Old Croton Dam
Site of Old Croton Dam
The Old Croton Dam lies submerged in the New Croton Reservoir
|Location||S of Yorktown Heights on NY 129, Yorktown, New York|
|Area||110 acres (45 ha)|
|Architect||John B. Jervis; Multiple|
|NRHP reference #||73001289 |
|Added to NRHP||June 19, 1973|
The Old Croton Dam is a historic dam located in Yorktown, Westchester County, New York, now lying submerged beneath the waters of the New Croton Reservoir. The dam was built on the Croton River between 1837 and 1842, and was the first substantial masonry dam in the United States. Construction was delayed by a January 1841 storm that washed away most of the dam, with heavy downstream damage and loss of life.
The gravity dam constructed with a rubble core and granite ashlar foundation, it was 57 feet (17 m) high and 670 feet (200 m) long. The dam impounded water from the Croton River watershed, forming a reservoir several miles long to the northeast along the path of the Croton River. Water flowed to New York City through the Old Croton Aqueduct, which starts just upstream of the dam and carries water down the Croton River valley toward the Hudson River, and roughly follows the Hudson south.
The dam and aqueduct constitute a major part of the original New York City water supply system. The New Croton Aqueduct opened in 1890, augmenting the original until supply from the Delaware and Catskill Aqueducts was sufficient to take it off line in 1955. When the New Croton Dam was completed in 1906, the old dam was submerged to a depth of 34 feet (10 m).
- National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service.
- Fyfe, Joan J. (Fall 2004). "Preserve the Past - Enlighten the Future" (PDF). Yorktown Historical Society. Retrieved 2011-11-03.
- "Croton Water Supply System". ASCE Metropolitan Section. Retrieved 2016-11-12.
- Tompkins, Christopher R. (2000). The Croton Dams and Aqueduct. Images of America. Charleston, SC: Arcadia Publishing. p. 8. ISBN 0-7385-0455-6.
- "Cultural Resource Information System (CRIS)" (Searchable database). New York State Office of Parks, Recreation and Historic Preservation. Retrieved 2016-08-01. Note: This includes Rennenkampf, Lenore M. (April 1973). "National Register of Historic Places Registration Form: Site of Old Croton Dam" (PDF). Retrieved 2016-08-01. and Accompanying four photographs
- Lange, Robie S. (October 1991). "National Register of Historic Places Registration Form" (PDF). National Park Service. Retrieved 2011-11-03.
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