Crescent - Dam B, located in Cohoes, New York, is a state-owned concrete dam completed in 1912 for hydroelectric purposes on the Mohawk River.
Wind
Humidity
With a height of 33 feet and a length of 537 feet, it has a NID storage capacity of 70,000 acre-feet and a normal storage capacity of 50,000 acre-feet, serving as a vital resource for water supply and navigation in the region. The dam's spillway, measuring 537 feet wide, is uncontrolled, with a maximum discharge capacity of 548,300 cubic feet per second.
Managed by the Federal Energy Regulatory Commission, Crescent - Dam B is inspected regularly to ensure its structural integrity and safety. Classified with a high hazard potential and moderate risk assessment, the dam's emergency action plan was last revised in December 2017. While the dam has not been assessed for its current condition, it remains a critical infrastructure supporting the hydroelectric needs of the area. For water resource and climate enthusiasts, Crescent - Dam B offers a fascinating glimpse into the intersection of engineering, energy production, and environmental stewardship along the Mohawk River.
Year Completed |
1912 |
Dam Length |
537 |
Dam Height |
33 |
River Or Stream |
Mohawk River |
Primary Dam Type |
Concrete |
Surface Area |
1.2 |
Drainage Area |
3453 |
Nid Storage |
70000 |
Outlet Gates |
Tainter (radial) - 1 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
33 |
Mohawk River At Cohoes Ny
|
2240cfs |
Hudson River At Lock 1 Near Waterford Ny
|
4430cfs |
Hudson R Above Lock 1 Nr Waterford Ny
|
3210cfs |
Hudson River At Green Island Ny
|
4590cfs |
Normans Kill At Albany Ny
|
82cfs |
Glowegee Creek At West Milton Ny
|
16cfs |