Lake August Reservoir Report

Last Updated: December 5, 2025

Lake August in Highlands, Florida, is a private water resource regulated by the state with a primary purpose of recreation.


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Summary

This earth dam structure stands at 15 feet tall, with a hydraulic height of 12 feet and a structural height of 17 feet. The dam has a NID storage capacity of 1950 acre-feet and a maximum storage capacity of 1950 acre-feet, with a normal storage level of 1800 acre-feet.

Despite not being rated for its condition, Lake August has a significant hazard potential. The dam has not been inspected recently, and there is no emergency action plan in place. With a surface area of 150 acres, this reservoir provides ample space for recreational activities such as boating, fishing, and swimming.

Located in Placid Lakes, Lake August offers a serene escape for water resource and climate enthusiasts. While the dam poses a potential hazard, its recreational value and the surrounding natural beauty make it a must-visit destination in the Jacksonville District of Florida.

Dam Height

15

River Or Stream

LAKE AUGUST

Primary Dam Type

Earth

Surface Area

150

Hydraulic Height

12

Nid Storage

1950

Structural Height

17

Hazard Potential

Significant

Nid Height

17
       
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.