Port Leyden, also known as Port Leyden Lower Dam, is a privately owned hydroelectric facility located in Lewis, New York, along the Black River.
Wind
Humidity
Constructed in 1983 by International Engineering Co., this concrete dam stands at 31.5 feet tall and has a storage capacity of 150 acre-feet, serving the primary purpose of hydroelectric power generation. It is regulated by the New York State Department of Environmental Conservation and falls under the jurisdiction of the Federal Energy Regulatory Commission.
With a low hazard potential and moderate risk assessment rating, Port Leyden plays a crucial role in providing renewable energy while managing water resources effectively. The dam has a spillway width of 160 feet and a maximum discharge capacity of 18,500 cubic feet per second, contributing to the overall water management system in the region. Regular inspections and enforcement by state and federal agencies ensure the safety and reliability of this essential infrastructure for water resource and climate enthusiasts in the area.
Year Completed |
1983 |
Dam Length |
310 |
Dam Height |
31.5 |
River Or Stream |
Black River |
Primary Dam Type |
Concrete |
Surface Area |
23 |
Drainage Area |
429 |
Nid Storage |
150 |
Hazard Potential |
Low |
Foundations |
Rock |
Nid Height |
32 |