Finger Lake Dam is an earth dam located in Shelby County, Alabama, built in 1977. It carries a Significant hazard potential classification.
Dam profile
NID height · 36 ft36 ft tall and 360 ft long, taller than 82% 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 Finger Lake Dam
The primary purpose of Finger Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wehapa Lake Incorporated (private). It impounds the Tr-shoal Creek near Dunvant.
The dam stands 36 feet tall and stretches 360 feet across, and has a maximum storage capacity of 87 acre-feet. Completed in 1977, the structure is 49 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.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Alabama |
| County | Shelby |
| Nearest City | Dunvant |
| River/Stream | Tr-shoal Creek |
| Coordinates | 33.46333, -86.57167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Length | 360 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 87 acre-ft |
| Max Storage | 87 acre-ft |
| Normal Storage | 66 acre-ft |
| Max Discharge | 220 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Wehapa Lake Incorporated |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01463 |
| Federal ID | AL01463 |
| More Info | ASDSO on Alabama (no state dam safety program) |