Thousand Oaks Reservoir Report
Nearby: Mayfield Lake Metcalf
Last Updated: December 13, 2025
Thousand Oaks is a privately owned dam located in White, Tennessee, near the city of Sparta.
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Summary
Built in 1967, this earth dam spans 745 feet in length and stands at a structural height of 23.1 feet, with a hydraulic height of 19.5 feet. With a storage capacity of 702 acre-feet, it impounds Blue Spring Creek and serves as a vital resource for the surrounding area.
Managed by the Tennessee Safe Dams Program, Thousand Oaks is subject to state regulation, inspection, and enforcement, ensuring its safe operation and maintenance. Despite its significant hazard potential, the dam is currently deemed to be in satisfactory condition, with a moderate risk assessment rating of 3. The last inspection in September 2019 found the dam to be in compliance with safety guidelines, highlighting the commitment to risk management and emergency preparedness.
As an integral part of the water infrastructure in the region, Thousand Oaks plays a crucial role in flood control and water supply management. With its controlled spillway and satisfactory condition, this dam stands as a testament to the importance of proper regulation and maintenance in safeguarding water resources and mitigating climate-related risks for the community of Thousand Oaks and beyond.
Year Completed |
1967 |
Dam Length |
745 |
River Or Stream |
BLUE SPRING CREEK |
Primary Dam Type |
Earth |
Surface Area |
65 |
Hydraulic Height |
19.5 |
Drainage Area |
0.37 |
Nid Storage |
702 |
Structural Height |
23.1 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Nid Height |
23 |
Seasonal Comparison
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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.
Thousand Oaks