Casper Creek Reservoir Report
Nearby: Pristine Lake Reed #1
Last Updated: December 13, 2025
Casper Creek, also known as the Edmund Orgill Dam, is a local government-owned structure located in Millington, Tennessee.
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Summary
Built in 1967 by the USDA NRCS, this earth dam on Casper Creek serves a primary purpose of recreation, providing a surface area of 61.4 acres and a normal storage capacity of 370 acre-feet. With a hydraulic height of 24.2 feet and a structural height of 31.6 feet, the dam stands at 1690 feet in length and has a drainage area of 0.86 square miles.
Managed by the Tennessee Safe Dams Program, Casper Creek Dam has a high hazard potential but is currently assessed as being in satisfactory condition as of June 2020. Despite its risk level, the dam's risk assessment is moderate, with a DSAC assigned date yet to be determined. The dam has no associated locks or outlet gates and features an uncontrolled spillway type. While there are no inundation maps prepared or emergency action plans updated, the dam is inspected annually to ensure its safety and functionality for the surrounding community.
Casper Creek Dam, with its serene recreational offerings and essential water resource management capabilities, stands as a testament to responsible dam construction and maintenance in the face of changing climate conditions. Positioned within the Memphis District of Tennessee, this structure exemplifies the importance of state-regulated and inspected dams in safeguarding communities against potential hazards and ensuring the sustainable utilization of water resources for future generations.
Year Completed |
1967 |
Dam Length |
1690 |
River Or Stream |
CASPER CREEK |
Primary Dam Type |
Earth |
Surface Area |
61.4 |
Hydraulic Height |
24.2 |
Drainage Area |
0.86 |
Nid Storage |
1000 |
Structural Height |
31.6 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
32 |
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.
Casper Creek