Star Lake Upper Dam

Star Lake Upper Dam is an earth dam located in Passaic County, New Jersey, built in 1900. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Star Lake Upper Dam

The primary purpose of Star Lake Upper Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Star Lake Camp And Conference Center (private). It impounds the Pequannock River-tr.

The dam stands 11 feet tall and stretches 200 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1900, the structure is over a century old.

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 05/02/2023.

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
CountyPassaic
River/StreamPequannock River-tr
Coordinates41.02282, -74.35018

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Height11 ft
Dam Length200 ft
Year Completed1900 (126 years old)

Storage & Hydraulics

NID Storage150 acre-ft
Max Storage150 acre-ft
Normal Storage115 acre-ft
Surface Area16 acres
Drainage Area1 sq mi
Max Discharge35 cfs

Ownership & Safety

PurposeRecreation
OwnerStar Lake Camp and Conference Center
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/02/2023
Emergency Action PlanYes

Identifiers

NID IDNJ00221
Federal IDNJ00221
More InfoState Dam Safety Program

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