Split Rock Pond Dam
Key Takeaway
Split Rock Pond Dam is classified as high hazard in New Jersey. It was completed in 1948 and is 78 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 | 39 ft (taller than 94.9% in NJ) |
| Dam Length | 490 ft |
| Dam Type | Concrete |
| Normal Storage | 9.5K acre-ft |
| Surface Area | 566 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1948 (78 years old) |
| NID ID | NJ00264 |
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
Jersey City Municipal Utilities Authority
Local Government
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Significant Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Split Rock Pond Dam?
Split Rock Pond 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 Split Rock Pond Dam?
Split Rock Pond Dam is owned by Jersey City Municipal Utilities Authority (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Split Rock Pond Dam built?
Split Rock Pond Dam was completed in 1948, making it 78 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 Split Rock Pond Dam?
Split Rock Pond 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 Split Rock Pond Dam?
Split Rock Pond Dam has a dam height of 39 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 Split Rock Pond Dam last inspected?
Split Rock Pond Dam was last inspected on July 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.