Patterson Dam
Key Takeaway
Patterson Dam is classified as low hazard in Iowa. It was completed in 2018 and is 8 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 32 ft (taller than 58.4% in IA) |
| Dam Length | 447 ft |
| Dam Type | Earth |
| Max Storage | 57 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2018 (8 years old) |
| NID ID | IA04299 |
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
Thomas Patterson
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Patterson Dam?
Patterson 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 Patterson Dam?
Patterson Dam is owned by Thomas Patterson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Patterson Dam built?
Patterson Dam was completed in 2018, making it 8 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 Patterson Dam?
Patterson Dam serves the following purposes: Grade Stabilization, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Patterson Dam?
Patterson Dam has a dam height of 32 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.