The Muscoot River is a short

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of the

Croton River The Croton River ( ) is a river in southern New York with a watershed area of , and three principal tributaries: the West Branch, Middle Branch, and East Branch. Their waters, all part of the New York City water supply system, join downstr ...

in Putnam and Westchester counties in the state of

New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...

. Approximately long and running irregularly southeast, it lies within the

Croton River watershed ''This page is about the Croton River watershed, a hydrological feature. For the component of the New York City water supply system with a similar name, see'' Croton Watershed The Croton River watershed is the drainage basin of the Croton River ...

and is part of the

New York City water supply system The New York City water supply system is a combination of Aqueduct (water supply), aqueducts, reservoirs, and tunnels which supplies fresh water to New York City. With three major water systems (New Croton Aqueduct, Croton, Catskill Aqueduct, Ca ...

Croton Watershed The Croton Watershed is the New York City water supply system's name for its southernmost watershed and its infrastructure, an organized entity rather than a mere hydrological feature. Spanning large swaths of Putnam and Westchester counties ...

Path

The rivers headwaters form west of Kirk Lake, a

controlled lake A controlled lake is both a general and specific term to describe a body of water. In its general sense it describes a lake or reservoir which has its water level controlled by some form of dam. In the specific, it refers to three small lakes wi ...

in the

in the Putnam County hamlet of

Mahopac, New York Mahopac ( or ) is a hamlet (and census-designated place) in the town of Carmel in Putnam County, New York, United States. Also known as Lake Mahopac, the exurb is located some north of New York City, on U.S. Route 6 at the county's southern ce ...

, in the Town of Carmel. Approximately 0.8 mi. south they are joined by the outflow of Kirk Lake, and 0.2 mi. further south those of

Lake Mahopac Mahopac ( or ) is a hamlet (and census-designated place) in the town of Carmel in Putnam County, New York, United States. Also known as Lake Mahopac, the exurb is located some north of New York City, on U.S. Route 6 at the county's southern cent ...

at Red Mills. About 0.6 mi. south of this confluence the outflow of Lake MacGregor joins, and another 0.9 mi. or so further the flow of Secor Brook, an outfall from Lake Secor to the northwest. Heading slightly southeast the river crosses the Westchester County line approximately 2.0 mi. on, and continuing in that direction another on a convoluted path drains 2.75 mi. later into the

Amawalk Reservoir The Amawalk Reservoir is a reservoir in the New York City water supply system located in central-northern Westchester County, New York. Part of the system's Croton Watershed, it is located at the intersection of U.S. Route 202 and New York State ...

in the town of Somers. Upon leaving the Amawalk Reservoir via a spillway in the Amawalk Dam at the reservoir's southern end approximately 2.75 mi. later, the Muscoot is joined by Hallocks Mill Brook from the west 0.5 mi. downstream. Approximately 3.0 mi. later it flows into the northwestern reaches of the

Muscoot Reservoir The Muscoot Reservoir is a reservoir in the New York City water supply system in northern Westchester County, New York, located directly north of the village of Katonah. Part of the system's Croton Watershed, it is north of the City. History ...

west of Whitehall Corners and northwest of

Katonah, New York Katonah is a hamlet and census-designated place (CDP) within the town of Bedford, Westchester County, in the U.S. state of New York. The Katonah CDP had a population of 1,603 at the 2020 census. History Katonah is named for Chief Katonah, ...

, after a total course of somewhat under 13.0 miles. The waters of Muscoot Reservoir then join with those of the

New Croton Reservoir The New Croton Reservoir is a reservoir in Westchester County, New York, part of the New York City water supply system lying approximately north of New York City. It is the collecting point for water from all reservoirs in the Croton Watershed ...

before either being carried to New York City via the

New Croton Aqueduct The New Croton Aqueduct is an aqueduct in the New York City water supply system, carrying the waters of the Croton Watershed from the New Croton Dam in Westchester County, New York, to the Jerome Park Reservoir in the Bronx. Built roughly ...

or, in times of surplus, over the spillway at the

New Croton Dam The New Croton Dam is a masonry gravity dam forming the New Croton Reservoir, both parts of the New York City water supply system. It stretches across the Croton River near Croton-on-Hudson, New York, about north of New York City. Construction ...

and into the

, then carried into the

Hudson River The Hudson River, historically the North River, is a river that flows from north to south largely through eastern New York (state), New York state. It originates in the Adirondack Mountains at Henderson Lake (New York), Henderson Lake in the ...

Croton-on-Hudson Croton-on-Hudson ( ) is a village in Westchester County, New York, United States. The population was 8,327 at the 2020 United States census over 8,070 at the 2010 census. It is located in the town of Cortlandt as part of New York City's northern ...

Croton Point Croton Point Park is a Westchester County park in the village of Croton-on-Hudson. The park has several public attractions including a miniature aircraft airport, boat launch, tent and RV camping, cabin rental, cross-country skiing, fishing, gr ...

about north of New York City.

Notes

References

Rivers of New York (state) Rivers of Westchester County, New York Rivers of Putnam County, New York Tributaries of the Hudson River {{NewYork-river-stub

Path

See also

Notes

References