Harrisonville Dam

Oldmans Creek· Gloucester, New Jersey· Earth· 15 ft tall
Significant Hazard Recreation State Government

Key Takeaway

Harrisonville Dam is classified as significant hazard in New Jersey. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 15 ft (taller than 51.4% in NJ)
Dam Length425 ft
Dam TypeEarth
Normal Storage187 acre-ft
Surface Area17 acres
Drainage Area10 sq mi
Max Discharge1,845 cfs
NID IDNJ00105

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: August 18, 2020
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Division of Fish & Wildlife

State Government

Nearby Dams

Algonkin Dam

Salem, NJ

Significant Hazard 14 ft

Camp Karney Dam

Salem, NJ

Low Hazard 13 ft

East Lake Dam

Salem, NJ

Significant Hazard 11 ft

Slabtown Lake Dam

Salem, NJ

Low Hazard 10 ft

Porches Mill Dam

Gloucester, NJ

Low Hazard 20 ft

Mullica Hill Pond Dam

Gloucester, NJ

Significant Hazard 19 ft

Daretown Lake Dam

Salem, NJ

Significant Hazard 16 ft

Veteran Memorial Lake Dam

Salem, NJ

Low Hazard 14 ft

Frequently Asked Questions

What is the hazard classification of Harrisonville Dam?

Harrisonville Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Harrisonville Dam?

Harrisonville Dam is owned by Division of Fish & Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Harrisonville Dam?

Harrisonville Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Harrisonville Dam?

Harrisonville Dam has a dam height of 15 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Harrisonville Dam last inspected?

Harrisonville Dam was last inspected on August 18, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.