Maquoketa Milldam
Key Takeaway
Maquoketa Milldam is classified as low hazard in Iowa. It was completed in 1923 and is 103 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 26 ft (taller than 24.7% in IA) |
| Dam Length | 700 ft |
| Dam Type | Gravity |
| Max Storage | 4.4K acre-ft |
| Normal Storage | 4.4K acre-ft |
| Surface Area | 340 acres |
| Drainage Area | 953 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1923 (103 years old) |
| NID ID | IA01302 |
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
Renewable World Energies
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Maquoketa Milldam?
Maquoketa Milldam 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 Maquoketa Milldam?
Maquoketa Milldam is owned by Renewable World Energies (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Maquoketa Milldam built?
Maquoketa Milldam was completed in 1923, making it 103 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 Maquoketa Milldam?
Maquoketa Milldam serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Maquoketa Milldam?
Maquoketa Milldam 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 Maquoketa Milldam last inspected?
Maquoketa Milldam was last inspected on July 11, 2007. Inspection dates indicate when a formal review occurred, not the results of that inspection.