R L Mcdowell Dam is an earth dam located in Dallas County, Alabama, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 300 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 R L Mcdowell Dam
The primary purpose of R L Mcdowell Dam 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 R E Mcdowell (private). It impounds the Tr-alabama River near Cahaba.
The dam stands 23 feet tall and stretches 300 feet across, has a maximum storage capacity of 273 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 | Dallas |
| Nearest City | Cahaba |
| River/Stream | Tr-alabama River |
| Coordinates | 32.33333, -87.06667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 300 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 273 acre-ft |
| Max Storage | 273 acre-ft |
| Normal Storage | 200 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | R E Mcdowell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AL00674 |
| Federal ID | AL00674 |
| More Info | ASDSO on Alabama (no state dam safety program) |