Carl Humphrey Dam No.1
Key Takeaway
Carl Humphrey Dam No.1 is classified as low hazard in South Dakota. It was completed in 1966 and is 60 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 21 ft (taller than 40.7% in SD) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 205 acre-ft |
| Normal Storage | 150 acre-ft |
| Max Discharge | 1,400 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | SD01005 |
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
CARL HUMPHREY
Private
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What is the hazard classification of Carl Humphrey Dam No.1?
Carl Humphrey Dam 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 Carl Humphrey Dam No.1?
Carl Humphrey Dam No.1 is owned by CARL HUMPHREY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Carl Humphrey Dam No.1 built?
Carl Humphrey Dam No.1 was completed in 1966, making it 60 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 Carl Humphrey Dam No.1?
Carl Humphrey Dam 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 Carl Humphrey Dam No.1?
Carl Humphrey Dam No.1 has a dam height of 21 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.