25. In the case of the urban agglomeration of Montréal, the urban agglomeration of Québec and the urban agglomeration of Longueuil, the central municipality’s exclusive jurisdiction over water supply and water purification does not include the installation, repair and maintenance of purely local water or sewer mains or the connecting of water or sewer mains to an immovable.
All water or sewer mains that are not trunk lines within the meaning of section 26 are purely local. They include the equipment accessory to them, such as, in the case of waterworks, hydrants, cocks, valves and boosters.