Bull Creek #4
Key Takeaway
Bull Creek #4 is classified as high hazard in Colorado. It was completed in 1901 and is 125 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 32 ft (taller than 70.4% in CO) |
| Dam Length | 1,094 ft |
| Dam Type | Earth |
| Max Storage | 611 acre-ft |
| Normal Storage | 425 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,200 cfs |
| Year Completed | 1901 (125 years old) |
| Year Modified | 2010 |
| NID ID | CO00897 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
BULL CREEK RES. CO. (GROO, JOHN)
Private
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Bull Creek #4?
Bull Creek #4 is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Bull Creek #4?
Bull Creek #4 is owned by BULL CREEK RES. CO. (GROO, JOHN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bull Creek #4 built?
Bull Creek #4 was completed in 1901, making it 125 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 Bull Creek #4?
Bull Creek #4 serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Bull Creek #4?
Bull Creek #4 has a dam height of 32 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 Bull Creek #4 last inspected?
Bull Creek #4 was last inspected on July 26, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.