Spruce Run Flow Measuring Weir Dam

Spruce Run· Hunterdon, New Jersey· Built 1960· Concrete· 9 ft tall
Low Hazard Other State Government

Key Takeaway

Spruce Run Flow Measuring Weir Dam is classified as low hazard in New Jersey. It was completed in 1960 and is 66 years old. Its primary use is other.

Physical Details

Dam Height 9 ft (taller than 12.9% in NJ)
Dam Length200 ft
Dam TypeConcrete
Max Storage102 acre-ft
Normal Storage52 acre-ft
Surface Area12 acres
Drainage Area41 sq mi
Max Discharge4,060 cfs
Year Completed1960 (66 years old)
NID IDNJ01055

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: December 9, 2019
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

NJWSA

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Spruce Run Flow Measuring Weir Dam?

Spruce Run Flow Measuring Weir 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 Spruce Run Flow Measuring Weir Dam?

Spruce Run Flow Measuring Weir Dam is owned by NJWSA (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Spruce Run Flow Measuring Weir Dam built?

Spruce Run Flow Measuring Weir Dam was completed in 1960, making it 66 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 Spruce Run Flow Measuring Weir Dam?

Spruce Run Flow Measuring Weir Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Spruce Run Flow Measuring Weir Dam?

Spruce Run Flow Measuring Weir Dam has a dam height of 9 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 Spruce Run Flow Measuring Weir Dam last inspected?

Spruce Run Flow Measuring Weir Dam was last inspected on December 9, 2019. 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.