Tannehill Valley Lake is an earth dam located in Jefferson County, Alabama, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 750 ft long, taller than 72% 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 Tannehill Valley Lake
The primary purpose of Tannehill Valley Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Tannehill Valley Estates (private). It impounds the MUD Creek near Tannehill State Park.
The dam stands 31 feet tall and stretches 750 feet across, and has a maximum storage capacity of 220 acre-feet. Completed in 1975, 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 | Tannehill State Park |
| River/Stream | MUD Creek |
| Coordinates | 33.27500, -87.05000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Length | 750 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 220 acre-ft |
| Max Storage | 220 acre-ft |
| Normal Storage | 195 acre-ft |
| Max Discharge | 180 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Tannehill Valley Estates |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01507 |
| Federal ID | AL01507 |
| More Info | ASDSO on Alabama (no state dam safety program) |