Dunnagan
Key Takeaway
Dunnagan is classified as low hazard in Colorado. It was completed in 1949 and is 77 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 14 ft (taller than 17% in CO) |
| Dam Length | 569 ft |
| Dam Type | Earth |
| Max Storage | 201 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 378 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | CO01093 |
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
JAMES CLOMAN
Private
Nearby Dams
Spring Creek
Archuleta, CO
Low Hazard 13 ftHatcher
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High Hazard 46 ftStevens
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High Hazard 42 ftLinn and Clark
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Significant Hazard 27 ftLake Forest
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Low Hazard 23 ftTown Center
Archuleta, CO
Significant Hazard 40 ftMountain View
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High Hazard 90 ftPinon Lake
Archuleta, CO
Significant Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Dunnagan?
Dunnagan 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 Dunnagan?
Dunnagan is owned by JAMES CLOMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dunnagan built?
Dunnagan was completed in 1949, making it 77 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 Dunnagan?
Dunnagan 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 Dunnagan?
Dunnagan has a dam height of 14 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 Dunnagan last inspected?
Dunnagan was last inspected on August 24, 1987. Inspection dates indicate when a formal review occurred, not the results of that inspection.