Onondaga Dam, located in Onondaga Nation, New York, was completed in 1949 with the primary purpose of flood risk reduction along the Onondaga Creek.
Wind
Humidity
As a state-regulated dam with a height of 67 feet and a length of 2050 feet, it provides storage capacity of 48,400 acre-feet and has a maximum discharge capacity of 82,350 cubic feet per second. The dam has a surface area of 2500 acres and a drainage area of 68.1 square miles, making it a crucial structure for managing water resources in the region.
Despite its high hazard potential, the dam is in satisfactory condition, according to a 2017 assessment. The dam's emergency action plan is up to date, with regular inspections conducted every two years to ensure its integrity and safety. The spillway type for the dam is uncontrolled, with a width of 200 feet, further enhancing its ability to manage floodwaters effectively. With moderate risk assessment and enforcement by the New York State Department of Environmental Conservation, Onondaga Dam plays a vital role in safeguarding the surrounding area from potential flooding events and highlights the importance of proper water resource management in the face of changing climate conditions.
Year Completed |
1949 |
Dam Length |
2050 |
Dam Height |
67 |
River Or Stream |
ONONDAGA CREEK |
Primary Dam Type |
Earth |
Surface Area |
2500 |
Drainage Area |
68.1 |
Nid Storage |
48400 |
Hazard Potential |
High |
Nid Height |
67 |