Arsenal Power
Key Takeaway
Arsenal Power is classified as low hazard in Illinois. It was completed in 1878 and is 148 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 26 ft (taller than 47.1% in IL) |
| Dam Length | 728 ft |
| Dam Type | Concrete |
| Max Storage | 30.0K acre-ft |
| Normal Storage | 30.0K acre-ft |
| Max Discharge | 312,000 cfs |
| Year Completed | 1878 (148 years old) |
| NID ID | IL00798 |
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 Island Arsenal
Federal Government
Nearby Dams
Moline Power
Rock Island, IL
Low Hazard 31 ftMississippi River Locks and Dam 15
Scott, IA
Significant HazardSteel
Rock Island, IL
Low Hazard 6 ftThf Stormwater Detention Dam
Scott, IA
Low Hazard 29 ftSears Dam
Rock Island, IL
Low Hazard 16 ftJohn Deere Davenport Works Dam
Scott, IA
Significant Hazard 24 ftDeere & Co. Dam
Scott, IA
Low Hazard 15 ftLake of The Hills Dam
Scott, IA
High Hazard 48 ftFrequently Asked Questions
What is the hazard classification of Arsenal Power?
Arsenal Power 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 Arsenal Power?
Arsenal Power is owned by Rock Island Arsenal (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arsenal Power built?
Arsenal Power was completed in 1878, making it 148 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 Arsenal Power?
Arsenal Power serves the following purposes: Hydroelectric, Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Arsenal Power?
Arsenal Power has a dam height of 26 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 Arsenal Power last inspected?
Arsenal Power was last inspected on August 29, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.