Johnson Dam
Johnson Dam is an earth dam located in Morgan County, Tennessee, built in 1965. It carries a Low hazard potential classification and has a fair condition assessment.
About Johnson Dam
The primary purpose of Johnson Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Walden Ridge, Llc (private). It impounds the Trib-stowers Creek.
The dam stands 17 feet tall and stretches 655 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 0 square miles. 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 02/27/2023.
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Location
| State | Tennessee |
| County | Morgan |
| River/Stream | Trib-stowers Creek |
| Coordinates | 36.24167, -84.81639 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Length | 655 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Walden Ridge, Llc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 02/27/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN12909 |
| Federal ID | TN12909 |
| More Info | State Dam Safety Program |