Inman Brothers Lake Dam Reservoir Report

Last Updated: December 5, 2025

Inman Brothers Lake Dam, located in Guilford, North Carolina, is a private dam primarily used for recreation purposes.


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Summary

Standing at a hydraulic height of 22.8 feet and a structural height of 26.8 feet, this earth dam holds a normal storage capacity of 46 acre-feet and a maximum storage of 54 acre-feet. With a surface area of 5 acres and a drainage area of 40 square miles, the dam has a low hazard potential and is considered to be in satisfactory condition as of the last inspection in January 2015.

Managed by the North Carolina Dam Safety Program, the Inman Brothers Lake Dam is subject to state regulations and inspections to ensure its safety and compliance with environmental standards. The dam spans 297 feet in length and is situated on Mears Fork Creek-Tr, contributing to the scenic beauty of Altamahaw. Despite its remote location, the dam serves as a vital recreational spot for water resource and climate enthusiasts, offering opportunities for fishing, boating, and other outdoor activities.

With its serene surroundings and important role in providing recreational opportunities, Inman Brothers Lake Dam stands as a testament to the harmonious coexistence of human development and environmental conservation. As the dam continues to be monitored and maintained, it remains a valuable asset for the community, showcasing the importance of sustainable water resource management in the face of a changing climate.

Dam Length

297

River Or Stream

Mears Fork Creek-Tr

Primary Dam Type

Earth

Surface Area

5

Hydraulic Height

22.8

Drainage Area

40

Nid Storage

54

Structural Height

26.8

Hazard Potential

Low

Nid Height

27
       
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.