Drolc No.1
Key Takeaway
Drolc No.1 is classified as low hazard in South Dakota. It was completed in 1950 and is 76 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 54 acre-ft |
| Normal Storage | 46 acre-ft |
| Max Discharge | 1,050 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | SD00603 |
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
DAVID DROLC
Private
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Drolc No.1?
Drolc 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 Drolc No.1?
Drolc No.1 is owned by DAVID DROLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Drolc No.1 built?
Drolc No.1 was completed in 1950, making it 76 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 Drolc No.1?
Drolc No.1 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 Drolc No.1?
Drolc No.1 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.