Jimmy Johnston Lake Dam is an earth dam located in Madison County, Alabama, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 375 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 Lake Dam
The primary purpose of Jimmy Johnston Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Madison County, Alabama (local government). It impounds the Tr-mountain Fork Creek near Bloucher Ford, Alabama.
The dam stands 24 feet tall and stretches 375 feet across, and has a maximum storage capacity of 123 acre-feet. Completed in 1958, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Alabama |
| County | Madison |
| Nearest City | Bloucher Ford, Alabama |
| River/Stream | Tr-mountain Fork Creek |
| Coordinates | 34.89333, -86.44333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Length | 375 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 123 acre-ft |
| Max Storage | 123 acre-ft |
| Normal Storage | 75 acre-ft |
| Max Discharge | 110 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Madison County, Alabama |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01014 |
| Federal ID | AL01014 |
| More Info | ASDSO on Alabama (no state dam safety program) |