Wimbish Lake Dam Reservoir Report

Last Updated: December 5, 2025

Wimbish Lake Dam, located in Asbury, North Carolina, is a private earth dam that was completed in 1955 for recreational purposes.


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Summary

The dam stands at a hydraulic height of 17.1 feet and a structural height of 19.4 feet, with a length of 364 feet. It has a normal storage capacity of 42 acre-feet and a maximum storage capacity of 50 acre-feet, serving as a popular spot for outdoor activities such as fishing and boating on its 13-acre surface area.

Despite being classified as having a low hazard potential and being in satisfactory condition as of the last inspection in 2014, the dam does not fall under state regulation or permitting. It is owned by a private entity and is inspected by the state, but not regulated or enforced by any state agency. The Little River-Tr flows through the area, providing a picturesque backdrop for visitors to enjoy the recreational amenities offered by Wimbish Lake Dam.

With its serene setting and ample recreational opportunities, Wimbish Lake Dam is a hidden gem in Randolph County, North Carolina. While it may not be subject to strict state oversight, the dam continues to provide a safe and enjoyable environment for water resource and climate enthusiasts to appreciate the beauty of nature and engage in outdoor activities in the heart of the Tar Heel State.

Year Completed

1955

Dam Length

364

River Or Stream

Little River-Tr

Primary Dam Type

Earth

Surface Area

13

Hydraulic Height

17.1

Drainage Area

77

Nid Storage

50

Structural Height

19.4

Hazard Potential

Low

Nid Height

19
       
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.