Mill Creek 1b
Key Takeaway
Mill Creek 1b is classified as low hazard in Wisconsin. It was completed in 1962 and is 64 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 33 ft (taller than 86.3% in WI) |
| Dam Length | 656 ft |
| Dam Type | Earth |
| Max Storage | 160 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 191 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | WI00385 |
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
Richland County
Local Government
Nearby Dams
Mill Creek 13a
Richland, WI
Low Hazard 24 ftMill Creek 13b
Richland, WI
Significant Hazard 30 ftSequoia
Richland, WI
Low Hazard 26 ftMill Creek 3
Richland, WI
Low Hazard 31 ftNorth Pork Manure Pit
Richland, WI
Significant Hazard 47 ftMill Creek 9a
Richland, WI
Significant Hazard 29 ftMill Creek 10
Richland, WI
Low Hazard 36 ftMill Creek 6
Richland, WI
High Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Mill Creek 1b?
Mill Creek 1b 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 Mill Creek 1b?
Mill Creek 1b is owned by Richland County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Creek 1b built?
Mill Creek 1b was completed in 1962, making it 64 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 Mill Creek 1b?
Mill Creek 1b serves the following purposes: Flood Risk Reduction, Recreation, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mill Creek 1b?
Mill Creek 1b has a dam height of 33 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 Mill Creek 1b last inspected?
Mill Creek 1b was last inspected on June 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.