Riley Dam
Key Takeaway
Riley Dam is classified as low hazard in Missouri. It was completed in 1996 and is 30 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 20 ft (taller than 7.1% in MO) |
| Dam Length | 730 ft |
| Dam Type | Earth |
| Max Storage | 164 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 26 sq mi |
| Max Discharge | 75 cfs |
| Year Completed | 1996 (30 years old) |
| NID ID | MO50687 |
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
BOB RILEY
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Riley Dam?
Riley 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 Riley Dam?
Riley Dam is owned by BOB RILEY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Riley Dam built?
Riley Dam was completed in 1996, making it 30 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 Riley Dam?
Riley Dam serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Riley Dam?
Riley Dam has a dam height of 20 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.