Upper John Tanner Lake Dam is an earth dam located in Carroll County, Georgia. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 375 ft long. 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 Upper John Tanner Lake Dam
The primary purpose of Upper John Tanner Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Carroll County Board of Commissioners (local government). It impounds the Unknown near Carrollton.
The dam stands 22 feet tall and stretches 375 feet across, creates a reservoir covering 15 acres, and has a maximum storage capacity of 156 acre-feet.
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 12/22/2017.
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Location
| State | Georgia |
| County | Carroll |
| Nearest City | Carrollton |
| River/Stream | Unknown |
| Coordinates | 33.59922, -85.16800 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 375 ft |
Storage & Hydraulics
| NID Storage | 156 acre-ft |
| Max Storage | 156 acre-ft |
| Normal Storage | 114 acre-ft |
| Surface Area | 15 acres |
| Max Discharge | 156 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Carroll County Board of Commissioners |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/22/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA02320 |
| Federal ID | GA02320 |
| More Info | State Dam Safety Program |