Lake Ogallala Reservoir Report
Nearby: Chippewa Lake Enoree Lake
Last Updated: December 13, 2025
Lake Ogallala is a captivating private water resource located in Davidson, Tennessee, specifically in the city of Mannings Hollow.
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Summary
Built in 1960, this earth dam stands at a hydraulic height of 25.1 feet and a structural height of 27.2 feet, with a length of 240 feet and a storage capacity of 80 acre-feet. While its primary purpose is not specified, the dam's hazard potential is deemed significant, with a moderate risk assessment rating.
Situated on Buffalo Creek, Lake Ogallala covers an area of 6.5 acres and serves as a vital component of the local water infrastructure. Despite being privately owned, the dam is not state-regulated or permitted, emphasizing its unique status within the region. The dam's condition assessment is marked as "Not Rated," suggesting potential maintenance or evaluation needs in the future to ensure its continued safety and functionality for water resource and climate enthusiasts.
With a last inspection date of November 10, 2016, Lake Ogallala remains a noteworthy feature in the landscape, attracting attention for its historical significance and environmental impact. While the dam's emergency action plan status and risk management measures are unspecified, its presence on Buffalo Creek contributes to the overall water management strategy in the area. As a significant structure with a moderate risk level, Lake Ogallala stands as a reminder of the importance of monitoring and maintaining water resources amidst changing climatic conditions.
Year Completed |
1960 |
Dam Length |
240 |
River Or Stream |
BUFFALO CREEK |
Primary Dam Type |
Earth |
Surface Area |
6.5 |
Hydraulic Height |
25.1 |
Drainage Area |
0.24 |
Nid Storage |
80 |
Structural Height |
27.2 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Nid Height |
27 |
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.
Lake Ogallala