Bonner Reservoir Report
Nearby: Bennett Presbyterian Church
Last Updated: December 5, 2025
Bonner, a private dam located in Calhoun County, Alabama, was completed in 1962 for the primary purpose of recreation.
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Summary
Situated in Webster's Chapel on TR Ohatchee Creek, this earth dam stands at a height of 22 feet with a hydraulic height of 18 feet and a length of 400 feet. With a storage capacity of 105 acre-feet and a normal storage level of 65 acre-feet, Bonner serves as a low hazard potential structure with a condition assessment of "Not Rated".
Managed by the Mobile District of the US Army Corps of Engineers, Bonner does not fall under state jurisdiction or regulation. Despite its low hazard potential, the dam does not have an Emergency Action Plan in place or updated emergency contacts. However, with a maximum discharge capacity of 300 cubic feet per second, it is crucial that proper risk management measures are implemented to ensure the safety of surrounding communities in the event of a breach or emergency situation. For water resource and climate enthusiasts, Bonner serves as an interesting case study in private dam management and the importance of proactive risk assessment and mitigation strategies to protect both the environment and public safety.
Year Completed |
1962 |
Dam Length |
400 |
River Or Stream |
TR OHATCHEE CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
18 |
Nid Storage |
105 |
Structural Height |
22 |
Hazard Potential |
Low |
Nid Height |
22 |
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.
Bonner