Lake Juliet Dam

Lake Juliet Dam is an earth dam located in Morris County, New Jersey, built in 1919. It carries a Significant hazard potential classification and has a poor condition assessment.

About Lake Juliet Dam

The primary purpose of Lake Juliet Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by John Steenstra (private). It impounds the West Branch Stone Brook near Denville.

The dam stands 12 feet tall and stretches 375 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1919, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 08/03/2024.

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Significant HazardPoor ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyMorris
Nearest CityDenville
River/StreamWest Branch Stone Brook
Coordinates40.96042, -74.40740

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length375 ft
Year Completed1919 (107 years old)

Storage & Hydraulics

NID Storage75 acre-ft
Max Storage75 acre-ft
Normal Storage45 acre-ft
Surface Area9 acres
Drainage Area1 sq mi
Max Discharge65 cfs

Ownership & Safety

PurposeRecreation
OwnerJohn Steenstra
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection08/03/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00144
Federal IDNJ00144
More InfoState Dam Safety Program

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