Skaneateles Lake Dam Reservoir Report

Last Updated: December 6, 2025

Skaneateles Lake Dam, located in Skaneateles, New York, stands as a vital structure serving both recreational and water supply purposes.


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Summary

Completed in 1902, this masonry dam boasts a height of 22 feet and a length of 150 feet, with a storage capacity of 160,000 acre-feet. Situated on Skaneateles Creek, the dam plays a crucial role in regulating water flow and maintaining the reservoir's normal storage of 141,000 acre-feet, covering a surface area of 8,664 acres.

Despite its age, the dam has received a satisfactory condition assessment as of August 2019, with a high hazard potential attributed to its design and location. Regular inspections every two years ensure the structure's integrity and safety, with emergency action plans in place to mitigate risks in case of unforeseen events. With a moderate risk assessment rating, the dam continues to be a focal point for water resource management and climate enthusiasts, highlighting the importance of infrastructure maintenance in safeguarding communities and ecosystems.

Under the jurisdiction of the New York State Department of Environmental Conservation, Skaneateles Lake Dam stands as a testament to engineering excellence and responsible stewardship. Its presence not only supports recreational activities but also ensures a reliable water supply for the surrounding area. As water resources face increasing pressures from climate change, the role of dams like Skaneateles Lake Dam becomes even more critical in preserving water quality, regulating flow, and mitigating potential risks for downstream communities.

Year Completed

1902

Dam Length

150

Dam Height

22

River Or Stream

SKANEATELES CREEK

Primary Dam Type

Masonry

Surface Area

8664

Drainage Area

72

Nid Storage

160000

Hazard Potential

High

Nid Height

22
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.