Little River Watershed Site 65
Key Takeaway
Little River Watershed Site 65 is classified as significant hazard in Iowa. It was completed in 1987 and is 39 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 | 45 ft (taller than 91.4% in IA) |
| Dam Length | 1,470 ft |
| Dam Type | Earth |
| Max Storage | 6.7K acre-ft |
| Normal Storage | 959 acre-ft |
| Surface Area | 144 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1987 (39 years old) |
| NID ID | IA02349 |
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
Decatur County SWCD
Local Government
Nearby Dams
Little River Watershed Site 65-2
Decatur, IA
Low Hazard 30 ftRod and Reel Lake Dam
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Low Hazard 35 ftLittle River Watershed Site 65-1
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Low Hazard 31 ftLittle River Watershed Site 65-3
Decatur, IA
Significant Hazard 22 ftLittle River Watershed Site M-1
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High Hazard 61 ftLittle River Watershed Site 51-1
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Significant Hazard 30 ftLittle River Watershed Site 58
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Low Hazard 28 ftMc Millan Dam
Decatur, IA
Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Little River Watershed Site 65?
Little River Watershed Site 65 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 River Watershed Site 65?
Little River Watershed Site 65 is owned by Decatur County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little River Watershed Site 65 built?
Little River Watershed Site 65 was completed in 1987, making it 39 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 River Watershed Site 65?
Little River Watershed Site 65 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 River Watershed Site 65?
Little River Watershed Site 65 has a dam height of 45 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 River Watershed Site 65 last inspected?
Little River Watershed Site 65 was last inspected on June 12, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.