A.i. Selden Lock And Dam
A.i. Selden Lock And Dam is a gravity dam located in Greene County, Alabama, built in 1958. It carries a Significant hazard potential classification.
About A.i. Selden Lock And Dam
The primary purpose of A.i. Selden Lock And Dam is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by Usace - Mobile District (federal). It impounds the Black Warrior River near Eastport.
The dam stands 71 feet tall and stretches 684 feet across, creates a reservoir covering 7,800 acres, has a maximum storage capacity of 58,650 acre-feet, and collects water from a drainage area of 5,810 square miles. Completed in 1958, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 01/21/2021.
At 71 feet, this dam is taller than 96% of all dams in the United States.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Alabama |
| County | Greene |
| Nearest City | Eastport |
| River/Stream | Black Warrior River |
| Coordinates | 32.77879, -87.84097 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 71 ft |
| Dam Length | 684 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 58,650 acre-ft |
| Max Storage | 58,650 acre-ft |
| Normal Storage | 49,100 acre-ft |
| Surface Area | 7,800 acres |
| Drainage Area | 5,810 sq mi |
| Max Discharge | 53,800 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Mobile District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 01/21/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AL01429 |
| Federal ID | AL01429 |
| More Info | State Dam Safety Program |