Timsbury South Dam Reservoir Report

Last Updated: December 6, 2025

Timsbury South Dam, located in Chesterfield, Virginia, is a vital earth dam that plays a crucial role in managing the water resources of the tributary Timsbury Creek.


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Summary

With a height of 22 feet and a length of 1100 feet, this dam has a storage capacity of 125 acre-feet, providing essential water storage for the surrounding area. The dam is regulated by the Department of Conservation and Recreation, ensuring proper inspection, enforcement, and permitting to maintain its structural integrity.

Despite its undetermined hazard potential and not being currently rated for condition assessment, Timsbury South Dam remains an important infrastructure for water resource management in the region. The dam's emergency action plan and risk management measures are still to be fully prepared, indicating a need for further evaluation and preparation. With A. Donald McEachin (D) as the representative for the area, there is a push for continued monitoring and improvement of the dam's safety and functionality to adapt to changing climate conditions.

As water resource and climate enthusiasts, the data behind Timsbury South Dam highlights the ongoing efforts and challenges in managing and maintaining critical infrastructure in the face of climate change. The dam's role in providing water storage and flood control underscores the importance of proactive monitoring and risk management to ensure the safety and resilience of water resources in the region. As discussions on water resource management and climate adaptation continue, the insights provided by Timsbury South Dam serve as a reminder of the complex interplay between infrastructure, regulation, and environmental factors in safeguarding our water supply for the future.

Dam Length

1100

Dam Height

22

River Or Stream

trib. Timsbury Creek

Hydraulic Height

22

Nid Storage

125

Structural Height

22

Hazard Potential

Undetermined

Nid Height

22
       
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.