Petty Gulf Lake Dam Reservoir Report

Last Updated: December 5, 2025

Petty Gulf Lake Dam, located in Leon, Florida, is a privately owned structure designed for fire protection, stock, and small fish ponds, and recreation.


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Summary

Built in 1972, this earth dam stands at a height of 25 feet with a length of 1440 feet, providing a storage capacity of 233 acre-feet. Its primary purpose is for recreation, offering visitors a serene and picturesque setting to enjoy various water activities. Despite being categorized as low hazard potential, the dam has not been rated for its condition assessment, with the last inspection conducted in May 1994.

Situated on TR-Lake Iamonia, Petty Gulf Lake Dam is regulated by the state of Florida, with permitting, inspection, and enforcement measures in place to ensure its safety and compliance. The dam's location in Tallahassee adds to its appeal, attracting water resource and climate enthusiasts to explore and appreciate its environmental significance. While the dam has not undergone recent modifications or detailed risk assessments, it continues to serve its intended purposes effectively, offering a valuable recreational resource for the community. As a notable feature in the Savannah District, Petty Gulf Lake Dam remains a focal point for those interested in water conservation and climate-related discussions in the region.

Year Completed

1972

Dam Length

1440

Dam Height

25

River Or Stream

TR-LAKE IAMONIA

Primary Dam Type

Earth

Surface Area

25

Hydraulic Height

25

Nid Storage

233

Structural Height

22

Hazard Potential

Low

Nid Height

25
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.