Middle Oconee-walnut Creek Watershed No. 3 is an earth dam located in Hall County, Georgia, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 550 ft long, taller than 86% of U.S. dams with a recorded height. 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 Middle Oconee-walnut Creek Watershed No. 3
The primary purpose of Middle Oconee-walnut Creek Watershed No. 3 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 Candler Branch.
The dam stands 40 feet tall and stretches 550 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 347 acre-feet, and collects water from a drainage area of 1,020 square miles. Completed in 1971, 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 17 years ago.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Georgia |
| County | Hall |
| River/Stream | Candler Branch |
| Coordinates | 34.20639, -83.80556 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 550 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 347 acre-ft |
| Max Storage | 347 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1,020 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 assessed |
| Last Inspection | 10/01/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA04290 |
| Federal ID | GA04290 |
| More Info | State Dam Safety Program |