Blackwell Lake Dam Number Two is an earth dam located in Elmore County, Alabama, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 330 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 Blackwell Lake Dam Number Two
The primary purpose of Blackwell Lake Dam Number Two is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by H C Blackwell (private). It impounds the Tr-stearns Creek near Mt Vernon Church South.
The dam stands 20 feet tall and stretches 330 feet across, and has a maximum storage capacity of 50 acre-feet. Completed in 1963, 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 | Elmore |
| Nearest City | Mt Vernon Church South |
| River/Stream | Tr-stearns Creek |
| Coordinates | 32.72667, -86.11167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Length | 330 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 43 acre-ft |
| Max Discharge | 70 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | H C Blackwell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01790 |
| Federal ID | AL01790 |
| More Info | ASDSO on Alabama (no state dam safety program) |