Stony Brook Water Shed #7 (Hunt Lake) Dam

Stony Brook-TR· Mercer, New Jersey· Built 1959· Earth· 28 ft tall
High Hazard Irrigation Local Government

Key Takeaway

Stony Brook Water Shed #7 (Hunt Lake) Dam is classified as high hazard in New Jersey. It was completed in 1959 and is 67 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 28 ft (taller than 88.4% in NJ)
Dam Length650 ft
Dam TypeEarth
Normal Storage33 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge1,731 cfs
Year Completed1959 (67 years old)
NID IDNJ00344

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: March 16, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Mercer County Soil Conservation District

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Stony Brook Water Shed #7 (Hunt Lake) Dam?

Stony Brook Water Shed #7 (Hunt Lake) Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Stony Brook Water Shed #7 (Hunt Lake) Dam?

Stony Brook Water Shed #7 (Hunt Lake) Dam is owned by Mercer County Soil Conservation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Stony Brook Water Shed #7 (Hunt Lake) Dam built?

Stony Brook Water Shed #7 (Hunt Lake) Dam was completed in 1959, making it 67 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 Stony Brook Water Shed #7 (Hunt Lake) Dam?

Stony Brook Water Shed #7 (Hunt Lake) Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Stony Brook Water Shed #7 (Hunt Lake) Dam?

Stony Brook Water Shed #7 (Hunt Lake) Dam has a dam height of 28 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 Stony Brook Water Shed #7 (Hunt Lake) Dam last inspected?

Stony Brook Water Shed #7 (Hunt Lake) Dam was last inspected on March 16, 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.