Etowah River Ws Str # 9 is an earth dam located in Dawson County, Georgia, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 550 ft long, taller than 72% 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 Etowah River Ws Str # 9
The primary purpose of Etowah River Ws Str # 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, Soil & Water Conservation District (state). It impounds the Unknown near Dawsonville.
The dam stands 31 feet tall and stretches 550 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 541 acre-feet, and collects water from a drainage area of 1,300 square miles. Completed in 1963, 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 03/30/2016. That was over 10 years ago.
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Location
| State | Georgia |
| County | Dawson |
| Nearest City | Dawsonville |
| River/Stream | Unknown |
| Coordinates | 34.36250, -84.08111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 550 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 541 acre-ft |
| Max Storage | 541 acre-ft |
| Normal Storage | 97 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1,300 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Upper Chattahoochee River, Soil & Water Conservation District |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/30/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA00138 |
| Federal ID | GA00138 |
| More Info | State Dam Safety Program |