Udager Dam
Key Takeaway
Udager Dam is classified as low hazard in South Dakota. It was completed in 1948 and is 78 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 51 acre-ft |
| Normal Storage | 28 acre-ft |
| Max Discharge | 1,200 cfs |
| Year Completed | 1948 (78 years old) |
| NID ID | SD00303 |
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
PATRICK L. OCONNOR
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Udager Dam?
Udager 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 Udager Dam?
Udager Dam is owned by PATRICK L. OCONNOR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Udager Dam built?
Udager Dam was completed in 1948, making it 78 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 Udager Dam?
Udager Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Udager Dam?
Udager Dam has a dam height of 20 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.