Rock Island Lake Dam
Key Takeaway
Rock Island Lake Dam is classified as low hazard in Missouri. It was completed in 1904 and is 122 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 23.5% in MO) |
| Dam Type | Earth |
| Max Storage | 201 acre-ft |
| Normal Storage | 125 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 210 sq mi |
| Year Completed | 1904 (122 years old) |
| NID ID | MO20311 |
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
BOONE INGELS JR
Private
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Rock Island Lake Dam?
Rock Island 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 Island Lake Dam?
Rock Island Lake Dam is owned by BOONE INGELS JR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Island Lake Dam built?
Rock Island Lake Dam was completed in 1904, making it 122 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 Island Lake Dam?
Rock Island Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rock Island Lake Dam?
Rock Island 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.