The New York State Dam, also known as the Champlain Street Dam, is a historic structure located in Cohoes, New York, along the Mohawk River.
Wind
Humidity
Built in 1840, this concrete gravity dam stands at a height of 21 feet and has a length of 1950 feet. It serves primarily for hydroelectric purposes and has a storage capacity of 275 acre-feet. The dam has a low hazard potential and a moderate risk assessment rating.
Owned by the state of New York, the New York State Dam is not regulated by the state but is inspected regularly by the Federal Energy Regulatory Commission. The dam's spillway, with a width of 1446 feet, is uncontrolled, allowing for a maximum discharge of 38,000 cubic feet per second. The surrounding area has a drainage area of 3462 square miles, making it a crucial resource for water management and flood protection in the region.
With its historical significance and essential role in hydroelectric power generation, the New York State Dam stands as a testament to the state's commitment to water resource management. As climate change continues to impact water availability and infrastructure resilience, the maintenance and monitoring of dams like this one are critical to ensuring the safety and sustainability of water resources for future generations.
Year Completed |
1840 |
Dam Length |
1950 |
Dam Height |
21 |
River Or Stream |
Mohawk River |
Primary Dam Type |
Concrete |
Surface Area |
27.7 |
Drainage Area |
3462 |
Nid Storage |
275 |
Hazard Potential |
Low |
Foundations |
Rock |
Nid Height |
21 |
Mohawk River At Cohoes Ny
|
2440cfs |
Hudson River At Green Island Ny
|
3650cfs |
Hudson River At Lock 1 Near Waterford Ny
|
4430cfs |
Hudson R Above Lock 1 Nr Waterford Ny
|
4840cfs |
Normans Kill At Albany Ny
|
500cfs |
Valatie Kill Near Nassau Ny
|
24cfs |