Grants Millpond Dam
Grants Millpond Dam is a dam located in Marlboro County, South Carolina, built in 1950. It carries a High hazard potential classification and has a poor condition assessment.
About Grants Millpond Dam
Grants Millpond Dam is a dam in Marlboro, South Carolina. The dam is owned by Robert A Cohen And Chris Charles Lambert (private). It impounds the Phils Creek.
The dam stands 7 feet tall, creates a reservoir covering 56 acres, and has a maximum storage capacity of 238 acre-feet. Completed in 1950, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 12/15/2022.
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 | Marlboro |
| River/Stream | Phils Creek |
| Coordinates | 34.71860, -79.80660 |
Physical Characteristics
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 238 acre-ft |
| Max Storage | 238 acre-ft |
| Normal Storage | 121 acre-ft |
| Surface Area | 56 acres |
Ownership & Safety
| Purpose | Other |
| Owner | ROBERT A COHEN AND CHRIS CHARLES LAMBERT |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 12/15/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | SCD03429 |
| Federal ID | SCD03429 |
| More Info | State Dam Safety Program |