Water Oak Lake Dam Reservoir Report

Last Updated: December 5, 2025

Water Oak Lake Dam, also known as Sullivan Erosion Lake Dam, is a private earth dam located in Lincoln, Georgia.


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Summary

Built in 1981 by the Soil Conservation Service (SCS), this dam serves primarily for irrigation purposes. Standing at a height of 23.7 feet and with a length of 375 feet, it has a storage capacity of 102 acre-feet and covers a surface area of 8 acres.

Despite being unregulated by the state, Water Oak Lake Dam is inspected periodically, with the last assessment conducted in 1988. Its hazard potential is considered low, but the risk assessment indicates a moderate level of risk. The dam features an uncontrolled spillway and outlet gates, with no associated locks. While the condition assessment is marked as "Not Rated," the dam's risk management measures and emergency action plan status remain unspecified. Water resource and climate enthusiasts may find interest in the unique design and purpose of this dam, situated within the Savannah District of Georgia.

Overall, Water Oak Lake Dam presents an intriguing case study for those interested in water resource management and dam infrastructure. Its historical significance, private ownership, and specific irrigation purpose make it a focal point for understanding regional water management in Georgia. With its moderate risk level and low hazard potential, the dam's condition and management practices could offer valuable insights into sustainable water resource utilization and climate resilience strategies in the region.

Year Completed

1981

Dam Length

375

Dam Height

23.7

River Or Stream

UNKNOWN

Primary Dam Type

Earth

Surface Area

8

Drainage Area

208

Nid Storage

102

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

24
       
Seasonal Comparison

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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.