Jimmy Johnston is an earth dam located in Madison County, Alabama, built in 1966. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 350 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Jimmy Johnston
The primary purpose of Jimmy Johnston is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by County Commission (local government). It impounds the Tr-hurricane Fork Flint River near Blouchers Ford.
The dam stands 18 feet tall and stretches 350 feet across, has a maximum storage capacity of 92 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Alabama |
| County | Madison |
| Nearest City | Blouchers Ford |
| River/Stream | Tr-hurricane Fork Flint River |
| Coordinates | 34.89333, -86.44666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 350 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 92 acre-ft |
| Max Storage | 92 acre-ft |
| Normal Storage | 43 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 689 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | County Commission |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AL02217 |
| Federal ID | AL02217 |
| More Info | ASDSO on Alabama (no state dam safety program) |