Boyds Corner Reservoir facts for kids
Quick facts for kids Boyds Corner Reservoir |
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 Boyds Corner Reservoir
Location in New York Adirondack Park
Boyds Corner Reservoir
Location in the United States
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| Location | Kent, New York |
| Coordinates | 41°27′31″N 73°45′04″W / 41.4587°N 73.7511°W |
| Type | reservoir |
| Primary inflows | West Branch of the Croton River |
| Primary outflows | West Branch of the Croton River |
| Catchment area | 22 sq mi (57 km2) |
| Basin countries | United States |
The Boyds Corner Reservoir is a small reservoir in Putnam County, New York. It is in the town of Kent, New York, and is about 50 miles (80 kilometers) north of New York City. It is the northernmost reservoir in the Croton River watershed, but is not part of the New York City water supply system's Croton Watershed. and was formed by impounding the middle of the West Branch of the Croton River, submerging the village of Boyds Corner.
History
Completed in 1872, the Boyds Corner Dam saw the use of concrete in dam construction for the first time since the Ancient Romans. It was put into service in 1873, 78 feet high, making the Boyds Corner Reservoir the City's second oldest, after the New Croton Reservoir. Originally constructed as part of the City's Croton Watershed system, Boyds Corner today serves mainly as part of the Catskill/Delaware water supply system.
The Boyds Corner watershed drainage basin is 22 square miles (57 km2) long and a mere 1.5 miles (2.4 km) wide, and includes the headwaters of the West Branch of the Croton River. It spans portions of the Towns of Carmel and Putnam Valley in Putnam County, and East Fishkill in Dutchess County.
The reservoir can hold 1.7 billion US gallons (6,400,000 m3). This makes it one of the smaller in New York City's water supply system. Water from Boyds Corner flows briefly into the West Branch of the Croton River, then continues southeast to enter the West Branch Reservoir, where it mixes with water carried from the Rondout Reservoir west of the Hudson River by the Delaware Aqueduct.
Water from the West Branch Reservoir then continues via the aqueduct on to the Kensico Reservoir, which also receives a supply from the Catskill system through the Catskill Aqueduct. After settling at Kensico, the water flows through two aqueducts to the Hillview Reservoir in Yonkers, where it enters the City's distribution system.
Any water in excess of New York City's needs at the West Branch Reservoir is diverted over a spillway back into the West Branch of the Croton River, whence it becomes part of the City's Croton Watershed. It is then mixed with water from the Middle Branch of the Croton River at the Croton Falls Reservoir. Flow then briefly returns to the West Branch of the Croton River before reaching a confluence with the Croton River proper. This continues southwest to the New Croton Reservoir. Any water in excess of the City's needs there then goes over the New Croton Dam back into the Croton River, where it carried until discharging into the Hudson River at Croton-on-Hudson, New York.
After the Teton Dam failure on the Snake River in Idaho, it was ordered that all dams in the United States be inspected for weaknesses and deterioration. In the 1980s it was discovered that the hundred-plus year-old Boyds Corner Dam was needed to be replaced. In spite of opposition by those who believed the dam was in good condition, it was dismantled and the basin stood empty until the new dam was completed in 1990 and the reservoir refilled to capacity . The reconstruction included the addition of a new spillway with a 6.1m wide flip bucket in the central dam section and the use of post-tensioned anchors to increase dam stability.
