Central City Milldam
Key Takeaway
Central City Milldam is classified as low hazard in Iowa. It was completed in 1965 and is 61 years old. Its primary use is recreation.
Physical Details
| Dam Height | 14 ft (taller than 4.2% in IA) |
| Dam Length | 490 ft |
| Dam Type | Gravity |
| Max Storage | 170 acre-ft |
| Normal Storage | 170 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1,263 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | IA01271 |
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
Linn County Conservation Board
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Central City Milldam?
Central City 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 Central City Milldam?
Central City Milldam is owned by Linn County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Central City Milldam built?
Central City Milldam was completed in 1965, making it 61 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 Central City Milldam?
Central City Milldam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Central City Milldam?
Central City Milldam has a dam height of 14 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 Central City Milldam last inspected?
Central City Milldam was last inspected on September 27, 1989. Inspection dates indicate when a formal review occurred, not the results of that inspection.