Lake Jean Dam
Lake Jean Dam is an earth dam located in Columbia County, Georgia. It carries a Low hazard potential classification.
About Lake Jean Dam
The primary purpose of Lake Jean Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Columbia County (local government). It impounds the Bettys Branch.
The dam stands 21 feet tall and stretches 408 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 67 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.
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Location
| State | Georgia |
| County | Columbia |
| River/Stream | Bettys Branch |
| Coordinates | 33.53556, -82.13806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 408 ft |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Columbia County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA04165 |
| Federal ID | GA04165 |
| More Info | State Dam Safety Program |