Cottonwood #1
Key Takeaway
Cottonwood #1 is classified as high hazard in Colorado. It was completed in 1894 and is 132 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 | 31 ft (taller than 68.6% in CO) |
| Dam Length | 410 ft |
| Dam Type | Earth |
| Max Storage | 2.4K acre-ft |
| Normal Storage | 1.9K acre-ft |
| Surface Area | 105 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 426 cfs |
| Year Completed | 1894 (132 years old) |
| NID ID | CO01754 |
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
COTTONWOOD RES COMPANY (CURRIER, PRESIDENT, CARLYL
Private
Nearby Dams
Fred Decamp
Mesa, CO
Low Hazard 14 ftCurrier
Mesa, CO
Significant Hazard 11 ftCottonwood #2
Mesa, CO
Significant Hazard 17 ftKitson
Mesa, CO
High Hazard 18 ftCottonwood #4
Mesa, CO
High Hazard 17 ftBlackman_*
Mesa, CO
Significant Hazard 22 ftCottonwood #5
Mesa, CO
High Hazard 22 ftParker Basin #2
Mesa, CO
Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Cottonwood #1?
Cottonwood #1 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 Cottonwood #1?
Cottonwood #1 is owned by COTTONWOOD RES COMPANY (CURRIER, PRESIDENT, CARLYL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cottonwood #1 built?
Cottonwood #1 was completed in 1894, making it 132 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 Cottonwood #1?
Cottonwood #1 serves the following purposes: Irrigation, Recreation, Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cottonwood #1?
Cottonwood #1 has a dam height of 31 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 Cottonwood #1 last inspected?
Cottonwood #1 was last inspected on October 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.