Prohibition of erection of any building which would injure sources of water- supply

Except with the permission of the Corporation, no person shall—

1. (a) erect any building for any purpose whatever on any part of the area enclosed by the boundary-fence of any lake or reservoir from which a supply of water is derived for a municipal water-work; or
2. (b) remove, alter, injure, damage or in any way interfere with aforesaid boundary-- fence.