Mccall
Key Takeaway
Mccall is classified as high hazard in Colorado. It was completed in 1909 and is 117 years old. Its primary use is water supply. 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 | 14 ft (taller than 17% in CO) |
| Dam Length | 1,900 ft |
| Dam Type | Earth |
| Max Storage | 722 acre-ft |
| Normal Storage | 510 acre-ft |
| Surface Area | 51 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,614 cfs |
| Year Completed | 1909 (117 years old) |
| Year Modified | 1990 |
| NID ID | CO01775 |
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
CITY OF LONGMONT (HUSON, KEN)
Local Government
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Mccall?
Mccall 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 Mccall?
Mccall is owned by CITY OF LONGMONT (HUSON, KEN) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mccall built?
Mccall was completed in 1909, making it 117 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 Mccall?
Mccall serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mccall?
Mccall 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 Mccall last inspected?
Mccall was last inspected on July 22, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.