Coal Bank Watershed Cb-1
Key Takeaway
Coal Bank Watershed Cb-1 is classified as low hazard in Colorado. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 51 ft (taller than 88.6% in CO) |
| Dam Length | 2,544 ft |
| Dam Type | Earth |
| Max Storage | 2.8K acre-ft |
| Normal Storage | 2.1K acre-ft |
| Surface Area | 139 acres |
| Drainage Area | 27 sq mi |
| Max Discharge | 8,029 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | CO00128 |
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
NATURAL RESOURCES CONSERVATION SERVICE AREA 2
Federal Government
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Significant Hazard 24 ftEaton - Law
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High Hazard 43 ftFrequently Asked Questions
What is the hazard classification of Coal Bank Watershed Cb-1?
Coal Bank Watershed Cb-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 Coal Bank Watershed Cb-1?
Coal Bank Watershed Cb-1 is owned by NATURAL RESOURCES CONSERVATION SERVICE AREA 2 (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coal Bank Watershed Cb-1 built?
Coal Bank Watershed Cb-1 was completed in 1961, making it 65 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 Coal Bank Watershed Cb-1?
Coal Bank Watershed Cb-1 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 Coal Bank Watershed Cb-1?
Coal Bank Watershed Cb-1 has a dam height of 51 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 Coal Bank Watershed Cb-1 last inspected?
Coal Bank Watershed Cb-1 was last inspected on August 30, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.