Big Sandy Creek Watershed N-21
Key Takeaway
Big Sandy Creek Watershed N-21 is classified as low hazard in Colorado. It was completed in 1959 and is 67 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 26 ft (taller than 56.3% in CO) |
| Dam Length | 1,824 ft |
| Dam Type | Earth |
| Max Storage | 368 acre-ft |
| Normal Storage | 208 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,535 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | CO00561 |
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
DOUBLE EL SCD, BOARD (DEVIN SCHINZEL, BOARD PRESID
Local Government
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Big Sandy Creek Watershed N-21?
Big Sandy Creek Watershed N-21 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 Big Sandy Creek Watershed N-21?
Big Sandy Creek Watershed N-21 is owned by DOUBLE EL SCD, BOARD (DEVIN SCHINZEL, BOARD PRESID (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Sandy Creek Watershed N-21 built?
Big Sandy Creek Watershed N-21 was completed in 1959, making it 67 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 Big Sandy Creek Watershed N-21?
Big Sandy Creek Watershed N-21 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Big Sandy Creek Watershed N-21?
Big Sandy Creek Watershed N-21 has a dam height of 26 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 Big Sandy Creek Watershed N-21 last inspected?
Big Sandy Creek Watershed N-21 was last inspected on October 15, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.