Lyons Pond Dam Reservoir Report
Nearby: Oriskany Falls Dam Leland Pond Dam
Last Updated: December 7, 2025
Lyons Pond Dam, located in Oriskany Falls, New York, is a privately owned structure regulated by the NYS DEC.
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Summary
Built in 1917, this masonry dam stands at a height of 14 feet and spans 100 feet in length, with a storage capacity of 215 acre-feet. The dam serves as a crucial component in managing the water resources of the tributary to ORISKANY CREEK, providing a surface area of 2.6 acres and facilitating a drainage area of 0.48 square miles.
With a spillway width of 24 feet and an uncontrolled spillway type, Lyons Pond Dam has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. Despite its moderate risk level, the dam has not been assigned a DSAC assessment date, and there are no specific risk management measures outlined for the structure. While the dam does not fall under the jurisdiction of the US Army Corps of Engineers, it is subject to state regulations, permitting, inspection, and enforcement, highlighting its importance in ensuring safety and sustainability in water resource management.
For water resource and climate enthusiasts, Lyons Pond Dam stands as a historic and essential feature in the landscape of Madison, New York. Its role in managing water storage and flow, while maintaining a low hazard potential, underscores the significance of proper maintenance and regulatory oversight in safeguarding our valuable water resources. As discussions around climate change and water scarcity continue to grow, structures like Lyons Pond Dam serve as vital components in our efforts to adapt and mitigate the impacts of a changing climate on our water systems.
Year Completed |
1917 |
Dam Length |
100 |
Dam Height |
14 |
River Or Stream |
trib to ORISKANY CREEK |
Primary Dam Type |
Masonry |
Surface Area |
2.6 |
Drainage Area |
0.48 |
Nid Storage |
215 |
Hazard Potential |
Low |
Nid Height |
14 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Lyons Pond Dam
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