Logan Thoene No.1
Key Takeaway
Logan Thoene No.1 is classified as low hazard in South Dakota. It was completed in 1975 and is 51 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 63 ft (taller than 99.2% in SD) |
| Dam Length | 882 ft |
| Dam Type | Earth |
| Max Storage | 600 acre-ft |
| Normal Storage | 480 acre-ft |
| Max Discharge | 1,390 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | SD02191 |
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
LOGAN THOENE
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Logan Thoene No.1?
Logan Thoene No.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 Logan Thoene No.1?
Logan Thoene No.1 is owned by LOGAN THOENE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Logan Thoene No.1 built?
Logan Thoene No.1 was completed in 1975, making it 51 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 Logan Thoene No.1?
Logan Thoene No.1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Logan Thoene No.1?
Logan Thoene No.1 has a dam height of 63 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.