Port Jervis Reservoir #3 Dike
Key Takeaway
Port Jervis Reservoir #3 Dike is classified as high hazard in New York. It was completed in 1912 and is 114 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 | 12 ft (taller than 23.2% in NY) |
| Dam Length | 970 ft |
| Dam Type | Earth |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 1.2K acre-ft |
| Surface Area | 71 acres |
| Year Completed | 1912 (114 years old) |
| NID ID | NY00496 |
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
CITY OF PORT JERVIS
Local Government
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Significant Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Port Jervis Reservoir #3 Dike?
Port Jervis Reservoir #3 Dike 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 Port Jervis Reservoir #3 Dike?
Port Jervis Reservoir #3 Dike is owned by CITY OF PORT JERVIS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Port Jervis Reservoir #3 Dike built?
Port Jervis Reservoir #3 Dike was completed in 1912, making it 114 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 Port Jervis Reservoir #3 Dike?
Port Jervis Reservoir #3 Dike 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 Port Jervis Reservoir #3 Dike?
Port Jervis Reservoir #3 Dike has a dam height of 12 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 Port Jervis Reservoir #3 Dike last inspected?
Port Jervis Reservoir #3 Dike was last inspected on December 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.