Nelson Dam is an earth dam located in Harris County, Georgia, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 495 ft long, taller than 50% 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 Nelson Dam
The primary purpose of Nelson Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Three Olive Trees LLC (private). It impounds the Unknown near Mt Moriah Church Environs.
The dam stands 25 feet tall and stretches 495 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 73 acre-feet, and collects water from a drainage area of 185 square miles. Completed in 1956, 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 01/21/2020.
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Location
| State | Georgia |
| County | Harris |
| Nearest City | Mt Moriah Church Environs |
| River/Stream | Unknown |
| Coordinates | 32.71667, -84.95139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 495 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 185 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Three Olive Trees LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/21/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA01636 |
| Federal ID | GA01636 |
| More Info | State Dam Safety Program |