Rock Valley Lake Dam
Key Takeaway
Rock Valley Lake Dam is classified as low hazard in Missouri. It was completed in 1947 and is 79 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 25 ft (taller than 23.5% in MO) |
| Dam Type | Earth |
| Max Storage | 120 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 365 sq mi |
| Year Completed | 1947 (79 years old) |
| NID ID | MO30003 |
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
ROCK VALLEY LAKE INC
Private
Nearby Dams
Eddleman Lake Dam
Perry, MO
High Hazard 32 ftPerry County Comm. Lake Dam
Perry, MO
High Hazard 47 ftMach Lake Dam
Perry, MO
Low Hazard 29 ftKool Breeze Ridge Dam
Perry, MO
High Hazard 39 ftMary's Lake Dam
Perry, MO
Low Hazard 30 ftLoness Dam
Perry, MO
Low Hazard 25 ftEllis Lake Dam
Perry, MO
High Hazard 29 ftLakenan Lake Dam
Perry, MO
High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Rock Valley Lake Dam?
Rock Valley Lake 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 Rock Valley Lake Dam?
Rock Valley Lake Dam is owned by ROCK VALLEY LAKE INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Valley Lake Dam built?
Rock Valley Lake Dam was completed in 1947, making it 79 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 Rock Valley Lake Dam?
Rock Valley Lake 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 Rock Valley Lake Dam?
Rock Valley Lake Dam has a dam height of 25 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.