Section 19: Restriction on structures in great ponds
Section 19. Except as authorized by the general court and as provided in this chapter, no structure shall be built or extended, or piles driven or land filled, or other obstruction or encroachment made, in, over or upon the waters of any great pond below the natural high water mark; nor shall any erection or excavation be made at any outlet thereof whereby the water may be raised or lowered.