Yerington No 2 Dam

Yerington No 2 Dam is an earth dam located in Lyon County, Nevada. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.

About Yerington No 2 Dam

The primary purpose of Yerington No 2 Dam is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Arimetco Inc. (private). It impounds the Walker River-os near Schurz.

The dam stands 10 feet tall and stretches 100 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 10 acre-feet, and collects water from a drainage area of 0 square miles.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 11/15/2021.

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Significant HazardUnsatisfactory ConditionEmergency Action Plan: Yes

Location

StateNevada
CountyLyon
Nearest CitySchurz
River/StreamWalker River-os
Coordinates39.02560, -119.20810

Physical Characteristics

Dam TypeEarth
NID Height10 ft
Dam Height10 ft
Dam Length100 ft

Storage & Hydraulics

NID Storage10 acre-ft
Max Storage10 acre-ft
Normal Storage10 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Spillway TypeNone

Ownership & Safety

PurposeTailings
OwnerARIMETCO INC.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentUnsatisfactory
Last Inspection11/15/2021
Emergency Action PlanYes

Identifiers

NID IDNV00200
Federal IDNV00200
More InfoState Dam Safety Program

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