Pinewood Lake Dam Reservoir Report
Nearby: Beachville Dam Gary Mahany Pond Dam
Last Updated: December 6, 2025
Pinewood Lake Dam, located in Dansville, New York, is a privately owned earth dam completed in 1960 for recreational purposes.
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Summary
With a height of 32 feet and a length of 900 feet, the dam creates a serene 8-acre lake surrounded by natural beauty. The dam's primary purpose is recreation, providing a popular spot for fishing, boating, and enjoying the outdoors.
Managed by the New York State Department of Environmental Conservation, Pinewood Lake Dam is regulated, inspected, and enforced to ensure its safety and compliance with state guidelines. The dam has a significant hazard potential and a moderate risk assessment rating. With a maximum storage capacity of 85 acre-feet and a drainage area of 1.6 square miles, the dam plays a crucial role in water resource management in the area, while also offering a picturesque setting for outdoor enthusiasts and climate advocates to appreciate.
Visitors to Pinewood Lake Dam can enjoy its uncontrolled spillway, which has a width of 19 feet, and take in the beauty of the TR-Stony Brook river and stream it controls. Despite not having a formal condition assessment, the dam remains a popular destination for those seeking recreational activities in a natural setting. Overall, Pinewood Lake Dam stands as a testament to the intersection of water resource management, recreation, and climate consciousness in the heart of Steuben County, New York.
Year Completed |
1960 |
Dam Length |
900 |
Dam Height |
32 |
River Or Stream |
TR-STONY BROOK |
Primary Dam Type |
Earth |
Surface Area |
8 |
Drainage Area |
1.6 |
Nid Storage |
85 |
Hazard Potential |
Significant |
Nid Height |
32 |
Seasonal Comparison
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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.
Pinewood Lake Dam