William Smith
Key Takeaway
William Smith is classified as low hazard in South Dakota. It was completed in 1956 and is 70 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 24 ft (taller than 53.3% in SD) |
| Dam Length | 730 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 47 acre-ft |
| Max Discharge | 3,443 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | SD01145 |
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
WILLIAM SMITH
Private
Nearby Dams
Petersen Dam
Lyman, SD
Low Hazard 11 ftNels (Nid)
Lyman, SD
Low Hazard 18 ftMallard Dam
Lyman, SD
Low Hazard 20 ftWilliams 783
Stanley, SD
Low Hazard 14 ftAlfred Urban
Lyman, SD
Low Hazard 25 ftEhlers Dam
Lyman, SD
Low Hazard 16 ftDouble Dam
Stanley, SD
Low Hazard 21 ftWilliams No 3 (Nid)
Stanley, SD
Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of William Smith?
William Smith 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 William Smith?
William Smith is owned by WILLIAM SMITH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was William Smith built?
William Smith was completed in 1956, making it 70 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 William Smith?
William Smith 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 William Smith?
William Smith has a dam height of 24 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.