Mass. Gen. Laws ch. 165, § 25: Conductors from aqueducts for fire fighting

Section 25. A town in which such aqueduct is situated may put conductors into the pipes for the purpose of drawing therefrom, free of expense, as much water as is necessary if a building is on fire therein and such conductors are so secured that water shall not be drawn therefrom except for the purpose of extinguishing fires.