Graham Mill Pond Dam
Graham Mill Pond Dam is a dam located in Horry County, South Carolina, built in 1930. It carries a High hazard potential classification.
About Graham Mill Pond Dam
The primary purpose of Graham Mill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Walden B Graham (private). It impounds the Tr-little Pee Dee River.
The dam stands 13 feet tall, creates a reservoir covering 18 acres, and has a maximum storage capacity of 119 acre-feet. Completed in 1930, the structure is well-established, with more than 75 years of service.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 12/21/2023.
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 South 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 | South Carolina |
| County | Horry |
| River/Stream | Tr-little Pee Dee River |
| Coordinates | 34.01740, -79.17300 |
Physical Characteristics
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 119 acre-ft |
| Max Storage | 119 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 18 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | WALDEN B GRAHAM |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 12/21/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | SCD03616 |
| Federal ID | SCD03616 |
| More Info | State Dam Safety Program |