Nelson South Wetland Dam
Key Takeaway
Nelson South Wetland Dam is classified as low hazard in Iowa. It was completed in 2004 and is 22 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 10 ft (taller than 2.1% in IA) |
| Dam Length | 2,500 ft |
| Dam Type | Earth |
| Max Storage | 151 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2004 (22 years old) |
| NID ID | IA03755 |
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
Pocahontas County Conservation Board
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Nelson South Wetland Dam?
Nelson South Wetland 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 Nelson South Wetland Dam?
Nelson South Wetland Dam is owned by Pocahontas County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nelson South Wetland Dam built?
Nelson South Wetland Dam was completed in 2004, making it 22 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 Nelson South Wetland Dam?
Nelson South Wetland Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Nelson South Wetland Dam?
Nelson South Wetland Dam has a dam height of 10 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.