Happy Hollow Lake Dam
Key Takeaway
Happy Hollow Lake Dam is classified as low hazard in Indiana. It was completed in 1952 and is 74 years old. Its primary use is recreation.
Physical Details
| Dam Height | 38 ft (taller than 82.5% in IN) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 235 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 776 cfs |
| Year Completed | 1952 (74 years old) |
| NID ID | IN00011 |
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
HAPPY HOLLOW CHILDRENS CAMP
Private
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High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Happy Hollow Lake Dam?
Happy Hollow 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 Happy Hollow Lake Dam?
Happy Hollow Lake Dam is owned by HAPPY HOLLOW CHILDRENS CAMP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Happy Hollow Lake Dam built?
Happy Hollow Lake Dam was completed in 1952, making it 74 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 Happy Hollow Lake Dam?
Happy Hollow 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 Happy Hollow Lake Dam?
Happy Hollow 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 Happy Hollow Lake Dam last inspected?
Happy Hollow Lake Dam was last inspected on July 30, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.