Spruce Run Reservoir Dam
Key Takeaway
Spruce Run Reservoir Dam is classified as high hazard in New Jersey. It was completed in 1964 and is 62 years old. Its primary use is water supply. 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 | 93 ft (taller than 99% in NJ) |
| Dam Length | 5,400 ft |
| Dam Type | Earth |
| Max Storage | 46.8K acre-ft |
| Normal Storage | 33.7K acre-ft |
| Surface Area | 1,290 acres |
| Drainage Area | 41 sq mi |
| Max Discharge | 23,675 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | NJ00132 |
Safety Information
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?
Ownership
New Jersey Water Supply Authority
State Government
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What is the hazard classification of Spruce Run Reservoir Dam?
Spruce Run Reservoir 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 Spruce Run Reservoir Dam?
Spruce Run Reservoir Dam is owned by New Jersey Water Supply Authority (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spruce Run Reservoir Dam built?
Spruce Run Reservoir Dam was completed in 1964, making it 62 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 Reservoir Dam?
Spruce Run Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Spruce Run Reservoir Dam?
Spruce Run Reservoir Dam has a dam height of 93 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 Reservoir Dam last inspected?
Spruce Run Reservoir Dam was last inspected on December 9, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.