Johnson Lake Dam is an earth dam located in Gordon County, Georgia. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 315 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 Johnson Lake Dam
The primary purpose of Johnson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Johnson Group Properties LLC (private). It impounds the Name Unknown near Calhoun.
The dam stands 13 feet tall and stretches 315 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 364 square miles.
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 09/01/1984. That was over 42 years ago.
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Location
| State | Georgia |
| County | Gordon |
| Nearest City | Calhoun |
| River/Stream | Name Unknown |
| Coordinates | 34.42947, -84.91564 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 315 ft |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 364 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Johnson Group Properties LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/01/1984 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA02384 |
| Federal ID | GA02384 |
| More Info | State Dam Safety Program |