French Lake Dam

French Lake Dam is an earth dam located in Warren County, New Jersey, built in 1945. It carries a Low hazard potential classification.

About French Lake Dam

The primary purpose of French Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Leo Orlandi (private). It impounds the Bear Brook-tr near Johnsonburg.

The dam stands 10 feet tall and stretches 440 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 138 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1945, the structure is well-established, with more than 75 years of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/05/2001. That was over 24 years ago.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateNew Jersey
CountyWarren
Nearest CityJohnsonburg
River/StreamBear Brook-tr
Coordinates40.96220, -74.89452

Physical Characteristics

Dam TypeEarth
NID Height10 ft
Dam Height10 ft
Dam Length440 ft
Year Completed1945 (81 years old)

Storage & Hydraulics

NID Storage138 acre-ft
Max Storage138 acre-ft
Normal Storage138 acre-ft
Surface Area23 acres
Drainage Area0 sq mi
Max Discharge370 cfs

Ownership & Safety

PurposeRecreation
OwnerLeo Orlandi
Owner TypePrivate
Hazard ClassificationLow
Last Inspection10/05/2001
Emergency Action PlanNot Required

Identifiers

NID IDNJ00180
Federal IDNJ00180
More InfoState Dam Safety Program

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