The Commissioners have understood that at the chemical works on the North river, at 33d street, and at an extensive turpentine distillery on the East river, some distance above the Alms House, water cannot be procured in sufficient quantity from the large wells on their premises, where but a few years past, it was obtained in abundance j and, consequently, they are now compelled to cart a portion of their water from a distant place on the island. At the gas works, situated on the Collect grounds, where they have a well twenty feet in depth, by eighteen feet in diameter, which, until the present season, furnished water freely, enabling the engine to raise 20,000 gallons in ten hours, now requires fourteen to sixteen hours to raise the same quantity and in order to continue the ;

supply it has been found necessary to return the water to the well after using it for condensing the gas. The Commissioners are also informed, that the Corporation well on 13th street, which formerly yielded 120.000 gallons of water each day, will now only produce from five to ten thousand. To remedy this evil, a well has been sunk at Jefferson Market, which has deprived most of the wells in that vicinity of water thus drying up ;

one source of supply, in order to increase that of another. These are important facts, and ought not to be lost sight of by the municipal authorities, or by the people of this metropolis.

As if to leave nothing unexamined or unsaid that might determine the authorities and citizens of New York to undertake this noble and useful enterprize, which it was made the duty of their Commissioners to report upon, the effect of bad water upon the health of '