Stony Brook W.S. # 5 (Baldwin) Dam

Baldwin Creek· Mercer, New Jersey· Earth· 14 ft tall
Low Hazard Flood Risk Reduction State Government

Key Takeaway

Stony Brook W.S. # 5 (Baldwin) Dam is classified as low hazard in New Jersey. Its primary use is flood risk reduction.

Physical Details

Dam Height 14 ft (taller than 46.2% in NJ)
Dam Length467 ft
Dam TypeEarth
Max Storage249 acre-ft
Normal Storage79 acre-ft
Surface Area18 acres
Drainage Area3 sq mi
NID IDNJ00388

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: June 24, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Division of Fish & Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Stony Brook W.S. # 5 (Baldwin) Dam?

Stony Brook W.S. # 5 (Baldwin) 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 Stony Brook W.S. # 5 (Baldwin) Dam?

Stony Brook W.S. # 5 (Baldwin) Dam is owned by Division of Fish & Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Stony Brook W.S. # 5 (Baldwin) Dam?

Stony Brook W.S. # 5 (Baldwin) Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Stony Brook W.S. # 5 (Baldwin) Dam?

Stony Brook W.S. # 5 (Baldwin) 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 Stony Brook W.S. # 5 (Baldwin) Dam last inspected?

Stony Brook W.S. # 5 (Baldwin) Dam was last inspected on June 24, 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.