Willow Pond Farm Dam Reservoir Report

Last Updated: December 5, 2025

Willow Pond Farm Dam, located in Fauquier, Virginia, is a privately owned earth dam that serves primarily for recreational purposes.


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Summary

With a height of 23.5 feet and a storage capacity of 32.1 acre-feet, this dam poses a significant hazard potential but is currently assessed to be in satisfactory condition. The dam, completed by Bohler Engineering, LLC and pXp Consultants, LLC, impounds the West Branch Thumb Run, creating a serene 4-acre pond that is a haven for water resource and climate enthusiasts.

Despite being a privately owned structure, Willow Pond Farm Dam is not regulated by the state and does not require permits, inspections, or enforcement. The dam has not been modified since its completion, and its last inspection in March 2018 confirmed its satisfactory condition. While there are no associated structures or federal agency involvements with this dam, its proximity to the Baltimore District and the West Branch Thumb Run adds to its allure for those interested in water resource management and climate conservation. The dam offers a unique opportunity for recreation and relaxation in the picturesque Virginia countryside.

For water resource and climate enthusiasts, Willow Pond Farm Dam is a hidden gem in Fauquier, Virginia, offering a peaceful retreat and a glimpse into earth dam construction and management. With its serene pond, surrounding landscape, and historical significance, this privately owned dam provides a fascinating case study for those interested in the intersection of water management, recreational use, and environmental stewardship. As a significant hazard potential structure with a satisfactory condition assessment, Willow Pond Farm Dam showcases the importance of proactive monitoring and maintenance in ensuring the safety and sustainability of water resources in the region.

Dam Length

900

Dam Height

23.5

River Or Stream

West Branch Thumb Run

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

23.5

Drainage Area

0.78

Nid Storage

32.1

Structural Height

23.5

Hazard Potential

Significant

Nid Height

24
       
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.
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Area Campgrounds