Dempsey is an earth dam located in Chambers County, Alabama, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 450 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 Dempsey
The primary purpose of Dempsey 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 Dr Richard Dempsey (private). It impounds the Tr Little Chatahospee near Moorefield.
The dam stands 22 feet tall and stretches 450 feet across, and has a maximum storage capacity of 135 acre-feet. Completed in 1977, the structure is 49 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 | Chambers |
| Nearest City | Moorefield |
| River/Stream | Tr Little Chatahospee |
| Coordinates | 32.83333, -85.44667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Length | 450 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 70 acre-ft |
| Max Discharge | 935 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Dr Richard Dempsey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01846 |
| Federal ID | AL01846 |
| More Info | ASDSO on Alabama (no state dam safety program) |