Sharps Mill Dam is a gravity dam located in Lauderdale County, Alabama, built in 1929. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 150 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Sharps Mill Dam
Sharps Mill Dam is a dam in Lauderdale, Alabama. The dam is owned by Joe Williamson (private). It impounds the Little Cypress Creek near Underwood.
The dam stands 15 feet tall and stretches 150 feet across, and has a maximum storage capacity of 72 acre-feet. Completed in 1929, the structure is well-established, with more than 75 years of service.
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 | Lauderdale |
| Nearest City | Underwood |
| River/Stream | Little Cypress Creek |
| Coordinates | 34.90833, -87.70500 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 15 ft |
| Dam Length | 150 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 52 acre-ft |
| Max Discharge | 773 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Joe Williamson |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL00998 |
| Federal ID | AL00998 |
| More Info | ASDSO on Alabama (no state dam safety program) |