Narraticon Lake Dam is an earth dam located in Gloucester County, New Jersey, built in 1934. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 250 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 Narraticon Lake Dam
The primary purpose of Narraticon Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Swedesboro Borough (local government). It impounds the Church Run near Swedesboro.
The dam stands 20 feet tall and stretches 250 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 370 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1934, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 02/26/2025.
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Location
| State | New Jersey |
| County | Gloucester |
| Nearest City | Swedesboro |
| River/Stream | Church Run |
| Coordinates | 39.74675, -75.30788 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 250 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 370 acre-ft |
| Max Storage | 370 acre-ft |
| Normal Storage | 216 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,030 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Swedesboro Borough |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/26/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00111 |
| Federal ID | NJ00111 |
| More Info | State Dam Safety Program |