Lower York Reservoir Dam
Key Takeaway
Lower York Reservoir Dam is classified as high hazard in South Carolina. It was completed in 1926 and is 100 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 | 23 ft (taller than 56.3% in SC) |
| Max Storage | 78 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 9 acres |
| Year Completed | 1926 (100 years old) |
| NID ID | SC02143 |
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 YORK
Local Government
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Lower York Reservoir Dam?
Lower York 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 Lower York Reservoir Dam?
Lower York Reservoir Dam is owned by CITY OF YORK (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower York Reservoir Dam built?
Lower York Reservoir Dam was completed in 1926, making it 100 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 Lower York Reservoir Dam?
Lower York 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 Lower York Reservoir Dam?
Lower York Reservoir Dam has a dam height of 23 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 Lower York Reservoir Dam last inspected?
Lower York Reservoir Dam was last inspected on September 24, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.