John Aubrey Harper Irrigation Dam is an earth dam located in Irwin County, Georgia. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 920 ft long. 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 John Aubrey Harper Irrigation Dam
The primary purpose of John Aubrey Harper Irrigation Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jar & Dar LLC (private). It impounds the Unknown.
The dam stands 15 feet tall and stretches 920 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 141 acre-feet, and collects water from a drainage area of 160 square miles.
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 03/01/2009. That was over 17 years ago.
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Location
| State | Georgia |
| County | Irwin |
| River/Stream | Unknown |
| Coordinates | 31.53250, -83.17778 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 920 ft |
Storage & Hydraulics
| NID Storage | 141 acre-ft |
| Max Storage | 141 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 160 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Jar & Dar LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/01/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA04641 |
| Federal ID | GA04641 |
| More Info | State Dam Safety Program |