30 Foot Dam
Key Takeaway
30 Foot Dam is classified as high hazard in New York. It was completed in 1903 and is 123 years old. Its primary use is recreation. 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 | 36 ft (taller than 85.3% in NY) |
| Dam Length | 86 ft |
| Dam Type | Arch |
| Max Storage | 397 acre-ft |
| Normal Storage | 287 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 47 sq mi |
| Year Completed | 1903 (123 years old) |
| NID ID | NY00395 |
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 ITHACA
Local Government
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What is the hazard classification of 30 Foot Dam?
30 Foot 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 30 Foot Dam?
30 Foot Dam is owned by CITY OF ITHACA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was 30 Foot Dam built?
30 Foot Dam was completed in 1903, making it 123 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 30 Foot Dam?
30 Foot Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is 30 Foot Dam?
30 Foot Dam has a dam height of 36 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 30 Foot Dam last inspected?
30 Foot Dam was last inspected on November 26, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.