Navarino Marsh 1
Key Takeaway
Navarino Marsh 1 is classified as low hazard in Wisconsin. It was completed in 1971 and is 55 years old. Its primary use is other.
Physical Details
| Dam Height | 7 ft (taller than 1% in WI) |
| Dam Length | 6,760 ft |
| Dam Type | Earth |
| Max Storage | 740 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 150 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 100 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | WI00936 |
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
Wisconsin Department of Natural Resources
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Navarino Marsh 1?
Navarino Marsh 1 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 Navarino Marsh 1?
Navarino Marsh 1 is owned by Wisconsin Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Navarino Marsh 1 built?
Navarino Marsh 1 was completed in 1971, making it 55 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 Navarino Marsh 1?
Navarino Marsh 1 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Navarino Marsh 1?
Navarino Marsh 1 has a dam height of 7 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 Navarino Marsh 1 last inspected?
Navarino Marsh 1 was last inspected on April 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.