Yerington Bb Dam
Yerington Bb Dam is an earth dam located in Lyon County, Nevada. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Yerington Bb Dam
The primary purpose of Yerington Bb 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 50 acre-feet, and collects water from a drainage area of 0 square miles.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 11/15/2021.
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Location
| State | Nevada |
| County | Lyon |
| Nearest City | Schurz |
| River/Stream | Walker River-os |
| Coordinates | 39.01720, -119.20110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 100 ft |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Tailings |
| Owner | ARIMETCO INC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 11/15/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NV00180 |
| Federal ID | NV00180 |
| More Info | State Dam Safety Program |