Little Raccoon Dam No. 12b
Key Takeaway
Little Raccoon Dam No. 12b is classified as significant hazard in Indiana. It was completed in 1968 and is 58 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 47 ft (taller than 91.8% in IN) |
| Dam Length | 1,470 ft |
| Dam Type | Earth |
| Max Storage | 5.8K acre-ft |
| Normal Storage | 354 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 50,584 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | IN00158 |
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
LITTLE RACCOON CONSERV. DIST.
Local Government
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Low Hazard 55 ftFrequently Asked Questions
What is the hazard classification of Little Raccoon Dam No. 12b?
Little Raccoon Dam No. 12b 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 Little Raccoon Dam No. 12b?
Little Raccoon Dam No. 12b is owned by LITTLE RACCOON CONSERV. DIST. (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Raccoon Dam No. 12b built?
Little Raccoon Dam No. 12b 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 Little Raccoon Dam No. 12b?
Little Raccoon Dam No. 12b serves the following purposes: Flood Risk Reduction. 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. 12b?
Little Raccoon Dam No. 12b has a dam height of 47 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. 12b last inspected?
Little Raccoon Dam No. 12b was last inspected on August 30, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.