TRI Reporter
Clean Air Act
Clean Water Act
RCRA
MIDAS MINE (FORMERLY KNOWN AS KEN SNYDER MINE)
Quick Summary
- •Released 1,441,734 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
I-80 TO INT 194, GOLCONDA & 45 MI NE ON SR 789
MIDAS, NV 89414
View on map ↗ - County
- ELKO County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212220
- Inspections
- 3 · last Aug 31, 2021
- Total Penalties
- $0
- Registry ID
- 110007980765
How This Compares
#15
of 144 TRI reporters in NV
#51
of 555 TRI reporters in Mining, Quarrying, and Oil and Gas Extraction
Ranked by most recent year's total TRI releases.
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.
Emissions Trend (2015–2021)
-100% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 918,030 | — |
| 2016 | 339,814 | -63% |
| 2017 | 1,441,734 | +324% |
| 2018 | 1,038,152 | -28% |
| 2019 | 3,167 | -100% |
| 2020 | 1,179 | -63% |
| 2021 | 122 | -90% |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | 71 | — | — | 71 | — | |
| Copper compounds | 44 | — | — | 44 | — | |
| Mercury compounds | 5 | — | — | 5 | — | |
| Manganese compounds | 1 | — | — | 1 | — | |
| Lead compounds | 1 | — | — | 1 | 127 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 1,100 | — | — | 1,100 | — | |
| Cyanide compounds | 52 | — | — | 52 | — | |
| Manganese compounds | 19 | — | — | 19 | — | |
| Lead compounds | 6 | 0 | — | 6 | 1 | |
| Mercury compounds | 2 | — | — | 2 | 6 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | 3,167 | 3,100 | — | 67 | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Zinc (fume or dust) | — | — | — | — | — | |
| Manganese compounds | 430,000 | — | — | 430,000 | — | |
| Arsenic compounds | 260,000 | — | — | 260,000 | — | ♦ Carcinogen |
| Lead compounds | 179,374 | 1 | — | 179,373 | 0 | |
| Ammonia | 73,059 | 51 | — | 73,008 | — | |
| Zinc compounds | 69,002 | 2 | — | 69,000 | — | |
| Copper compounds | 17,000 | — | — | 17,000 | — | |
| Silver compounds | 4,800 | — | — | 4,800 | — | |
| Cyanide compounds | 3,734 | 3,700 | — | 34 | — | |
| Mercury compounds | 1,084 | 1 | — | 1,083 | — | |
| Propylene | 60 | 60 | — | — | — | |
| Methyl tert-butyl ether | 39 | 39 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 570,002 | 2 | — | 570,000 | — | |
| Arsenic compounds | 350,000 | — | — | 350,000 | — | ♦ Carcinogen |
| Lead compounds | 238,733 | 1 | — | 238,733 | 17 | |
| Zinc compounds | 92,002 | 2 | — | 92,000 | — | |
| Vanadium compounds | 78,000 | — | — | 78,000 | — | |
| Ammonia | 71,100 | 87 | — | 71,013 | — | |
| Copper compounds | 22,000 | — | — | 22,000 | — | |
| Selenium compounds | 9,201 | 1 | — | 9,200 | 91 | |
| Silver compounds | 6,300 | — | — | 6,300 | — | |
| Cyanide compounds | 2,890 | 2,500 | — | 390 | — | |
| Mercury compounds | 1,422 | 13 | — | 1,408 | — | |
| Propylene | 84 | 84 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 176,328 | 3 | — | 176,325 | — | |
| Zinc compounds | 68,002 | 2 | — | 68,000 | — | |
| Ammonia | 60,088 | 74 | — | 60,014 | — | |
| Copper compounds | 17,000 | — | — | 17,000 | — | |
| Selenium compounds | 8,702 | 2 | — | 8,700 | — | |
| Silver compounds | 4,600 | — | — | 4,600 | — | |
| Cyanide compounds | 3,700 | 1,100 | — | 2,600 | — | |
| Mercury compounds | 1,194 | 1 | — | 1,193 | — | |
| Propylene | 200 | 200 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 610,000 | — | — | 610,000 | — | |
| Lead compounds | 164,359 | 3 | — | 164,356 | 0 | |
| Zinc compounds | 62,007 | 7 | — | 62,000 | — | |
| Ammonia | 53,016 | 16 | — | 53,000 | — | |
| Copper compounds | 15,009 | 9 | — | 15,000 | — | |
| Selenium compounds | 6,427 | 27 | — | 6,400 | — | |
| Silver compounds | 4,300 | — | — | 4,300 | 0 | |
| Cyanide compounds | 1,800 | 1,400 | — | 400 | — | |
| Mercury compounds | 1,113 | 3 | — | 1,110 | — |
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 |
|---|---|---|---|---|
| Mercury compounds | — | 1 | — | — |
| Cyanide compounds | — | — | — | 920,000 |
| Lead compounds | — | 0 | — | — |
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 |
|---|---|---|---|---|---|
|
21ST CENTURY ENVIRONMENTAL MANAGEMENT OR NEVADA
FERNLEY, NV
|
Arsenic compounds | — | — | — | — |
|
IDAHO WASTE SYSTEM INC.
BOISE, ID
|
Arsenic compounds | — | — | — | — |
|
21ST CENTURY ENVIRONMENTAL MANAGEMENT OR NEVADA
FERNLEY, NV
|
Lead compounds | 17 | — | — | — |
|
IDAHO WASTE SYSTEM INC.
BOISE, ID
|
Lead compounds | 0 | — | — | — |
|
21ST CENTURY ENVIRONMENTAL MANAGEMENT OR NEVADA
FERNLEY, NV
|
Mercury compounds | — | — | — | — |
|
21ST CENTURY ENVIRONMENTAL MANAGEMENT OR NEVADA
FERNLEY, NV
|
Selenium compounds | 91 | — | — | — |
|
IDAHO WASTE SYSTEM INC.
BOISE, ID
|
Selenium compounds | — | — | — | — |
|
21ST CENTURY ENVIRONMENTAL MANAGEMENT OR NEVADA
FERNLEY, NV
|
Silver compounds | — | — | — | — |
|
IDAHO WASTE SYSTEM INC.
BOISE, ID
|
Silver compounds | — | — | — | — |
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 |
|---|---|---|---|---|
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | May 22, 2019 | Jun 4, 2019 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 22, 2019 | Jun 17, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 18, 2018 | Jun 20, 2018 | Resolved |
| rcra | Standards for Used Oil: Generators | Jun 18, 2018 | Jul 10, 2018 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 18, 2018 | Jun 26, 2018 | Resolved |
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.
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NVR000040683-001 · May 22, 2019
Other facilities in ELKO County, NV
TUSCARORA GEOTHERMAL POWER PLANT
NOT IN A CITY LOCATED IN ELKO COUNTY, NV
HUNT & SONS, INC - ELKO BULK PLANT
ELKO, NV
KOMATSU PROJECT
ELKO, NV
BOART LONGYEAR
ELKO, NV
JENNINGS WAY
ELKO, NV