Johnson Lake Dam is an earth dam located in Hickman County, Tennessee. It carries a Significant hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 300 ft long, taller than 86% 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 Johnson Lake Dam
Johnson Lake Dam is a dam in Hickman, Tennessee. The dam is owned by Weesner, Mike (private).
The dam stands 40 feet tall and stretches 300 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 105 acre-feet.
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 08/25/2021.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Tennessee |
| County | Hickman |
| Coordinates | 35.84034, -87.21931 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Length | 300 ft |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Surface Area | 6 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Weesner, Mike |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/25/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN08112 |
| Federal ID | TN08112 |
| More Info | State Dam Safety Program |