J M Gaston No 2 Dam is an earth dam located in Dallas County, Alabama, built in 1968. It carries a Significant hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 1,400 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 J M Gaston No 2 Dam
J M Gaston No 2 Dam is a dam in Dallas, Alabama. The dam is owned by J M Gaston (private). It impounds the Tr-dry Creek near Mt Olive School Community.
The dam stands 22 feet tall and stretches 1,400 feet across, and has a maximum storage capacity of 251 acre-feet. Completed in 1968, the structure is well into its service life at over 50 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.
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Location
| State | Alabama |
| County | Dallas |
| Nearest City | Mt Olive School Community |
| River/Stream | Tr-dry Creek |
| Coordinates | 32.43167, -87.21500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 251 acre-ft |
| Max Storage | 251 acre-ft |
| Normal Storage | 238 acre-ft |
| Max Discharge | 875 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | J M Gaston |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL00684 |
| Federal ID | AL00684 |
| More Info | ASDSO on Alabama (no state dam safety program) |