Ischua Creek Watershed Dam #4
Key Takeaway
Ischua Creek Watershed Dam #4 is classified as high hazard in New York. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction. 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 | 51 ft (taller than 92.4% in NY) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 302 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 8,650 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | NY00626 |
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
CATTARAUGUS COUNTY;Cattaraugus County
Local Government
Nearby Dams
Ischua Creek Watershed Dam #6a
Cattaraugus, NY
High Hazard 63 ftIschua Creek Watershed Dam #3
Cattaraugus, NY
Significant Hazard 38 ftIschua Creek Watershed Dam #2
Cattaraugus, NY
High Hazard 42 ftIschua Creek Watershed Dam #5
Cattaraugus, NY
High Hazard 54 ftHarwood Lake Dam
Cattaraugus, NY
High Hazard 22 ftCamp Lakeland Pond Dam
Cattaraugus, NY
Low Hazard 47 ftLyle Harwood Recreational Pond Dam
Cattaraugus, NY
Low Hazard 13 ftIschua Creek Watershed Dam #1
Cattaraugus, NY
High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Ischua Creek Watershed Dam #4?
Ischua Creek Watershed Dam #4 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 Ischua Creek Watershed Dam #4?
Ischua Creek Watershed Dam #4 is owned by CATTARAUGUS COUNTY;Cattaraugus County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ischua Creek Watershed Dam #4 built?
Ischua Creek Watershed Dam #4 was completed in 1961, making it 65 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 Ischua Creek Watershed Dam #4?
Ischua Creek Watershed Dam #4 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 Ischua Creek Watershed Dam #4?
Ischua Creek Watershed Dam #4 has a dam height of 51 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 Ischua Creek Watershed Dam #4 last inspected?
Ischua Creek Watershed Dam #4 was last inspected on November 13, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.