Middle Oconee- Walnut Creek Structure No 9
Middle Oconee- Walnut Creek Structure No 9 is an earth dam located in Hall County, Georgia, built in 1972. It carries a Low hazard potential classification.
About Middle Oconee- Walnut Creek Structure No 9
The primary purpose of Middle Oconee- Walnut Creek Structure No 9 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 Upper Chattahoochee River S & Wcd (state). It impounds the Unknown.
The dam stands 46 feet tall and stretches 540 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 448 acre-feet, and collects water from a drainage area of 1,107 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.
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 10/01/2009. That was over 16 years ago.
At 46 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Georgia |
| County | Hall |
| River/Stream | Unknown |
| Coordinates | 34.22500, -83.71333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 46 ft |
| Dam Length | 540 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 448 acre-ft |
| Max Storage | 448 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1,107 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Upper Chattahoochee River S & Wcd |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/01/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA00538 |
| Federal ID | GA00538 |
| More Info | State Dam Safety Program |