Glengary Lake Reservoir Report
Nearby: Hidden Lake Estates Lake Tia Khata
Last Updated: December 6, 2025
Glengary Lake, located in Fayette, Tennessee, is a privately owned dam regulated by the Tennessee Safe Dams Program.
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Summary
Built in 1947, this earth dam stands at a structural height of 11.4 feet and has a hydraulic height of 7.7 feet, providing a storage capacity of 553 acre-feet. The dam is situated on the Loosahatchie River and covers a surface area of 80.2 acres with a drainage area of 0.45 square miles.
With a significant hazard potential and a satisfactory condition assessment as of September 2019, Glengary Lake is a crucial water resource in the region. The dam has no outlet gates and features an uncontrolled spillway type. Despite its moderate risk assessment, the dam meets regulatory requirements for inspection and enforcement by the state of Tennessee. The dam's emergency action plan status and inundation maps preparedness are currently unknown, highlighting areas for potential improvement in emergency response readiness.
Overall, Glengary Lake serves as an essential water management structure in the area, providing storage and flood control benefits along the Loosahatchie River. With its historical significance dating back to the mid-20th century, this dam continues to play a vital role in water resource management and climate resilience efforts in Tennessee. It remains under the oversight of state regulatory agencies and demonstrates a commitment to maintaining its infrastructure for the safety and well-being of surrounding communities.
Year Completed |
1947 |
Dam Length |
495 |
River Or Stream |
LOOSAHATCHIE RIVER |
Primary Dam Type |
Earth |
Surface Area |
80.2 |
Hydraulic Height |
7.7 |
Drainage Area |
0.45 |
Nid Storage |
553 |
Structural Height |
11.4 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Nid Height |
11 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Glengary Lake