Washington Forge Pond Dam

Washington Forge Pond Dam is an earth dam located in Morris County, New Jersey, built in 1890. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Washington Forge Pond Dam

The primary purpose of Washington Forge Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wharton Borough (local government). It impounds the Rockaway River near Borough Of Wharton.

The dam stands 10 feet tall and stretches 710 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 29 square miles. Completed in 1890, 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 12/08/2022.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyMorris
Nearest CityBorough Of Wharton
River/StreamRockaway River
Coordinates40.90378, -74.57848

Physical Characteristics

Dam TypeEarth
NID Height10 ft
Dam Height10 ft
Dam Length710 ft
Year Completed1890 (136 years old)

Storage & Hydraulics

NID Storage96 acre-ft
Max Storage96 acre-ft
Normal Storage63 acre-ft
Surface Area12 acres
Drainage Area29 sq mi
Max Discharge1,207 cfs

Ownership & Safety

PurposeRecreation
OwnerWharton Borough
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection12/08/2022
Emergency Action PlanYes

Identifiers

NID IDNJ00341
Federal IDNJ00341
More InfoState Dam Safety Program

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