All public pumps, wells, cisterns, reservoirs, conduits, and other works used for the gratuitous supply of water to the inhabitants of any part of the district of a local authority shall vest in and be under the control of the authority, and the authority may cause the works to be maintained and supplied with wholesome water, or may substitute, maintain and supply with wholesome water other such works equally convenient.
If the local authority are satisfied that any such works are no longer required, or that the water obtained from any such works is polluted and that it is not reasonably practicable to remedy the cause of the pollution, they may close those works or restrict the use of the water obtained therefrom.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .