Rockland Mine S-1 Reservoir Report
Nearby: Usac Gypstack Nw Cell
Last Updated: December 5, 2025
Rockland Mine S-1 is a privately owned earth dam located in Fort Meade, Florida.
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Summary
Built in 1967, this dam serves the primary purpose of containing tailings and has a maximum storage capacity of 7980 acre-feet. With a height of 40 feet and a length of 12019 feet, Rockland Mine S-1 impounds an unnamed pond in Polk County, Florida.
Despite its low hazard potential, Rockland Mine S-1 is regulated by the state of Florida and undergoes regular inspections, permitting, and enforcement to ensure its structural integrity and compliance with safety standards. The dam has not been rated for its condition assessment, but it meets the necessary guidelines for emergency action planning and risk management. The surrounding area covers a surface area of 92 acres with no drainage area, indicating the dam's primarily local impact on water resources.
Overall, Rockland Mine S-1 represents an important piece of infrastructure for managing tailings in the region, contributing to the water resource management efforts in Florida. With its history of construction dating back to the late 1960s, this dam serves as a valuable asset for both the local community and environmental conservationists interested in monitoring climate and water-related developments in the area.
Year Completed |
1967 |
Dam Length |
12019 |
Dam Height |
40 |
River Or Stream |
UNNAMED POND |
Primary Dam Type |
Earth |
Surface Area |
92 |
Hydraulic Height |
40 |
Nid Storage |
7980 |
Structural Height |
35 |
Hazard Potential |
Low |
Nid Height |
40 |
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.
Rockland Mine S-4