Lyles is an earth dam located in Calhoun County, Alabama, built in 1948. It carries a Significant hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 400 ft long, taller than 76% 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 Lyles
The primary purpose of Lyles is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Five W Club (private). It impounds the Tr Coosa River near Lyles.
The dam stands 33 feet tall and stretches 400 feet across, and has a maximum storage capacity of 250 acre-feet. Completed in 1948, 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.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Alabama |
| County | Calhoun |
| Nearest City | Lyles |
| River/Stream | Tr Coosa River |
| Coordinates | 33.83333, -86.04333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Length | 400 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 200 acre-ft |
| Max Discharge | 390 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Five W Club |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL00922 |
| Federal ID | AL00922 |
| More Info | ASDSO on Alabama (no state dam safety program) |