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The 92-mile (148 km) aqueduct consists of 55 miles (89 km) of cut and cover aqueduct, over 14 miles (23 km) of grade tunnel, 17 miles (27 km) of pressure tunnel, and nine miles (10 km) of steel siphon. [4] The 67 shafts sunk for various purposes on the aqueduct and City Tunnel vary in depth from 174 to 1,187 feet (362 m). [5]
Entrance building, Pepacton Reservoir in 2015. The East Delaware Tunnel is a 25-mile (40 km) aqueduct in the New York City water supply system.Located in the Catskill Mountains of New York State, it was constructed within a six-year period between 1949 and 1955 to transport drinking water from the Pepacton Reservoir to the Rondout Reservoir. [1]
New York City Water Tunnel No. 2, completed in 1935. It runs from the Hillview Reservoir under the central Bronx, East River, and western Queens to Brooklyn, where it connects to Tunnel 1 and the Richmond Tunnel to Staten Island. When completed, it was the longest large diameter water tunnel in the world. [26]
The 85-mile Delaware Aqueduct, deep underground, is the world’s longest tunnel. The Catskill Aqueduct is not a tunnel, but, rather is at surface and spans 92 miles.
Shandaken Tunnel: Catskill Mountains, New York, United States 29,780 m (18.504 mi) 1924 Metro Shanghai Subway: Line 8: Shanghai, China 29,650 m (18.424 mi) 2007–2009 Metro Prospekt Veteranov – Devyatkino Saint Petersburg Metro, Russia (at the time of construction Soviet Union) 29,600 m (18.393 mi) 1955–1978 Metro
Water from the Schoharie Reservoir flows to New York City through the 16-mile (26 km)-long Shandaken Tunnel, and empties into the Esopus Creek at Shandaken. Another 11 miles (18 km) down the Esopus it empties into the Ashokan Reservoir. From there water enters the 92-mile (147 km) Catskill Aqueduct to the Kensico Reservoir, thence to New York City.
The Catskill Park is in the Catskill Mountains in the U.S. state of New York. It consists of 700,000 acres (280,000 ha; 2,800 km 2 ) of land inside a Blue Line in four counties: Delaware , Greene , Sullivan , and Ulster .
Neversink is not as easily reached as some of the city's other Catskill reservoirs. NY 55 runs along its southern end, but that is the only road within proximity of any section. Access to the actual reservoir is tightly restricted and has been even more so since the September 11, 2001 attacks forced an increase in security.