King William County Dam #8 Reservoir Report

Last Updated: December 5, 2025

King William County Dam #8 is a crucial water resource structure located in King William, Virginia, regulated by the Department of Conservation and Recreation.


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Summary

This dam stands at a height of 29.5 feet and has a storage capacity of 88.03 acre-feet, with a normal storage level of 64.79 acre-feet. Despite its importance in water management, the dam's hazard potential and condition assessment are currently labeled as undetermined and not rated, respectively.

Situated within the Norfolk District, King William County Dam #8 plays a vital role in the local water infrastructure but lacks specific details on its construction year, spillway type, and dam volume. The dam spans 340 feet in length, covering a surface area of 6.23 acres. While the inspection frequency is set at once per year, further assessments are needed to determine the overall risk assessment and management measures for this essential water resource facility.

For water resource and climate enthusiasts, King William County Dam #8 presents an intriguing case study in the management and regulation of dams in Virginia. With its location in a state-regulated jurisdiction and the involvement of federal agencies like the US Army Corps of Engineers, this dam serves as a focal point for understanding the complexities of maintaining and assessing critical infrastructure in the face of changing environmental conditions. As discussions around risk assessment and emergency preparedness continue, the future of King William County Dam #8 will be closely monitored to ensure its continued functionality and safety for the surrounding community.

Dam Length

340

Dam Height

29.5

Surface Area

6.23

Hydraulic Height

29.5

Nid Storage

88.03

Structural Height

29.5

Hazard Potential

Undetermined

Nid Height

30
       
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.