Jumping Brook Dam

Jumping Brook· Monmouth, New Jersey· Built 1907· Earth· 10 ft tall
Low Hazard Water Supply Private

Key Takeaway

Jumping Brook Dam is classified as low hazard in New Jersey. It was completed in 1907 and is 119 years old. Its primary use is water supply.

Physical Details

Dam Height 10 ft (taller than 17.8% in NJ)
Dam Length300 ft
Dam TypeEarth
Max Storage130 acre-ft
Normal Storage60 acre-ft
Surface Area13 acres
Drainage Area6 sq mi
Max Discharge1,200 cfs
Year Completed1907 (119 years old)
NID IDNJ00084

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: April 14, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

New Jersey-American Water Company

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Jumping Brook Dam?

Jumping Brook 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 Jumping Brook Dam?

Jumping Brook Dam is owned by New Jersey-American Water Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Jumping Brook Dam built?

Jumping Brook Dam was completed in 1907, making it 119 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Jumping Brook Dam?

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

How tall is Jumping Brook Dam?

Jumping Brook Dam has a dam height of 10 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 Jumping Brook Dam last inspected?

Jumping Brook Dam was last inspected on April 14, 2022. 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.