Griggs Lake Dam
Key Takeaway
Griggs Lake Dam is classified as high hazard in Indiana. It was completed in 1964 and is 62 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 | 22 ft (taller than 30.9% in IN) |
| Dam Length | 385 ft |
| Dam Type | Earth |
| Max Storage | 82 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 46 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | IN00722 |
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
JAMES H AND CYMONE PINDER GRIGGS
Private
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High Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Griggs Lake Dam?
Griggs Lake 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 Griggs Lake Dam?
Griggs Lake Dam is owned by JAMES H AND CYMONE PINDER GRIGGS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Griggs Lake Dam built?
Griggs 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 Griggs Lake Dam?
Griggs 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 Griggs Lake Dam?
Griggs Lake Dam has a dam height of 22 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 Griggs Lake Dam last inspected?
Griggs Lake Dam was last inspected on February 27, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.