Crommelin Lake Dam is an earth dam located in Elmore County, Alabama, built in 1940. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 555 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 Crommelin Lake Dam
Crommelin Lake Dam is a dam in Elmore, Alabama. The dam is owned by J G Crommelin (private). It impounds the Tr-coosa River near Wetumpka South.
The dam stands 18 feet tall and stretches 555 feet across, and has a maximum storage capacity of 64 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.
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 | Elmore |
| Nearest City | Wetumpka South |
| River/Stream | Tr-coosa River |
| Coordinates | 32.50667, -86.20333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 555 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 60 acre-ft |
| Max Discharge | 150 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | J G Crommelin |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01791 |
| Federal ID | AL01791 |
| More Info | ASDSO on Alabama (no state dam safety program) |