Sylvan Lake Dam
Sylvan Lake Dam is an earth dam located in Burlington County, New Jersey, built in 1941. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Sylvan Lake Dam
The primary purpose of 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.
The dam stands 18 feet tall and stretches 940 feet across, creates a reservoir covering 20 acres, has a storage capacity of 99 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 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 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.
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 New Jersey 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 | New Jersey |
| County | Burlington |
| River/Stream | Mill Stream |
| Coordinates | 40.05588, -74.85817 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 940 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Normal Storage | 99 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Township of Burlington |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/10/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00151 |
| Federal ID | NJ00151 |
| More Info | State Dam Safety Program |