Fox Hollow Lake Dam

Fox Hollow Lake Dam is an earth dam located in Sussex County, New Jersey, built in 1925. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Fox Hollow Lake Dam

The primary purpose of Fox Hollow Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fox Hollow Farms Lake Club, Inc. (private). It impounds the Paulinskill River-tr.

The dam stands 12 feet tall and stretches 300 feet across, creates a reservoir covering 76 acres, has a maximum storage capacity of 480 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1925, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 04/22/2025.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountySussex
River/StreamPaulinskill River-tr
Coordinates41.03913, -74.66925

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length300 ft
Year Completed1925 (101 years old)

Storage & Hydraulics

NID Storage480 acre-ft
Max Storage480 acre-ft
Normal Storage360 acre-ft
Surface Area76 acres
Drainage Area1 sq mi
Max Discharge60 cfs

Ownership & Safety

PurposeRecreation
OwnerFox Hollow Farms Lake Club, Inc.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection04/22/2025
Emergency Action PlanYes

Identifiers

NID IDNJ00291
Federal IDNJ00291
More InfoState Dam Safety Program

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