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.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyBurlington
River/StreamMill Stream
Coordinates40.05588, -74.85817

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length940 ft
Year Completed1941 (85 years old)

Storage & Hydraulics

NID Storage99 acre-ft
Normal Storage99 acre-ft
Surface Area20 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeRecreation
OwnerTownship of Burlington
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection09/10/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00151
Federal IDNJ00151
More InfoState Dam Safety Program

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