Mcninch No. 2
Key Takeaway
Mcninch No. 2 is classified as low hazard in Wyoming. It was completed in 1957 and is 69 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 27 ft (taller than 50.7% in WY) |
| Dam Length | 1,113 ft |
| Dam Type | Earth |
| Max Storage | 760 acre-ft |
| Normal Storage | 357 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | WY01274 |
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
RANDAL MCNINCH & SHAWNA COWDEN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Mcninch No. 2?
Mcninch No. 2 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 Mcninch No. 2?
Mcninch No. 2 is owned by RANDAL MCNINCH & SHAWNA COWDEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mcninch No. 2 built?
Mcninch No. 2 was completed in 1957, making it 69 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 Mcninch No. 2?
Mcninch No. 2 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 Mcninch No. 2?
Mcninch No. 2 has a dam height of 27 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 Mcninch No. 2 last inspected?
Mcninch No. 2 was last inspected on August 12, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.