Hughes Lake Dam
Hughes Lake Dam is an earth dam located in Gwinnett County, Georgia, built in 1960. It carries a Low hazard potential classification.
About Hughes Lake Dam
The primary purpose of Hughes Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Scientfic Atlanta (private). It impounds the Unknown near Pleasant Hill.
The dam stands 33 feet tall and stretches 435 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 79 square miles. Completed in 1960, 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 10/05/2016.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Georgia |
| County | Gwinnett |
| Nearest City | Pleasant Hill |
| River/Stream | Unknown |
| Coordinates | 33.95722, -84.07222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 435 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 79 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Scientfic Atlanta |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/05/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA01810 |
| Federal ID | GA01810 |
| More Info | State Dam Safety Program |