Sullivan
Key Takeaway
Sullivan is classified as low hazard in Colorado. It was completed in 1951 and is 75 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 30 ft (taller than 65.6% in CO) |
| Dam Length | 355 ft |
| Dam Type | Earth |
| Max Storage | 64 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 321 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | CO02135 |
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
SULLIVAN RANCHES (MELTON 'MILT' SULLIVAN)
Private
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Sullivan?
Sullivan 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 Sullivan?
Sullivan is owned by SULLIVAN RANCHES (MELTON 'MILT' SULLIVAN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sullivan built?
Sullivan was completed in 1951, making it 75 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 Sullivan?
Sullivan 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 Sullivan?
Sullivan has a dam height of 30 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 Sullivan last inspected?
Sullivan was last inspected on October 6, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.