Little Yellow 27
Key Takeaway
Little Yellow 27 is classified as low hazard in Wisconsin. It was completed in 1935 and is 91 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 9 ft (taller than 12% in WI) |
| Dam Length | 1,190 ft |
| Dam Type | Gravity |
| Max Storage | 180 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 597 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | WI00580 |
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
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Little Yellow 27?
Little Yellow 27 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 Little Yellow 27?
Little Yellow 27 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 Little Yellow 27 built?
Little Yellow 27 was completed in 1935, making it 91 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 Little Yellow 27?
Little Yellow 27 serves the following purposes: Irrigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Little Yellow 27?
Little Yellow 27 has a dam height of 9 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 Little Yellow 27 last inspected?
Little Yellow 27 was last inspected on November 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.