…HILL Read before the American Water Works Association at St. Louis , Mo. , June 8th , 1904 Pamphlet 462 21 13861282 ES MODIFICATIONS OF THE PLAN OF THE NEW CROTON DAM . BY WILLIAM R. HILL . The responsibility of the engineer in charge…

…only of the building of the Croton Aqueduct but also the beauty of its surroundings and how it complemented them. For example, he not- ed that the clearing of the area around the Dam and the juxtaposi- tion with man…

…it is eleven and a quarter miles from the dam. The arch is 20 feet span and has a versed sine or rise of 5 feet. From this the Aqueduct passes on, encounters one tunnel, and reaches the valley of…

…Cross section of the Old Croton Dam, illustrating the engineering significance of the system Left: An 1850 painting of the Croton Water Reservoir, an architecturally significant feature of the system. 34 35 Lack of Awareness or Understanding of Historic Heritage…

…How he is to convey either six or sixteen millions of gallons of water from the mouth of the Croton, in accordance with his first proposition, and at an elevation of 125 feet above low water, at the city of…

…best known Aqueduct painting of this later period. Artists, writers, and the general public also associated the Croton water system with park-like public amenities in both the City and the countryside — in the fountains, reservoirs, the Dam and Lake…

…The Croton Aqueduct or High Bridge. -- The high bridge which crosses the Harlem River at the northwest corner of Morrisania was built as an aqueduct to convey the water of the Croton River to the reservoirs of New York City…

…18 , 1902 , on the writer's recom- mendation the Aqueduct Commissioners approved a plan providing for the reinforcement of these walls . The preliminary estimate of the cost to construct the dam under the original plan was $ 4,150,573 . This…

In making the plan for a dam at this place it was determined to fill the main channel and the table land on the right bank with an embankment of earth ; and on the left bank where rock was found…

…mill seats and to estimate the expense of erecting such ; dam and compensating those injuries to ascertain and report the best plan for conveying ; the water from said dam to the city ; the quantity per diem that will be conveyed…

…The writer had the honor of being Chief Engineer of the Aqueduct Commission of the City of New York , from January Ist , 1900 , to October 14th , 1903. During his incumbency the new Croton Dam was under construc- tion . The purpose…

…At five o'clock on the morning of the 22d of June, water to the depth of eighteen inches was admitted into the aqueduct from Croton Lake. A boat called the 4k Croton Maid," carrying four persons, was placed in…

…To obtain this velocity, a weir or dam was erected across the mouth of the lake to preserve its waters at the proper height, and the usual means of regulating the head, and disposing of the superfluous water by sluices…

…water from the reservoir and the demolition of the embankment , by the rush of water in falling a height of 150 feet to reach the valley below . On Dec. 18 , 1902 , on the writer's recom- mendation the Aqueduct Commissioners…

…The contractors for the new dam in the Croton, for instance, were bound to have it in such an advanced stage by 1st November of this year, as to throw two feet water from the lake into the aqueduct. The…

…Like the railroad, the construction of the Croton and New Croton Dams and the New Croton Aqueduct played an important role in shaping Croton-on-Hudson’s development. Construction began on the Croton Dam in 1837 after several water crises…

…18 , 1902 , on the writer's recom- mendation the Aqueduct Commissioners approved a plan providing for the reinforcement of these walls . The preliminary estimate of the cost to construct the dam under the original plan was $ 4,150,573 . This…

…in his projects, and states that he will build a dam about four miles above the Quaker Bridge, of 32 feet in height, and from thence conduct the water by an open canal of 10 feet bottom, 34 feet top…

The water has usually flowed at the depth of two and a quarter feet in the aqueduct, but has been as- high as three and a half feet, and between the Croton Dam and Sing Sing waste wier (nearly 8…

…The aqueduct proceeds from the Sing Sing tunnel, crossing both the aforesaid street and creek, from north to south. 3d. An archway over the Highland turnpike, now highway, about eleven miles below the Croton dam, of 20 feet span, and…

…under the Aqueduct, and one having two arches each 25 feet span for the river. Plate XVIII. is a view of the work at Saw Mill River. The water is set back at this place by a dam for a…

…It was Major Douglass who determined that a gravity aqueduct could be built from a dam on the Croton River to the north bank of the Harlem River at a constant slope of 13V4 inches per mile. Having set the…

…On these criteria the Croton Aqueduct provides an outstanding case study of the factors inherent in the design of any successful, large scale engineering work. The first step was to determine the quantity of water to be deliv- ered at…

The bed of the river is about 18 feet below common high water mark. The channel is not this depth for its whole width, but slopes very flat on the sides. The outline of the plan, is to make a…

…pure and wholesome water, at a cost two-thirds less than that estimated by our engineer, in his report of 1833. They have, therefore, deemed it their duty to ascertain by actual survey, whether a dam may not be raised…

…High Bridge, Aqueduct, and Water Tower, reference number 72001560 1973: Old Croton Dam Site, reference number 73001289 1974: Old Croton Aqueduct, reference number 74001324 1983: 135th Street Gatehouse, reference number 83001721; High Pumping Station (Bronx, NY), reference number 83003882 40…

…From Clendinning Valley the Aqueduct soon reaches the Receiving Reservoir which is thirty-eight miles from the Croton Dam. This Reservoir occupies an elevated part of the island between 79th and 86th streets and between the 6th and 7th Avenues…

…From Manhattan Valley the Aqueduct passes through a tunnel, and following its course the next work of interest is at Clendinning Valley, which is thirty-seven miles from the Croton Dam. This valley is 1900 feet across, and the Aqueduct…

…The history of the building of Croton Aqueduct reminds us of the value of water, one of the most important rural resources in the 19th century, and the ways it had become an invaluable commodity for urban populations and allied…

…Notwithstanding the immense volume discharged at the overfall of the dam, the water was rising, during the night previous to this disaster, at the rate of fourteen inches per hour over the