Dreyfus
Key Takeaway
Dreyfus is classified as low hazard in Colorado. It was completed in 1961 and is 65 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 24 ft (taller than 49.9% in CO) |
| Dam Length | 420 ft |
| Dam Type | Earth |
| Max Storage | 170 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 848 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | CO00570 |
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
WARD, STEPHEN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Dreyfus?
Dreyfus 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 Dreyfus?
Dreyfus is owned by WARD, STEPHEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dreyfus built?
Dreyfus 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 Dreyfus?
Dreyfus serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dreyfus?
Dreyfus has a dam height of 24 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 Dreyfus last inspected?
Dreyfus was last inspected on June 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.