Gillis Lake Dam is an earth dam located in Johnson County, Georgia. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 900 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 Gillis Lake Dam
The primary purpose of Gillis Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gillis, Carl Jr. (private). It impounds the Ohoopee River near Adrian.
The dam stands 14 feet tall and stretches 900 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 88 acre-feet, and collects water from a drainage area of 120 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.
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Location
| State | Georgia |
| County | Johnson |
| Nearest City | Adrian |
| River/Stream | Ohoopee River |
| Coordinates | 32.53111, -82.60583 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 900 ft |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 120 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Gillis, Carl Jr. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA04676 |
| Federal ID | GA04676 |
| More Info | State Dam Safety Program |