Little Raccoon Dam No. 2c - Rockville Dam
Key Takeaway
Little Raccoon Dam No. 2c - Rockville Dam is classified as high hazard in Indiana. It was completed in 1971 and is 55 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 | 55 ft (taller than 95.4% in IN) |
| Dam Length | 930 ft |
| Dam Type | Earth |
| Max Storage | 2.9K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 18,250 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | IN00201 |
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
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Low Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Little Raccoon Dam No. 2c - Rockville Dam?
Little Raccoon Dam No. 2c - Rockville 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. 2c - Rockville Dam?
Little Raccoon Dam No. 2c - Rockville 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. 2c - Rockville Dam built?
Little Raccoon Dam No. 2c - Rockville Dam was completed in 1971, making it 55 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. 2c - Rockville Dam?
Little Raccoon Dam No. 2c - Rockville 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. 2c - Rockville Dam?
Little Raccoon Dam No. 2c - Rockville Dam has a dam height of 55 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. 2c - Rockville Dam last inspected?
Little Raccoon Dam No. 2c - Rockville Dam was last inspected on December 10, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.