Mathis Lake Dam Reservoir Report

Last Updated: December 5, 2025

Mathis Lake Dam, located in Statesville, North Carolina, is a private earth dam on Brushy Creek with a primary purpose of recreation.


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Summary

This dam has a hydraulic height of 27 feet and a structural height of 39.5 feet, providing a storage capacity of 70 acre-feet. The dam serves as a vital resource for water enthusiasts, offering a surface area of 5 acres for recreational activities such as boating, fishing, and wildlife observation.

Managed by the North Carolina Department of Environmental Quality, Dam Safety Program, Mathis Lake Dam is regularly inspected and regulated to ensure public safety. The dam has a high hazard potential, but its current condition assessment is deemed fair. The last inspection in January 2020 confirmed its structural integrity, with an inspection frequency of every 2 years. In the event of an emergency, the dam has an Emergency Action Plan (EAP) prepared to guide response efforts and protect downstream communities.

With its picturesque location and vital role in water resource management, Mathis Lake Dam provides a valuable recreational and environmental asset to the community. As an essential component of the local ecosystem, the dam supports a diverse range of aquatic habitats and wildlife species. Water and climate enthusiasts can appreciate the significance of Mathis Lake Dam in balancing human recreation with environmental conservation, ensuring a sustainable future for generations to come.

Dam Length

290

River Or Stream

Brushy Creek

Primary Dam Type

Earth

Surface Area

5

Hydraulic Height

27

Drainage Area

113

Nid Storage

70

Structural Height

39.5

Hazard Potential

High

Nid Height

40
       
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.