Rock Island Lake Dam
Key Takeaway
Rock Island Lake Dam is classified as low hazard in Ohio. It was completed in 1964 and is 62 years old. Its primary use is recreation.
Physical Details
| Dam Height | 34 ft (taller than 71.7% in OH) |
| Dam Length | 170 ft |
| Dam Type | Earth |
| Max Storage | 110 acre-ft |
| Normal Storage | 74 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 366 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | OH01007 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Roberta A. Raymond
Private
Nearby Dams
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Rock Island Lake Dam?
Rock Island Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rock Island Lake Dam?
Rock Island Lake Dam is owned by Roberta A. Raymond (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Island Lake Dam built?
Rock Island Lake Dam was completed in 1964, making it 62 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 Rock Island Lake Dam?
Rock Island Lake 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 Rock Island Lake Dam?
Rock Island Lake Dam has a dam height of 34 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 Rock Island Lake Dam last inspected?
Rock Island Lake Dam was last inspected on April 19, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.