As used in this act, the word or phrase "Municipality" means any city, borough, incorporated town, or township.
"Municipality Authority" means a body politic and corporate created pursuant to the provisions of the Municipality Authorities Act of 1945 or the Municipality Authorities Act of 1935.
"Sewage Disposal System" means a system for the disposal of sewage, including all pipes carrying the sewage and all sewage treatment works.
"Special Fund" means a sewage disposal system fund created, invested and expended in accordance with this act.
"Sanitary Water Board" means the Sanitary Water Board of the Commonwealth.
53 P.S. § 2291