J M Roberts Pond is an earth dam located in Jefferson County, Alabama, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 425 ft long, taller than 65% of U.S. dams with a recorded height. 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 Roberts Pond
The primary purpose of J M Roberts Pond 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 J M Roberts (private). It impounds the Tr-little Cahaba Creek near Holcomb Lake.
The dam stands 29 feet tall and stretches 425 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, 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 | Jefferson |
| Nearest City | Holcomb Lake |
| River/Stream | Tr-little Cahaba Creek |
| Coordinates | 33.67333, -86.55666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 425 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | J M Roberts |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AL01504 |
| Federal ID | AL01504 |
| More Info | ASDSO on Alabama (no state dam safety program) |