Griffy Reservoir Dam
Key Takeaway
Griffy Reservoir Dam is classified as high hazard in Indiana. It was completed in 1924 and is 102 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 | 44 ft (taller than 90.1% in IN) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 2.4K acre-ft |
| Normal Storage | 1.3K acre-ft |
| Surface Area | 106 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 19,749 cfs |
| Year Completed | 1924 (102 years old) |
| NID ID | IN00359 |
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
Steve Glasgow
Public Utility
Nearby Dams
University Lake Dam
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Low Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Griffy Reservoir Dam?
Griffy 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 Griffy Reservoir Dam?
Griffy Reservoir Dam is owned by Steve Glasgow (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Griffy Reservoir Dam built?
Griffy Reservoir Dam was completed in 1924, making it 102 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 Griffy Reservoir Dam?
Griffy Reservoir 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 Griffy Reservoir Dam?
Griffy Reservoir Dam has a dam height of 44 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 Griffy Reservoir Dam last inspected?
Griffy Reservoir Dam was last inspected on September 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.