[J. Thomas Scharf (1886)] With the nine billion gallons of water in existing storage res-ervoirs and lakes, and five billion gallons in the res-ervoir about to be built on the east branch of the Cro-ton, in the town of South East, Putnam County, the total available storage capacity will be forty-six bil-lion gallons, sufficient to supply two hundred million gallons a day for two hundred and thirty days.1 The new aqueduct will be capable of delivering two hundred and fifty million gallons per day, the en-tire minimum drainage of the Croton water-shed. This will supply a population of two million five hun-dred thousand at the rate of one hundred gallons a day per capita, or three million three hundred and An analysis of the Croton water by Professor Chandler gives the following result : Chloride of sodium 0.2S4 grains. Sulphate of potash 0.2(15 " S ulphate of soda 0. 024 " Sulphate of lime 0.024 " Carbonate of lime 1.G98 " Carbonate of magnesia 0.935 " Alumina and oxide of iron 0.058 " Silica 0.222 " Organic and volatile matter 0.874 11 Total solids 4.324 The annual rain-fall at Croton Lake from January 1, 1866, to December 31, 1882, according WATER TOWER AT HIGH BRIDGE. thirty thousand at the present rate of consumption — about seventy-five gallons a day per capita. The new aqueduct is to start from the present dam, and is to be cylindrical in shape and fourteen feet in diam-eter. The territory drained by the Croton River amounts to three hundred and thirty-eight square miles.