Lake Griffin is an earth dam located in Jefferson County, Alabama, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 420 ft long, taller than 50% 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 Lake Griffin
The primary purpose of Lake Griffin is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Rock Mountain Lake Inc (private). It impounds the Tr-mill Creek near Kimbrell.
The dam stands 25 feet tall and stretches 420 feet across, and has a maximum storage capacity of 150 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Alabama |
| County | Jefferson |
| Nearest City | Kimbrell |
| River/Stream | Tr-mill Creek |
| Coordinates | 33.31500, -87.07667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 420 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 123 acre-ft |
| Max Discharge | 70 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Rock Mountain Lake Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01295 |
| Federal ID | AL01295 |
| More Info | ASDSO on Alabama (no state dam safety program) |