Cottonw Ood-Walnut Site #8
Key Takeaway
Cottonw Ood-Walnut Site #8 is classified as high hazard in New Mexico. It was completed in 1988 and is 38 years old. Its primary use is flood risk reduction. 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 | 61 ft (taller than 79.4% in NM) |
| Dam Length | 8,832 ft |
| Dam Type | Earth |
| Max Storage | 13.7K acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 60 sq mi |
| Max Discharge | 70,244 cfs |
| Year Completed | 1988 (38 years old) |
| Year Modified | 1999 |
| NID ID | NM00501 |
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-WALNUT CREEK WATERSHED DISTRICT
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Cottonw Ood-Walnut Site #8?
Cottonw Ood-Walnut Site #8 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 Cottonw Ood-Walnut Site #8?
Cottonw Ood-Walnut Site #8 is owned by COTTONWOOD-WALNUT CREEK WATERSHED DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cottonw Ood-Walnut Site #8 built?
Cottonw Ood-Walnut Site #8 was completed in 1988, making it 38 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 Cottonw Ood-Walnut Site #8?
Cottonw Ood-Walnut Site #8 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cottonw Ood-Walnut Site #8?
Cottonw Ood-Walnut Site #8 has a dam height of 61 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 Cottonw Ood-Walnut Site #8 last inspected?
Cottonw Ood-Walnut Site #8 was last inspected on February 27, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.