(a) In this subtitle the following words have the meanings indicated.
(b) “Municipal authority” means:
(1) The mayor and council of a municipality;
(2) The town commissioners of a municipality; or
(3) Any other governing body of a municipality.
(c) “System” means:
(1) A water supply system;
(2) A sewerage system;
(3) A drainage system; or
(4) A refuse disposal system.