Fertile Mill Dam
Key Takeaway
Fertile Mill Dam is classified as low hazard in Iowa. It was completed in 1929 and is 97 years old. Its primary use is recreation.
Physical Details
| Dam Height | 11 ft (taller than 2.5% in IA) |
| Dam Length | 414 ft |
| Dam Type | Gravity |
| Max Storage | 116 acre-ft |
| Normal Storage | 116 acre-ft |
| Surface Area | 260 acres |
| Drainage Area | 376 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1929 (97 years old) |
| NID ID | IA01967 |
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
Worth County Conservation Board
Local Government
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Fertile Mill Dam?
Fertile Mill 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 Fertile Mill Dam?
Fertile Mill Dam is owned by Worth County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fertile Mill Dam built?
Fertile Mill Dam was completed in 1929, making it 97 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 Fertile Mill Dam?
Fertile Mill Dam 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 Fertile Mill Dam?
Fertile Mill Dam has a dam height of 11 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.