Bomac Lake Dam Reservoir Report
Nearby: Caneadea Dam Rockville Lake Dam
Last Updated: December 6, 2025
Bomac Lake Dam, also known as Allen Lake, is a state-owned structure located in Belfast, Allegany, New York.
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Summary
Completed in 1957, this earth dam serves primarily for recreational purposes, offering a peaceful retreat for water resource and climate enthusiasts. With a height of 22 feet and a length of 1650 feet, the dam holds a storage capacity of 541 acre-feet, providing a surface area of 58 acres for recreational activities.
Situated on TR-WIGWAM CREEK, Bomac Lake Dam is regulated by the NYS DEC and undergoes regular state inspections and enforcement measures to ensure its safety and functionality. The dam features an uncontrolled spillway with a width of 120 feet and a low hazard potential rating. While the condition of the dam is currently not rated, the risk assessment classifies it as moderate, emphasizing the importance of continued monitoring and risk management measures to safeguard the surrounding area.
Despite its low hazard potential, Bomac Lake Dam remains a key recreational resource in the region, attracting visitors with its serene atmosphere and picturesque surroundings. As a state-regulated structure, the dam plays a vital role in water management and conservation efforts, highlighting the intersection of human-made infrastructure with natural ecosystems. For water resource and climate enthusiasts, Bomac Lake Dam offers a glimpse into the balance between recreational enjoyment and environmental stewardship in the heart of New York.
Year Completed |
1957 |
Dam Length |
1650 |
Dam Height |
22 |
River Or Stream |
TR-WIGWAM CREEK |
Primary Dam Type |
Earth |
Surface Area |
58 |
Drainage Area |
0.27 |
Nid Storage |
541 |
Hazard Potential |
Low |
Nid Height |
22 |
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.
Bomac Lake Dam