Upper West Highland Lake Dam

Upper West Highland Lake Dam is an earth dam located in Sussex County, New Jersey, built in 1958. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Upper West Highland Lake Dam

The primary purpose of Upper West Highland Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Highland Lakes Country Club And Community Assoc. (private). It impounds the Highland Lake near New Milford, Ny.

The dam stands 13 feet tall and stretches 400 feet across, creates a reservoir covering 18 acres, has a storage capacity of 180 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, the structure is well into its service life at over 50 years 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 12/21/2023.

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
CountySussex
Nearest CityNew Milford, Ny
River/StreamHighland Lake
Coordinates41.17752, -74.47348

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length400 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage180 acre-ft
Normal Storage180 acre-ft
Surface Area18 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeRecreation
OwnerHighland Lakes Country Club and Community Assoc.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection12/21/2023
Emergency Action PlanYes

Identifiers

NID IDNJ00511
Federal IDNJ00511
More InfoState Dam Safety Program

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