Girl Scout Lake Dam
Girl Scout Lake Dam is an earth dam located in Shelby County, Alabama, built in 1977. It carries a Significant hazard potential classification.
About Girl Scout Lake Dam
The primary purpose of Girl Scout Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cahaba Girl Scout Inc. (private). It impounds the Tr.little Creek near Mt. Signal Community.
The dam stands 40 feet tall and stretches 220 feet across, and has a maximum storage capacity of 490 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 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Alabama |
| County | Shelby |
| Nearest City | Mt. Signal Community |
| River/Stream | Tr.little Creek |
| Coordinates | 33.37333, -86.60500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Length | 220 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Max Storage | 490 acre-ft |
| Normal Storage | 476 acre-ft |
| Max Discharge | 1,290 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | CAHABA GIRL SCOUT INC. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01595 |
| Federal ID | AL01595 |
| More Info | State Dam Safety Program |