wastes, or other wastes. It includes also a combination of two or more of the foregoing having such jurisdiction.