Breakneck Dam

Breakneck Dam is an earth dam located in Burlington County, New Jersey, built in 1870. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Breakneck Dam

The primary purpose of Breakneck Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Old Taunton Colony Club (private). It impounds the Haynes Creek near Medford.

The dam stands 14 feet tall and stretches 255 feet across, creates a reservoir covering 39 acres, has a maximum storage capacity of 354 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1870, the structure is one of the older dams in the region, with over a century and a half of service.

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 06/13/2024.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyBurlington
Nearest CityMedford
River/StreamHaynes Creek
Coordinates39.85278, -74.85398

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Height14 ft
Dam Length255 ft
Year Completed1870 (156 years old)

Storage & Hydraulics

NID Storage354 acre-ft
Max Storage354 acre-ft
Normal Storage125 acre-ft
Surface Area39 acres
Drainage Area13 sq mi
Max Discharge600 cfs

Ownership & Safety

PurposeRecreation
OwnerOld Taunton Colony Club
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/13/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00425
Federal IDNJ00425
More InfoState Dam Safety Program

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