Terrapin Creek W/s Dam Site 8 is an earth dam located in Cherokee County, Alabama, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 47 ft47 ft tall and 1,150 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Terrapin Creek W/s Dam Site 8
The primary purpose of Terrapin Creek W/s Dam Site 8 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Lewis E. Acker (private). It impounds the Frog Creek near Ellisville.
The dam stands 47 feet tall and stretches 1,150 feet across, creates a reservoir covering 77 acres, has a maximum storage capacity of 5,880 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 04/21/1999. That was over 27 years ago.
At 47 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Alabama |
| County | Cherokee |
| Nearest City | Ellisville |
| River/Stream | Frog Creek |
| Coordinates | 34.00000, -85.57000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 1,150 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 5,880 acre-ft |
| Max Storage | 5,880 acre-ft |
| Normal Storage | 390 acre-ft |
| Surface Area | 77 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 1,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lewis E. Acker |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/21/1999 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AL00580 |
| Federal ID | AL00580 |
| More Info | ASDSO on Alabama (no state dam safety program) |