Hercules Lake 3 Reservoir Report
Nearby: Hercules Lake 1 Hercules Lake 2
Last Updated: December 15, 2025
Hercules Lake 3, located in Nassau, Florida, is a privately owned water resource with a primary purpose of fire protection, stock, or small fish pond, as well as recreation.
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Summary
The earth dam, standing at a height of 15 feet and a length of 400 feet, was completed in 1970 and has a storage capacity of 51 acre-feet. This low hazard potential structure on Pigeon Creek is regulated by the state of Florida, with permitting, inspection, and enforcement processes in place to ensure its safety and functionality.
Despite its relatively small surface area of 3 acres and drainage area of 0 acres, Hercules Lake 3 plays a crucial role in providing water for fire protection and supporting recreational activities in the area. With a low hazard potential and a not yet rated condition assessment, this water resource remains a valuable asset to the community. The dam has not been modified in recent years, and there are no associated structures or emergency action plans in place, indicating a need for further evaluation and risk assessment to ensure its long-term sustainability and safety for both humans and wildlife.
As water resource and climate enthusiasts, it is important to monitor and assess structures like Hercules Lake 3 to understand their impact on the surrounding environment and their potential vulnerabilities to changing climate conditions. By staying informed about the condition and regulatory oversight of such dams, we can work towards sustainable water management practices that prioritize safety, environmental conservation, and community resilience in the face of a changing climate.
Year Completed |
1970 |
Dam Length |
400 |
Dam Height |
15 |
River Or Stream |
PIGEON CREEK |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
15 |
Nid Storage |
51 |
Structural Height |
15 |
Hazard Potential |
Low |
Nid Height |
15 |
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.
Hercules Lake 3
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