Lynch Dam
Key Takeaway
Lynch Dam is classified as low hazard in Iowa. It was completed in 2013 and is 13 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 22 ft (taller than 10.6% in IA) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 56 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2013 (13 years old) |
| NID ID | IA04225 |
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
Layson Lynch
Private
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Lynch Dam?
Lynch 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 Lynch Dam?
Lynch Dam is owned by Layson Lynch (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lynch Dam built?
Lynch Dam was completed in 2013, making it 13 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 Lynch Dam?
Lynch Dam serves the following purposes: Flood Risk Reduction, Grade Stabilization, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lynch Dam?
Lynch Dam has a dam height of 22 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.