Yerington No 2 Dam

WALKER RIVER-OS· Lyon, Nevada· Earth· 10 ft tall
Significant Hazard Tailings Private

Key Takeaway

Yerington No 2 Dam is classified as significant hazard in Nevada. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 9.7% in NV)
Dam Length100 ft
Dam TypeEarth
Max Storage10 acre-ft
Normal Storage10 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge0 cfs
NID IDNV00200

Safety Information

Significant Hazard

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?

Emergency Action Plan: Yes
Last Inspection: November 15, 2021
State Regulated: Yes
Regulatory Agency: NEVADA DWR

Ownership

ARIMETCO INC.

Private

Nearby Dams

Yerington Bb Dam

Lyon, NV

Low Hazard 10 ft

Yerington Mill Dam

Lyon, NV

Significant Hazard 90 ft

Fort Churchill Power Plant Cooling Pond

Lyon, NV

Significant Hazard 10 ft

Sonora Buckskin Tails Dam

Douglas, NV

Low Hazard 36 ft

Mason Valley Refuge North Pond Dam

Lyon, NV

Significant Hazard 16 ft

Stanley Ranch Dam

Lyon, NV

Low Hazard 25 ft

Frequently Asked Questions

What is the hazard classification of Yerington No 2 Dam?

Yerington No 2 Dam 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 Yerington No 2 Dam?

Yerington No 2 Dam is owned by ARIMETCO INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Yerington No 2 Dam?

Yerington No 2 Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Yerington No 2 Dam?

Yerington No 2 Dam has a dam height of 10 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 Yerington No 2 Dam last inspected?

Yerington No 2 Dam was last inspected on November 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.