Catskill Aqueduct, Water supply aqueduct in Ulster County, New York.
The Catskill Aqueduct extends 92 miles from Ashokan Reservoir through Ulster, Orange, and Putnam counties to Hillview Reservoir in Yonkers.
The construction of this water infrastructure system started in 1907 and reached completion in 1916, with a total cost of 177 million dollars.
The development of this water system enabled New York City's growth during the industrial period and population increase following World War I.
This structure transports 40 percent of New York City's drinking water supply, delivering up to 590 million gallons daily through gravity-powered flow.
The deepest section of the aqueduct runs 1,114 feet beneath the Hudson River, making it the lowest point in New York City's water system.
Location: New York
Elevation above the sea: 226 m
Part of: New York City water supply system
GPS coordinates: 41.84860,-74.13720
Latest update: May 27, 2025 11:47
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