W.d.johnston Dams is an earth dam located in Greene County, Alabama, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 600 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 W.d.johnston Dams
The primary purpose of W.d.johnston Dams is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by W D Johnston (private). It impounds the Tr-taylor Branch near Christian Valley Church.
The dam stands 20 feet tall and stretches 600 feet across, and has a maximum storage capacity of 320 acre-feet. Completed in 1965, 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 | Greene |
| Nearest City | Christian Valley Church |
| River/Stream | Tr-taylor Branch |
| Coordinates | 32.63333, -88.01000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Length | 600 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 320 acre-ft |
| Max Storage | 320 acre-ft |
| Normal Storage | 288 acre-ft |
| Max Discharge | 200 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | W D Johnston |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL00746 |
| Federal ID | AL00746 |
| More Info | ASDSO on Alabama (no state dam safety program) |