Hern Lake Dam
Key Takeaway
Hern Lake Dam is classified as low hazard in Indiana. It was completed in 1968 and is 58 years old. Its primary use is recreation.
Physical Details
| Dam Height | 20 ft (taller than 23% in IN) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 17 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | IN00685 |
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
OTIS EGGERS
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Hern Lake Dam?
Hern 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 Hern Lake Dam?
Hern Lake Dam is owned by OTIS EGGERS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hern Lake Dam built?
Hern Lake Dam was completed in 1968, making it 58 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 Hern Lake Dam?
Hern 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 Hern Lake Dam?
Hern Lake Dam has a dam height of 20 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 Hern Lake Dam last inspected?
Hern Lake Dam was last inspected on May 9, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.