Holly Lake Dam is an earth dam located in Duplin County, North Carolina, built in 1947. It carries a Significant hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 1,040 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Holly Lake Dam
The primary purpose of Holly Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. It impounds the Polly Run Creek near Sarecta.
The dam stands 10 feet tall and stretches 1,040 feet across, and has a maximum storage capacity of 134 acre-feet. Completed in 1947, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 10/07/2015. That was over 11 years ago.
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Location
| State | North Carolina |
| County | Duplin |
| Nearest City | Sarecta |
| River/Stream | Polly Run Creek |
| Coordinates | 35.14170, -77.94440 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 1,040 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 112 acre-ft |
| Max Discharge | 66 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Not Listed |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/07/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC01155 |
| Federal ID | NC01155 |
| More Info | State Dam Safety Program |