Allison is an earth dam located in Montgomery County, Alabama, built in 1955. It carries a Low hazard potential classification.
Dam profile
NID height · 9 ft9 ft tall and 650 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 Allison
The primary purpose of Allison is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by M W Allison (private). It impounds the Tr Little Catoma Creek near Pine Grove.
The dam stands 9 feet tall and stretches 650 feet across, and has a maximum storage capacity of 83 acre-feet. Completed in 1955, 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 | Montgomery |
| Nearest City | Pine Grove |
| River/Stream | Tr Little Catoma Creek |
| Coordinates | 32.24500, -86.10333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Length | 650 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 83 acre-ft |
| Max Storage | 83 acre-ft |
| Normal Storage | 36 acre-ft |
| Max Discharge | 53 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | M W Allison |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL00513 |
| Federal ID | AL00513 |
| More Info | ASDSO on Alabama (no state dam safety program) |