Lithium Corp Lagoon D Reservoir Report

Last Updated: December 6, 2025

Lithium Corp Lagoon D, located in Gastonia, North Carolina, is a private tailings dam with a primary purpose of storing tailings material.


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Summary

The dam is of Earth type with a hydraulic height of 25 feet and a structural height of 40 feet, providing a storage capacity of 330 acre-feet. With a surface area of 20.6 acres, this significant hazard potential dam poses a risk to the surrounding area in the event of a breach.

Despite being non-federally regulated, Lithium Corp Lagoon D has undergone inspections, with the last assessment conducted in May 2019. The condition of the dam is currently not rated, raising concerns about its structural integrity and the potential risks it may pose. Given its proximity to the Long Creek-Tr river, the dam's significance in the local ecosystem and water resources management cannot be overlooked.

For water resource and climate enthusiasts, the presence of Lithium Corp Lagoon D serves as a reminder of the importance of proper dam management and maintenance. With the potential environmental impact of a dam failure in mind, ongoing monitoring and evaluation of this structure are crucial to ensure the safety of the surrounding community and the preservation of water resources in Gaston, North Carolina.

River Or Stream

Long Creek-Tr

Primary Dam Type

Earth

Surface Area

20.6

Hydraulic Height

25

Nid Storage

330

Structural Height

40

Hazard Potential

Significant

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.