Jefferson Lake Dam

Jefferson Lake Dam is an earth dam located in Sussex County, New Jersey. It carries a Low hazard potential classification and has a poor condition assessment.

About Jefferson Lake Dam

The primary purpose of Jefferson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Division Of Parks And Forestry (state). It impounds the Lubbers Run-tr.

The dam stands 15 feet tall and stretches 450 feet across, creates a reservoir covering 50 acres, has a storage capacity of 250 acre-feet, and collects water from a drainage area of 5 square miles.

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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/11/2005. That was over 20 years ago.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNew Jersey
CountySussex
River/StreamLubbers Run-tr
Coordinates40.92668, -74.73168

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length450 ft

Storage & Hydraulics

NID Storage250 acre-ft
Normal Storage250 acre-ft
Surface Area50 acres
Drainage Area5 sq mi

Ownership & Safety

PurposeRecreation
OwnerDivision of Parks and Forestry
Owner TypeState
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection04/11/2005
Emergency Action PlanNot Required

Identifiers

NID IDNJ00326
Federal IDNJ00326
More InfoState Dam Safety Program

Nearby Dams