Identifier: scienceforbeginn00barb (find matches)
Title: Science for beginners
Year: 1921 (1920s)
Authors: Barber, Frederic Delos, 1868- Fuller, Merton Leonard, 1872- joint author Pricer, John Lossen, 1871-1920, joint author Adams, Howard William, 1875- joint author
Subjects: Science
Publisher: New York, H. Holt and Company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Fig. 249.—Plumbing in a modern city dwelling. ing completion. The city acquired possession of an area of900 sq. miles of mountainous land in the Catskill Mountainsand is constructing an aqueduct to bring the rainfall of 42,0 WATER SUPPLY AND SEWAGE DISPOSAL
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Fig. 250.—The water supply of New York City. CITY WATER SYSTEMS 421 that region to the city (Fig. 250). The new aqueduct is 127miles in length. The water is carried through a tunnel over4 miles in length and at a depth of 1100 ft. beneath theHudson River and later through another tunnel at the depthof 700 ft. beneath the East River. It is estimated that thenew system will cost $200,000,000 and that it will double thecitys water supply, making the supply 1,000,000,000 gal.per day. This will be an ample supply for a city of 8,000,000population, allowing 125 gal. a day per capita. Every effortis being made to safeguard the purity of the water from thenew source. To do this, seven villages in the Catskills havebeen abandoned. At the completion of the Catskill develop-ment the city will have expended nearly $100 per capita forits water supply. 495. City Supply from Deep Wells.—Many of our smallercities are able to obtain a sufficient supply of water from deepwells. Many of the cities o

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