Pompton Dam

Ramapo River· Passaic, New Jersey· Concrete· 22 ft tall
Low Hazard Recreation State Government

Key Takeaway

Pompton Dam is classified as low hazard in New Jersey. Its primary use is recreation.

Physical Details

Dam Height 22 ft (taller than 79.5% in NJ)
Dam Length1,940 ft
Dam TypeConcrete
Normal Storage58 acre-ft
Surface Area12 acres
Drainage Area161 sq mi
Max Discharge0 cfs
NID IDNJ00782

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: July 17, 2012
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Division of Parks and Forestry

State Government

Nearby Dams

Lionshead Lake Dam

Passaic, NJ

High Hazard 27 ft

Pompton Lakes Dam

Passaic, NJ

High Hazard 30 ft

Point View Dam

Passaic, NJ

High Hazard 55 ft

Pines Lake Dam

Passaic, NJ

High Hazard 42 ft

Lower Twin Lakes Dam

Passaic, NJ

Significant Hazard 10 ft

Packanack Lake Dam

Passaic, NJ

High Hazard 15 ft

Preakness Hills C.C. Dam No. 1

Passaic, NJ

High Hazard 15 ft

Upper Twin Lakes Dam

Passaic, NJ

Low Hazard 7 ft

Frequently Asked Questions

What is the hazard classification of Pompton Dam?

Pompton Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Pompton Dam?

Pompton Dam is owned by Division of Parks and Forestry (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Pompton Dam?

Pompton 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 Pompton Dam?

Pompton Dam has a dam height of 22 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 Pompton Dam last inspected?

Pompton Dam was last inspected on July 17, 2012. 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.