Turnipseed Lake Dam Reservoir Report

Last Updated: December 13, 2025

Turnipseed Lake Dam, also known as Monroe Lake Dam, is a private structure situated in Douglas County, Georgia, specifically in the city of Chapel Hill.


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Summary

Completed in 1930, this concrete dam stands at a height of 20 feet and spans a length of 200 feet, holding a storage capacity of 110 acre-feet for recreational purposes. Its primary purpose is to provide a scenic water resource for visitors to enjoy, surrounded by a surface area of 21.6 acres and fed by Anneewakee Creek.

Despite being privately owned, Turnipseed Lake Dam falls under state jurisdiction and is subject to regular inspections to ensure its structural integrity and safety. With a low hazard potential and a moderate risk assessment rating, the dam's condition is currently not rated, but it meets guidelines for emergency action plans. While it lacks certain federal agency oversight, the dam remains a notable feature in the region, offering both recreational opportunities and a glimpse into Georgia's water resource management practices.

For water resource and climate enthusiasts, Turnipseed Lake Dam presents a unique case study of a privately owned recreational structure in a state-regulated environment. With its historical significance and moderate risk assessment, the dam serves as a reminder of the importance of regular inspections and emergency preparedness in maintaining the integrity of water infrastructure. Its location in Douglas County, Georgia, offers a picturesque setting for visitors to appreciate the intersection of human intervention and natural resources in the management of water systems.

Year Completed

1930

Dam Length

200

Dam Height

20

River Or Stream

ANNEEWAKEE CREEK

Primary Dam Type

Concrete

Surface Area

21.6

Hydraulic Height

20

Drainage Area

2000

Nid Storage

110

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

20
       
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.