Four Seam Slurry Dam Reservoir Report
Last Updated: December 5, 2025
Four Seam Slurry Dam, located in Hazard, Kentucky, is a privately-owned earth dam primarily used for tailings storage.
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Summary
Standing at a height of 410 feet and stretching 1780 feet in length, this dam has a storage capacity of 10,684 acre-feet. Managed by the Mine Safety and Health Administration, the dam is classified as having a high hazard potential, although its current condition assessment is not available.
Despite being a privately owned structure, Four Seam Slurry Dam is not regulated or inspected by the state of Kentucky. It falls under the jurisdiction of the Mine Safety and Health Administration, which oversees its operations and conducts inspections. The dam's emergency action plan status, risk assessment, and risk management measures are currently not available, leaving some uncertainty about its preparedness for potential hazards.
Enthusiasts interested in water resources and climate change may find Four Seam Slurry Dam intriguing due to its significant size and high hazard potential. The lack of available information on its condition and emergency preparedness raises questions about its resilience in the face of climate-related challenges. Further research and monitoring of this dam could provide valuable insights into the intersection of water management, infrastructure safety, and climate adaptation strategies.
Dam Length |
1780 |
Dam Height |
410 |
Primary Dam Type |
Earth |
Nid Storage |
10684 |
Hazard Potential |
High |
Nid Height |
410 |
Seasonal Comparison
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Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Four Seam Slurry Dam