The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
The system to which the Village is connected within the county for providing public source of water to its residents and users.
All water mains, water supply facilities and their appurtenances, which the Village has or shall have possession of and operating responsibility for (whether owned by the Village or not), either now in existence in the Village or hereafter acquired or constructed in the Village, together with all works, plants, instruments, instrumentalities and properties used or useful in connection with the system, in the obtaining of a water supply or in the treatment or distribution of water, except that of the Northwest Ottawa Water System, and all extensions, enlargements and improvements in the Village.