Dry Hole
Key Takeaway
Dry Hole is classified as low hazard in South Dakota. It was completed in 1951 and is 75 years old. Its primary use is water supply.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 820 ft |
| Dam Type | Earth |
| Max Storage | 151 acre-ft |
| Normal Storage | 129 acre-ft |
| Max Discharge | 840 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | SD01199 |
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
S&PL
State Government
Nearby Dams
Stinking Buffalo
Harding, SD
Low Hazard 19 ftLittle Pond
Harding, SD
Low Hazard 20 ftDead Buffalo
Harding, SD
Low Hazard 28 ftLeo Ruona Pond No.1
Harding, SD
Low Hazard 16 ftLemm Dam
Harding, SD
Low Hazard 20 ftMeat Hook No.1
Harding, SD
Low Hazard 17 ftSd Noname 231
Harding, SD
Low Hazard 16 ftLimpert No. 2
Harding, SD
Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Dry Hole?
Dry Hole 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 Dry Hole?
Dry Hole is owned by S&PL (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dry Hole built?
Dry Hole was completed in 1951, making it 75 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 Dry Hole?
Dry Hole serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dry Hole?
Dry Hole has a dam height of 27 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.
When was Dry Hole last inspected?
Dry Hole was last inspected on December 18, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.