Patrick Williams Dam
Patrick Williams Dam is a dam located in Barnwell County, South Carolina. It carries a Significant hazard potential classification and has a fair condition assessment.
About Patrick Williams Dam
The primary purpose of Patrick Williams Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Patrick J Williams Et Al (private). It impounds the Spur Branch.
The dam stands 14 feet tall, creates a reservoir covering 30 acres, and has a maximum storage capacity of 216 acre-feet.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 11/03/2021.
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Location
| State | South Carolina |
| County | Barnwell |
| River/Stream | Spur Branch |
| Coordinates | 33.45800, -81.32240 |
Physical Characteristics
| NID Height | 14 ft |
| Dam Height | 14 ft |
Storage & Hydraulics
| NID Storage | 216 acre-ft |
| Max Storage | 216 acre-ft |
| Normal Storage | 156 acre-ft |
| Surface Area | 30 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | PATRICK J WILLIAMS ET AL |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/03/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | SCD04382 |
| Federal ID | SCD04382 |
| More Info | State Dam Safety Program |