Clinton Mills Dam

South Branch of Raritan River· Hunterdon, New Jersey· Built 1951· Earth· 14 ft tall
Significant Hazard Recreation Private

Key Takeaway

Clinton Mills Dam is classified as significant hazard in New Jersey. It was completed in 1951 and is 75 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 14 ft (taller than 46.2% in NJ)
Dam Length218 ft
Dam TypeEarth
Normal Storage21 acre-ft
Surface Area10 acres
Drainage Area111 sq mi
Max Discharge1,906 cfs
Year Completed1951 (75 years old)
NID IDNJ00122

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: April 7, 2021
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Red Mill Museum Village

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Clinton Mills Dam?

Clinton Mills 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 Clinton Mills Dam?

Clinton Mills Dam is owned by Red Mill Museum Village (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Clinton Mills Dam built?

Clinton Mills Dam was completed in 1951, making it 75 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 Clinton Mills Dam?

Clinton Mills 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 Clinton Mills Dam?

Clinton Mills Dam has a dam height of 14 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 Clinton Mills Dam last inspected?

Clinton Mills Dam was last inspected on April 7, 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.