New Jersey No Name # 11 Dam

Branch of Dry Brook· Sussex, New Jersey· Built 1957· Earth· 12 ft tall
Significant Hazard Recreation Private

Key Takeaway

New Jersey No Name # 11 Dam is classified as significant hazard in New Jersey. It was completed in 1957 and is 69 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 12 ft (taller than 31.2% in NJ)
Dam Length288 ft
Dam TypeEarth
Max Storage125 acre-ft
Normal Storage100 acre-ft
Surface Area15 acres
Drainage Area0 sq mi
Max Discharge213 cfs
Year Completed1957 (69 years old)
NID IDNJ00345

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: September 10, 2021
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Charles & Harriette Ansbach

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of New Jersey No Name # 11 Dam?

New Jersey No Name # 11 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 New Jersey No Name # 11 Dam?

New Jersey No Name # 11 Dam is owned by Charles & Harriette Ansbach (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was New Jersey No Name # 11 Dam built?

New Jersey No Name # 11 Dam was completed in 1957, making it 69 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 New Jersey No Name # 11 Dam?

New Jersey No Name # 11 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 New Jersey No Name # 11 Dam?

New Jersey No Name # 11 Dam has a dam height of 12 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 New Jersey No Name # 11 Dam last inspected?

New Jersey No Name # 11 Dam was last inspected on September 10, 2021. 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.