Little Raccoon Dam No. 2d - Dwyer Dam
Key Takeaway
Little Raccoon Dam No. 2d - Dwyer Dam is classified as high hazard in Indiana. It was completed in 1975 and is 51 years old. Its primary use is flood risk reduction. 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 | 41 ft (taller than 87.2% in IN) |
| Dam Length | 460 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 166 acre-ft |
| Surface Area | 92 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 14,631 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | IN00697 |
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
LITTLE RACCOON CONSERVANCY DISTRICT
Local Government
Nearby Dams
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High Hazard 22 ftLittle Raccoon Dam No. 3 - Earl Dam
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High Hazard 43 ftLittle Raccoon Dam No. 21
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Significant Hazard 25 ftLittle Raccoon Dam No. 16
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Low Hazard 41 ftLittle Raccoon Dam No. 17
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Low Hazard 36 ftLittle Raccoon Dam No. 22
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Significant Hazard 22 ftLittle Raccoon Dam No. 15
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Low Hazard 55 ftFrequently Asked Questions
What is the hazard classification of Little Raccoon Dam No. 2d - Dwyer Dam?
Little Raccoon Dam No. 2d - Dwyer 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 Little Raccoon Dam No. 2d - Dwyer Dam?
Little Raccoon Dam No. 2d - Dwyer Dam is owned by LITTLE RACCOON CONSERVANCY DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Raccoon Dam No. 2d - Dwyer Dam built?
Little Raccoon Dam No. 2d - Dwyer Dam was completed in 1975, making it 51 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 Little Raccoon Dam No. 2d - Dwyer Dam?
Little Raccoon Dam No. 2d - Dwyer Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Little Raccoon Dam No. 2d - Dwyer Dam?
Little Raccoon Dam No. 2d - Dwyer Dam has a dam height of 41 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 Little Raccoon Dam No. 2d - Dwyer Dam last inspected?
Little Raccoon Dam No. 2d - Dwyer Dam was last inspected on December 11, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.