Hil410 Reservoir Report
Nearby: Mosaic Csa F4a Mosaic Csa F4b
Last Updated: December 25, 2025
Hil410 is a privately owned dam located in Hillsborough, Florida, specifically in the city of Plant City.
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Summary
This earth dam, standing at a height of 7 feet and with a length of 17,119 feet, serves the primary purpose of tailings management. It has a storage capacity of 19,449.6 acre-feet, with a normal storage level of 14,911.36 acre-feet and a surface area of 648 acres. The dam is regulated by the Florida Department of Environmental Protection (FDEP), with permitting, inspection, and enforcement all handled by the state agency.
Despite being classified as having an undetermined hazard potential and not being rated for its condition assessment, Hil410 remains an essential piece of infrastructure for managing tailings in the region. The dam has not undergone any modifications since its completion, and information on emergency preparedness, such as the existence of an emergency action plan (EAP) or inundation maps, is currently unavailable. The risk assessment, risk management measures, and other related details are also not documented for this dam. With its proximity to the UNNAMED POND river or stream, Hil410 plays a crucial role in water resource management in the area.
For water resource and climate enthusiasts, Hil410 presents an intriguing case study of a privately owned dam in Florida that plays a significant role in tailings management. Despite lacking certain key safety assessments and emergency preparedness plans, the dam continues to function within state regulatory guidelines. As discussions around dam safety and climate resilience continue to grow, monitoring and assessing structures like Hil410 will be crucial in ensuring the sustainable management of water resources in the region.
Dam Length |
17119 |
Dam Height |
7 |
River Or Stream |
UNNAMED POND |
Primary Dam Type |
Earth |
Surface Area |
648 |
Nid Storage |
19449.6 |
Hazard Potential |
Undetermined |
Nid Height |
7 |
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.
Hil410