Cobb Reservoir Report
Nearby: Pinedale Carl Wittichen
Last Updated: December 5, 2025
Cobb is a privately owned dam located in St.
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Summary
Clair, Alabama, specifically in the city of Ashville. Completed in 1950, this Earth-type dam stands at a structural height of 15 feet with a hydraulic height of 11 feet. It serves primarily for recreational purposes, providing a serene environment for outdoor enthusiasts to enjoy activities such as fishing and boating on the TR Big Canoe Creek.
With a storage capacity of 52 acre-feet, Cobb has a significant hazard potential and is currently rated as "Not Rated" in terms of its condition assessment. The dam has a maximum discharge of 360 cubic feet per second and plays a crucial role in managing water flow in the area. Despite not being regulated by the state or federal agencies, the dam remains an important structure for the local community and visitors alike.
Although lacking certain regulatory oversight, Cobb Dam continues to be a popular destination for recreational activities. Its historical significance, combined with its functional role in water management, makes it a valuable asset in the region. As water resource and climate enthusiasts explore the area, the beauty and utility of Cobb Dam are sure to leave a lasting impression.
Year Completed |
1950 |
Dam Length |
450 |
River Or Stream |
TR BIG CANOE CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
11 |
Nid Storage |
52 |
Structural Height |
15 |
Hazard Potential |
Significant |
Nid Height |
15 |
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.
Cobb