Pleasant Valley Lake Dam

Pleasant Valley Lake Dam is an earth dam located in Morris County, New Jersey, built in 1933. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Pleasant Valley Lake Dam

The primary purpose of Pleasant Valley Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Brookrace Homeowners Association (private). It impounds the Mcvickers Brook near Mendham,peapack-gladstone.

The dam stands 35 feet tall and stretches 365 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 270 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1933, 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 07/19/2024.

At 35 feet, this dam is taller than 82% of dams nationwide.

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
CountyMorris
Nearest CityMendham,peapack-gladstone
River/StreamMcvickers Brook
Coordinates40.75053, -74.62640

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length365 ft
Year Completed1933 (93 years old)

Storage & Hydraulics

NID Storage270 acre-ft
Max Storage270 acre-ft
Normal Storage125 acre-ft
Surface Area16 acres
Drainage Area3 sq mi
Max Discharge2,779 cfs

Ownership & Safety

PurposeRecreation
OwnerBrookrace Homeowners Association
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection07/19/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00349
Federal IDNJ00349
More InfoState Dam Safety Program

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