Nw Pearson
Key Takeaway
Nw Pearson is classified as low hazard in Wyoming. It was completed in 1970 and is 56 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 43 ft (taller than 90.4% in WY) |
| Dam Length | 458 ft |
| Dam Type | Earth |
| Max Storage | 114 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 900 cfs |
| Year Completed | 1970 (56 years old) |
| Year Modified | 2006 |
| NID ID | WY02361 |
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
MORIAH WYOMING RANCHES, LLC & ANADARKO E&P ONSHORE, LLC
Private
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Low Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Nw Pearson?
Nw Pearson 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 Nw Pearson?
Nw Pearson is owned by MORIAH WYOMING RANCHES, LLC & ANADARKO E&P ONSHORE, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nw Pearson built?
Nw Pearson was completed in 1970, making it 56 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 Nw Pearson?
Nw Pearson serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Nw Pearson?
Nw Pearson has a dam height of 43 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 Nw Pearson last inspected?
Nw Pearson was last inspected on April 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.