Miller Reservoir Report
Nearby: Cobbs, Allen & Hall Osborne
Last Updated: December 5, 2025
Miller is a privately owned Earth dam located in Tallapoosa, Alabama, specifically in the city of N ALEX CITY.
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Summary
Constructed in 1943 by the USDA NRCS, this dam serves the primary purpose of supporting a Fish and Wildlife Pond. With a dam height of 12 feet and a length of 350 feet, Miller has a storage capacity of 94 acre-feet and a drainage area of 0.31 square miles. Despite its low hazard potential and moderate risk assessment rating, the dam's condition has not been formally assessed.
Managed by the Natural Resources Conservation Service, Miller's spillway type is classified as uncontrolled, with a spillway width of 40 feet. The dam's design includes no outlet gates or locks, but it does have a maximum discharge capacity of 559 cubic feet per second. Although the dam's risk assessment is moderate, it has not undergone a formal condition assessment, and emergency preparedness measures such as an Emergency Action Plan (EAP) have not been documented. Overall, Miller serves as an essential component for supporting local fish and wildlife habitats, while also presenting some level of risk that warrants ongoing monitoring and evaluation.
Year Completed |
1943 |
Dam Length |
350 |
Dam Height |
12 |
River Or Stream |
TR-HILLABY CREEK |
Primary Dam Type |
Earth |
Drainage Area |
0.31 |
Nid Storage |
94 |
Hazard Potential |
Low |
Nid Height |
12 |
Seasonal Comparison
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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.
Miller