Lake Hudsonia Dam

Hibernia Creek· Morris, New Jersey· Earth· 10 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Lake Hudsonia 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 10 ft (taller than 17.8% in NJ)
Dam Length440 ft
Dam TypeEarth
Normal Storage56 acre-ft
Surface Area11 acres
Drainage Area2 sq mi
Max Discharge76 cfs
NID IDNJ00753

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: November 24, 2020
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Township of Rockaway

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Hudsonia Dam?

Lake Hudsonia 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 Lake Hudsonia Dam?

Lake Hudsonia Dam is owned by Township of Rockaway (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lake Hudsonia Dam?

Lake Hudsonia 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 Lake Hudsonia Dam?

Lake Hudsonia 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 Lake Hudsonia Dam last inspected?

Lake Hudsonia Dam was last inspected on November 24, 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.