Upper Sylvan Lake Dam
Upper Sylvan Lake Dam is an earth dam located in Burlington County, New Jersey, built in 1941. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Upper Sylvan Lake Dam
The primary purpose of Upper Sylvan Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Township Of Burlington (local government). It impounds the Mill Stream near Burlington.
The dam stands 20 feet tall and stretches 600 feet across, creates a reservoir covering 20 acres, has a storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1941, 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 09/10/2024.
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Location
| State | New Jersey |
| County | Burlington |
| Nearest City | Burlington |
| River/Stream | Mill Stream |
| Coordinates | 40.05838, -74.85642 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 600 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 57 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Township of Burlington |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/10/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00760 |
| Federal ID | NJ00760 |
| More Info | State Dam Safety Program |