MCEWEN GOLD BAR MINE
Quick Summary
- •Released 10,452 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
APPROXIMATELY 30 MILES NORTHWEST OF EUREKA, NV.
EUREKA, NV 89316
View on map ↗ - County
- EUREKA County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212220
- Inspections
- 4 · last Oct 10, 2025
- Total Penalties
- $0
- Registry ID
- 110070262577
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2019 | 463 | — |
| 2020 | 39,384 | +8412% |
| 2021 | 24,535 | -38% |
| 2022 | 616,561 | +2413% |
| 2023 | 14,438 | -98% |
| 2024 | 10,452 | -28% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | — | — | — | — | — | |
| Cyanide compounds | — | — | — | — | — | |
| Mercury compounds | 8,259 | 1 | — | 8,258 | — | |
| Lead | 1,073 | — | — | 1,073 | 9 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 680 | — | — | 680 | — | |
| Toluene | 330 | 330 | — | — | — | |
| Xylene (mixed isomers) | 110 | 110 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Mercury compounds | 12,680 | 2 | — | 12,678 | — | |
| Lead | 772 | — | — | 772 | 12 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 600 | — | — | 600 | — | |
| Toluene | 290 | 290 | — | — | — | |
| Xylene (mixed isomers) | 97 | 97 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | — | — | — | — | — | |
| Cyanide compounds | — | — | — | — | — | |
| Mercury compounds | 615,058 | 6 | — | 615,053 | 6 | |
| Lead | 632 | — | — | 632 | 6 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 480 | — | — | 480 | — | |
| Toluene | 290 | 290 | — | — | — | |
| Xylene (mixed isomers) | 100 | 100 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Nitric acid | — | — | — | — | — | |
| Mercury compounds | 23,555 | 5 | — | 23,550 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 550 | — | — | 550 | — | |
| Toluene | 330 | 330 | — | — | — | |
| Xylene (mixed isomers) | 100 | 100 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Nitric acid | — | — | — | — | — | |
| Mercury compounds | 37,938 | 2 | — | 37,935 | — | |
| Lead | 539 | — | — | 539 | 8 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 510 | — | — | 510 | — | |
| Toluene | 300 | 300 | — | — | — | |
| Xylene (mixed isomers) | 97 | 97 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 462 | — | — | 462 | — | ♦ Carcinogen |
| Mercury compounds | 1 | 1 | — | — | 0 |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Nitric acid | — | — | — | 26,000 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Lead | 9 | — | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | FRV | May 26, 2025 | — | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.