Sfm3 Mosaic Reservoir Report
Nearby: Sfm 5 - Mosaic Sfm5 Mosaic
Last Updated: December 5, 2025
Sfm3 Mosaic, located in Polk County, Florida, is a privately owned Earth dam completed in 1999 with a primary purpose of storing tailings.
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Summary
This dam, standing at 50 feet tall with a hydraulic height of 45 feet, is situated on the Peace River and has a storage capacity of 26,000 acre-feet. With a spillway width of 128 feet and a maximum discharge of 80 cubic feet per second, the dam is designed to handle controlled releases in case of overflow events.
Despite being regulated by the Florida Department of Environmental Protection and meeting state permitting and inspection requirements, Sfm3 Mosaic is classified as having a significant hazard potential with a very high risk assessment rating. The dam has not been rated for condition assessment and does not have an Emergency Action Plan (EAP) in place. The Mine Safety and Health Administration oversees regulatory and inspection activities related to the dam's operations, but there are no specific risk management measures outlined for this structure.
Water resource and climate enthusiasts may find Sfm3 Mosaic's design and operational details intriguing, especially given its location in a region prone to extreme weather events. The dam's significant hazard potential and high risk assessment highlight the importance of ensuring proper maintenance and emergency preparedness measures to mitigate potential impacts on the surrounding environment and communities. Further research and monitoring of this dam's condition and regulatory oversight could provide valuable insights into the intersection of water resource management and climate resilience in the area.
Year Completed |
1999 |
Dam Length |
19200 |
Dam Height |
50 |
River Or Stream |
PEACE RIVER |
Primary Dam Type |
Earth |
Surface Area |
536 |
Hydraulic Height |
45 |
Drainage Area |
0.84 |
Nid Storage |
26000 |
Structural Height |
53 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
53 |
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.
Sfm3 Mosaic