Prattville Lake is an earth dam located in Autauga County, Alabama, built in 1920. It carries a Significant hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 310 ft long, taller than 59% of U.S. dams with a recorded height. 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 Prattville Lake
The primary purpose of Prattville Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Prattville (local government). It impounds the Autauga Creek near Prattville.
The dam stands 27 feet tall and stretches 310 feet across, and has a maximum storage capacity of 86 acre-feet. Completed in 1920, the structure is over a century 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 | Autauga |
| Nearest City | Prattville |
| River/Stream | Autauga Creek |
| Coordinates | 32.46000, -86.47500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Length | 310 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 86 acre-ft |
| Max Discharge | 5,400 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Prattville |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01369 |
| Federal ID | AL01369 |
| More Info | ASDSO on Alabama (no state dam safety program) |