Markham
Key Takeaway
Markham is classified as significant hazard in Wyoming. It was completed in 1929 and is 97 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 4.8% in WY) |
| Dam Length | 2,500 ft |
| Dam Type | Earth |
| Max Storage | 730 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1929 (97 years old) |
| NID ID | WY01101 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF CODY
Local Government
Nearby Dams
Cody Municipal
Park, WY
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High Hazard 95 ftFrequently Asked Questions
What is the hazard classification of Markham?
Markham is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Markham?
Markham is owned by CITY OF CODY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Markham built?
Markham was completed in 1929, making it 97 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 Markham?
Markham serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Markham?
Markham has a dam height of 11 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 Markham last inspected?
Markham was last inspected on June 5, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.