Amawalk Reservoir
Amawalk Reservoir can be seen at left center of this 2013 aerial photograph of nearby Muscoot Reservoir. Amawalk Reservoir is immediately left of the cloud at center.
Amawalk Reservoir Show map of New York Amawalk Reservoir Show map of the United States
Location	Westchester County, New York
Coordinates	41°18′15″N 73°44′20″W / 41.30417°N 73.73889°W / 41.30417; -73.73889
Type	reservoir
Catchment area	20 sq mi (52 km2)
Basin countries	United States
Max. length	3 mi (4.8 km)
Surface area	579 acres (2.34 km2)
Average depth	36 feet (11 m)
Max. depth	60 feet (18 m)
Water volume	6.7 billion US gal (25,000,000 m3)
Surface elevation	397 ft (121 m)[1]

The Amawalk Reservoir is a small reservoir in the New York City water supply system located in central-northern Westchester County, New York. It is located at the intersection of U.S. Route 202 and New York State Route 35 in the town of Somers, and is over 32 miles (over 51 kilometres) north of New York City. Part of the system's Croton Watershed, it was formed by impounding the middle of the Muscoot River, one of the tributaries of the Croton River.^[2] This reservoir was put into service in 1897, and was named after the original community of Amawalk, New York, which was inundated by the reservoir and relocated near the dam.

The reservoir is one of the smaller in NYC's water supply system. It is only about 3 miles (4.8 kilometres) long. It only holds about 6.7 billion US gal (25 million m³) of water at full capacity, and has a drainage basin of 20 square miles (52 square kilometres).

Water which is either released or spilled out of Amawalk Reservoir flows south in the Muscoot River and eventually enters the Muscoot Reservoir, and then flows into the New Croton Reservoir. The water enters the New Croton Aqueduct, which sends water to the Jerome Park Reservoir in the Bronx, where the water is distributed to the Bronx and to northern Manhattan. On average, the New Croton Aqueduct delivers 10% of New York City's drinking water.^[3] The water that doesn't enter the New Croton Aqueduct will flow into the Hudson River at Croton Point.

• List of reservoirs and dams in New York

• "Amawalk Reservoir". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2009-05-04.

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