Mattox Pond Dam
Mattox Pond Dam is an earth dam located in Wake County, North Carolina. It carries a High hazard potential classification and has a fair condition assessment.
About Mattox Pond Dam
The primary purpose of Mattox Pond Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Omega Association Management (private). It impounds the Marks Creek near Smithfield.
The dam stands 21 feet tall and stretches 237 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 46 acre-feet.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/03/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The North Carolina dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | North Carolina |
| County | Wake |
| Nearest City | Smithfield |
| River/Stream | Marks Creek |
| Coordinates | 35.75800, -78.42120 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Length | 237 ft |
Storage & Hydraulics
| NID Storage | 46 acre-ft |
| Max Storage | 46 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 4 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Omega Association Management |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/03/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NC04464 |
| Federal ID | NC04464 |
| More Info | State Dam Safety Program |