Peacock Dam Reservoir Report

Last Updated: December 5, 2025

Peacock Dam, located in Wake County, North Carolina, is a privately owned structure with a primary purpose of recreation.


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Summary

This earth-type dam stands at a hydraulic height of 12 feet and a structural height of 16 feet, with a length of 440 feet. The dam has a storage capacity of 132 acre-feet, providing a surface area of 15 acres for recreational activities such as boating and fishing in the Lake Benson-Os.

Despite its fair condition assessment and high hazard potential, Peacock Dam is regularly inspected by the North Carolina Dam Safety Program to ensure its safety and compliance with state regulations. The last inspection, conducted in December 2020, deemed the dam to be in fair condition. With a history of state regulation, permitting, and enforcement, Peacock Dam remains a vital resource for both water management and climate enthusiasts in the region.

As a key component of the local water infrastructure, Peacock Dam plays a crucial role in providing recreational opportunities while also managing water resources effectively. Climate and water resource enthusiasts can appreciate the importance of maintaining and monitoring this dam to ensure its continued safety and functionality for the community and ecosystem it serves in Wake County, North Carolina.

Dam Length

440

River Or Stream

Lake Benson-Os

Primary Dam Type

Earth

Surface Area

15

Hydraulic Height

12

Nid Storage

132

Structural Height

16

Hazard Potential

High

Nid Height

16
       
Seasonal Comparison

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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.