Carrolwood Lake 'Ac' Reservoir Report
Last Updated: December 7, 2025
Carrolwood Lake 'Ac' in Germantown, Tennessee, is a private earth dam structure situated on Tributary Fletcher Creek and regulated by the Tennessee Safe Dams Program.
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Summary
Completed in 1988, this dam stands at a height of 14 feet with a hydraulic height of 10.7 feet, offering a storage capacity of 161 acre-feet to manage water resources effectively. With a surface area of 20.8 acres and a drainage area of 1.52 square miles, the dam plays a significant role in flood control and water supply management in the region.
This dam is inspected biennially, with a last assessment conducted in March 2020, resulting in a satisfactory condition assessment and a significant hazard potential. While the risk assessment categorizes Carrolwood Lake 'Ac' as moderate, its risk management measures and emergency preparedness status remain unspecified. The dam's presence underscores its crucial role in maintaining water resources and mitigating climate-related risks in the area, emphasizing the importance of ongoing monitoring and maintenance to ensure its continued effectiveness and safety for the community.
As part of the Memphis District, Carrolwood Lake 'Ac' stands as a testament to the collaborative efforts between private owners and state regulatory agencies in safeguarding water resources. With its controlled spillway and storage capacity, this dam serves as a vital infrastructure for water management, reflecting the intersection of environmental conservation and engineering ingenuity. Its strategic location and operational history highlight its role in sustaining the region's ecological balance and resilience to climate-related challenges, making it a focal point for water resource and climate enthusiasts alike.
Year Completed |
1988 |
Dam Length |
375 |
River Or Stream |
TRIBFLETCHER CREEK |
Primary Dam Type |
Earth |
Surface Area |
20.8 |
Hydraulic Height |
10.7 |
Drainage Area |
1.52 |
Nid Storage |
161 |
Structural Height |
14 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Nid Height |
14 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Wolf River At Germantown
|
505cfs |
Fletcher Creek At Sycamore View Road At Memphis
|
4cfs |
Nonconnah Creek Near Germantown
|
18cfs |
Loosahatchie River Near Arlington
|
100cfs |
Wolf River At Rossville
|
485cfs |
Mississippi River At Memphis
|
219000cfs |
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.
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