N-1 Settling Area Reservoir Report
Nearby: N1 Cf North Pc10 Payne Creek Mine
Last Updated: December 5, 2025
N-1 Settling Area in Fort Green, Florida, is a privately owned settling area used for tailings purposes.
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Summary
The earth dam, standing at a height of 35 feet, was completed in 1978 and has a storage capacity of 5400 acre-feet. The dam has a significant hazard potential and is regulated by the Mine Safety and Health Administration.
Located on Hickey Branch, the N-1 Settling Area is under the jurisdiction of the Florida Department of Environmental Protection, with state permitting, inspection, and enforcement in place. The dam, with a length of 11200 feet and a surface area of 154 acres, plays a crucial role in managing tailings and ensuring the safety of the surrounding area. Although the condition of the dam is currently not rated, its emergency action plan status and risk assessment measures are not specified.
With its strategic location and vital role in water resource management, N-1 Settling Area is a key infrastructure in Hardee County, Florida. As a site for tailings management, the dam provides essential storage capacity and flood control measures. The significant hazard potential of the dam underscores the importance of regular inspections and emergency preparedness to mitigate any potential risks to the environment and local communities.
Year Completed |
1978 |
Dam Length |
11200 |
Dam Height |
35 |
River Or Stream |
HICKEY BRANCH |
Primary Dam Type |
Earth |
Surface Area |
154 |
Hydraulic Height |
35 |
Nid Storage |
5400 |
Structural Height |
30 |
Hazard Potential |
Significant |
Nid Height |
35 |
Seasonal Comparison
Weather Forecast
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.
N-1 Settling Area