Austin Lake Dam
Austin Lake Dam is a concrete dam located in Johnston County, North Carolina, built in 1900. It carries a Significant hazard potential classification and has a fair condition assessment.
About Austin Lake Dam
Austin Lake Dam is a dam in Johnston, North Carolina. The dam is owned by Austins Pond Owners Association, Inc. (private). It impounds the White Oak Creek near Smithfield.
The dam stands 16 feet tall and stretches 100 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 296 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1900, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/29/2017.
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Location
| State | North Carolina |
| County | Johnston |
| Nearest City | Smithfield |
| River/Stream | White Oak Creek |
| Coordinates | 35.61910, -78.52790 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 16 ft |
| Dam Length | 100 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 296 acre-ft |
| Max Storage | 296 acre-ft |
| Normal Storage | 185 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 82 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Austins Pond Owners Association, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/29/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC00956 |
| Federal ID | NC00956 |
| More Info | State Dam Safety Program |