Vrasidas Dam Reservoir Report

Last Updated: December 6, 2025

Situated in Cherrytown, Ulster County, New York, the Vrasidas Dam stands as a testament to engineering excellence, with a primary purpose of serving as a recreational spot for enthusiasts.


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Summary

Completed in 1947, this concrete structure spans 200 feet in length and reaches 12 feet in height, holding a storage capacity of 4 acre-feet. Despite its age, the dam remains a significant structure in the region, with a spillway width of 20 feet and an uncontrolled spillway type.

The Vrasidas Dam, overlooking the picturesque Mombaccus Creek, is state-regulated and subject to regular inspections to ensure its structural integrity. However, recent assessments have indicated a poor condition, coupled with a significant hazard potential, prompting the need for risk management measures. While the dam's risk assessment falls under a moderate category, efforts are underway to enhance its safety protocols and emergency preparedness to mitigate any potential threats to the surrounding environment and communities. As a key component of the local water resource infrastructure, the Vrasidas Dam plays a crucial role in balancing water management needs with recreational opportunities in the region.

Year Completed

1947

Dam Length

200

Dam Height

12

River Or Stream

MOMBACCUS CREEK

Primary Dam Type

Concrete

Surface Area

1

Drainage Area

1.02

Nid Storage

4

Hazard Potential

Significant

Nid Height

12
       
Seasonal Comparison

Weather Forecast

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.