Union Creek No 12
Key Takeaway
Union Creek No 12 is classified as low hazard in South Dakota. It was completed in 1976 and is 50 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 37 ft (taller than 95.4% in SD) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 59 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 386 cfs |
| Year Completed | 1976 (50 years old) |
| NID ID | SD02286 |
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
UNION CK WATERSHED DIST.
Local Government
Nearby Dams
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Low Hazard 30 ftGant Creek Watershed Site D-3
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Low Hazard 36 ftGant Creek Watershed Site D-5
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Low Hazard 47 ftGant Creek Watershed Site D-6
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Union Creek No 12?
Union Creek No 12 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 Union Creek No 12?
Union Creek No 12 is owned by UNION CK WATERSHED DIST. (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Union Creek No 12 built?
Union Creek No 12 was completed in 1976, making it 50 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 Union Creek No 12?
Union Creek No 12 serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Union Creek No 12?
Union Creek No 12 has a dam height of 37 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.