Long Sault is a concrete gravity dam located on the St.
Wind
Humidity
Lawrence River in Cornwall, New York. Completed in 1958, this hydroelectric structure stands at 104 feet in height and has a hydraulic height of 81 feet, with a structural height of 132 feet. The dam's primary purpose is for hydroelectric power generation and navigation, making it a crucial infrastructure for water resource management in the area.
With a normal storage capacity of 750,000 acre-feet and a maximum discharge of 1,250,000 cubic feet per second, Long Sault plays a significant role in regulating water flow and providing renewable energy to the region. The dam has a high hazard potential, emphasizing the importance of regular inspections and emergency preparedness. Although the condition assessment is not available, the Federal Energy Regulatory Commission oversees the dam's operations and inspections to ensure its safety and reliability.
Overall, Long Sault serves as a vital component of the water resource infrastructure in New York, contributing to water management, energy generation, and navigation along the St. Lawrence River. As a concrete multi-arch dam with a controlled spillway, it represents a key asset for climate enthusiasts and water resource professionals alike, highlighting the intersection of sustainable energy production and environmental stewardship in the region.
Year Completed |
1958 |
Dam Length |
2960 |
Dam Height |
104 |
River Or Stream |
St. Lawrence River |
Primary Dam Type |
Concrete |
Surface Area |
37500 |
Hydraulic Height |
81 |
Drainage Area |
300000 |
Nid Storage |
803000 |
Structural Height |
132 |
Outlet Gates |
Slide (sluice gate) - 30 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
132 |