G B Mathison is an earth dam located in Henry County, Alabama, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 680 ft long. 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 G B Mathison
The primary purpose of G B Mathison is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by State of Alabama (state). It impounds the Abbie Creek near Bethel Church.
The dam stands 15 feet tall and stretches 680 feet across, and has a maximum storage capacity of 161 acre-feet. Completed in 1958, 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.
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Location
| State | Alabama |
| County | Henry |
| Nearest City | Bethel Church |
| River/Stream | Abbie Creek |
| Coordinates | 31.61667, -85.22833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Length | 680 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 161 acre-ft |
| Max Storage | 161 acre-ft |
| Normal Storage | 108 acre-ft |
| Max Discharge | 5,400 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | State of Alabama |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL00756 |
| Federal ID | AL00756 |
| More Info | ASDSO on Alabama (no state dam safety program) |