Lake Anne Dam is an earth dam located in Cannon County, Tennessee, built in 1967. It carries a Significant hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 610 ft long, taller than 68% 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 Lake Anne Dam
Lake Anne Dam is a dam in Cannon, Tennessee. The dam is owned by Duke, Austin W. (private). It impounds the Smithson Branch near Clearmont.
The dam stands 30 feet tall and stretches 610 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 446 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 06/14/2022.
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Location
| State | Tennessee |
| County | Cannon |
| Nearest City | Clearmont |
| River/Stream | Smithson Branch |
| Coordinates | 35.74500, -86.03194 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Length | 610 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 446 acre-ft |
| Max Storage | 446 acre-ft |
| Normal Storage | 175 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Duke, Austin W. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/14/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN01502 |
| Federal ID | TN01502 |
| More Info | State Dam Safety Program |