Catskill Aqueduct

[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).

[6] The Catskill Aqueduct has an operational capacity of about 550 million US gallons (2,100,000 m3) per day north of the Kensico Reservoir in Valhalla, New York.

[7] The aqueduct normally operates well below capacity with daily averages around 350–400 million US gallons (1,500,000 m3) of water per day.

The Catskill Aqueduct begins at the Ashokan Reservoir in Olivebridge, New York, located in Ulster County.

From the Ashokan Reservoir, the aqueduct traverses in a southeasterly direction through Ulster, Orange, and Putnam counties.