N H Cobb Estate is an earth dam located in Hale County, Alabama, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 800 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 N H Cobb Estate
The primary purpose of N H Cobb Estate is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by N H Cobb Estate (private). It impounds the Tr-limestone Creek near Demopolis.
The dam stands 18 feet tall and stretches 800 feet across, has a maximum storage capacity of 119 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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. The most recent inspection on record was 10/29/1978. That was over 47 years ago.
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Location
| State | Alabama |
| County | Hale |
| Nearest City | Demopolis |
| River/Stream | Tr-limestone Creek |
| Coordinates | 32.68833, -87.73500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 800 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 119 acre-ft |
| Max Storage | 119 acre-ft |
| Normal Storage | 76 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | N H Cobb Estate |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/29/1978 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AL02158 |
| Federal ID | AL02158 |
| More Info | ASDSO on Alabama (no state dam safety program) |