Dobson #1 Dam is an earth dam located in Marion County, Tennessee, built in 2006. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 300 ft long, taller than 84% 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 Dobson #1 Dam
The primary purpose of Dobson #1 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by First Jackson Bank (private).
The dam stands 38 feet tall and stretches 300 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 137 acre-feet. Completed in 2006, the structure is relatively new.
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. The most recent inspection on record was 09/18/2023.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Tennessee |
| County | Marion |
| Coordinates | 35.01083, -85.85083 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Length | 300 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 137 acre-ft |
| Max Storage | 137 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 8 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | First Jackson Bank |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/18/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN11517 |
| Federal ID | TN11517 |
| More Info | State Dam Safety Program |