Thomas Lake Dam
Key Takeaway
Thomas Lake Dam is classified as significant hazard in Indiana. It was completed in 1938 and is 88 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 38 ft (taller than 82.5% in IN) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 311 acre-ft |
| Normal Storage | 205 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 649 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | IN00399 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
THOMAS LAKE ASSOCIATION INC.
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Thomas Lake Dam?
Thomas Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Thomas Lake Dam?
Thomas Lake Dam is owned by THOMAS LAKE ASSOCIATION INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thomas Lake Dam built?
Thomas Lake Dam was completed in 1938, making it 88 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 Thomas Lake Dam?
Thomas 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 Thomas Lake Dam?
Thomas Lake Dam has a dam height of 38 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 Thomas Lake Dam last inspected?
Thomas Lake Dam was last inspected on October 10, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.