Polowniak Dam
Key Takeaway
Polowniak Dam is classified as low hazard in Missouri. It was completed in 1995 and is 31 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 29 ft (taller than 59.6% in MO) |
| Dam Length | 409 ft |
| Dam Type | Earth |
| Max Storage | 34 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 397 sq mi |
| Max Discharge | 4 cfs |
| Year Completed | 1995 (31 years old) |
| NID ID | MO50196 |
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
BRIAN POLOWNIAK
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Polowniak Dam?
Polowniak 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 Polowniak Dam?
Polowniak Dam is owned by BRIAN POLOWNIAK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Polowniak Dam built?
Polowniak Dam was completed in 1995, making it 31 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 Polowniak Dam?
Polowniak Dam serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Polowniak Dam?
Polowniak Dam has a dam height of 29 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.