M. Webb
Key Takeaway
M. Webb is classified as low hazard in South Dakota. It was completed in 1946 and is 80 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 13 ft (taller than 5.1% in SD) |
| Dam Length | 260 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 20 acre-ft |
| Max Discharge | 990 cfs |
| Year Completed | 1946 (80 years old) |
| NID ID | SD00890 |
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
M. WEBB
Private
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M. Webb
Dewey, SD
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of M. Webb?
M. Webb 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 M. Webb?
M. Webb is owned by M. WEBB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was M. Webb built?
M. Webb was completed in 1946, making it 80 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 M. Webb?
M. Webb 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 M. Webb?
M. Webb has a dam height of 13 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.