TRI Reporter
RCRA
MARIGOLD MINING COMPANY
Quick Summary
- •Released 808,169 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- Address
-
3 MI S OF VALMY NV
VALMY, NV 89438
View on map ↗ - County
- HUMBOLDT County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212221
- Inspections
- 1 · last Jun 15, 2021
- Total Penalties
- $0
- Registry ID
- 110007979982
How This Compares
#16
of 144 TRI reporters in NV
#60
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 (2015–2024)
+34% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 966,812 | — |
| 2016 | 929,413 | -4% |
| 2017 | 808,169 | -13% |
| 2018 | 777,552 | -4% |
| 2019 | 48,614 | -94% |
| 2020 | 1,131,803 | +2228% |
| 2021 | 1,484,435 | +31% |
| 2022 | 1,323,517 | -11% |
| 2023 | 1,355,514 | +2% |
| 2024 | 1,297,444 | -4% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Lead compounds | 1,032,084 | 84 | — | 1,032,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 197,000 | — | — | 197,000 | 4 | |
| Mercury compounds | 61,910 | 10 | — | 61,900 | 2,206 | |
| Propylene | 6,450 | 6,450 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Lead compounds | 1,072,054 | 54 | — | 1,072,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 213,000 | — | — | 213,000 | 3 | |
| Mercury compounds | 64,019 | 19 | — | 64,000 | 2,220 | |
| Propylene | 6,441 | 6,441 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Lead compounds | 1,035,057 | 57 | — | 1,035,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 220,000 | — | — | 220,000 | 3 | |
| Mercury compounds | 62,009 | 9 | — | 62,000 | 428 | |
| Propylene | 6,451 | 6,451 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Lead compounds | 1,170,055 | 55 | — | 1,170,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 238,000 | — | — | 238,000 | 2 | |
| Mercury compounds | 70,009 | 9 | — | 70,000 | 2,646 | |
| Propylene | 6,371 | 6,371 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | — | |
| Lead compounds | 889,049 | 49 | — | 889,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 183,000 | — | — | 183,000 | 2 | |
| Mercury compounds | 53,007 | 7 | — | 53,000 | 2,973 | |
| Propylene | 6,747 | 6,747 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Mercury compounds | 42,009 | 8 | — | 42,000 | 761 | |
| Cyanide compounds | 6,605 | 6,605 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 614,915 | 45 | — | 614,870 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 112,000 | — | — | 112,000 | 2 | |
| Mercury compounds | 36,901 | 8 | — | 36,893 | 5,449 | |
| Cyanide compounds | 7,005 | 7,005 | — | — | — | |
| Propylene | 6,731 | 6,731 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 622,667 | 43 | — | 622,624 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 131,000 | — | — | 131,000 | 2 | |
| Mercury compounds | 37,052 | 14 | — | 37,037 | 487 | |
| Cyanide compounds | 11,005 | 11,005 | — | — | — | |
| Propylene | 6,434 | 6,434 | — | — | — | |
| Copper compounds | 11 | 11 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 738,066 | 41 | — | 738,025 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 134,000 | — | — | 134,000 | 2 | |
| Mercury compounds | 44,018 | 17 | — | 44,002 | 72 | |
| Cyanide compounds | 9,505 | 9,505 | — | — | — | |
| Propylene | 3,824 | 3,824 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 774,636 | 42 | — | 774,594 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 137,028 | — | — | 137,028 | 2 | |
| Mercury compounds | 46,492 | 16 | — | 46,476 | 2,090 | |
| Cyanide compounds | 4,786 | 4,786 | — | — | — | |
| Propylene | 3,871 | 3,871 | — | — | — |
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 |
|---|
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 |
|---|---|---|---|---|---|
|
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
|
Mercury compounds | 6 | — | — | — |
|
BETHLEHEM APPARATUS CO INC
HELLERTOWN, PA
|
Mercury compounds | 2,200 | — | — | — |
|
ECHEVERRIA PUMPING, LLC
WINNEMUCCA, NV
|
Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 4 | — | — | — |
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 Used Oil: Generators | Jun 21, 2017 | Aug 3, 2017 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jun 21, 2017 | Aug 3, 2017 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Feb 25, 2016 | Jun 1, 2016 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | Apr 23, 2013 | Apr 30, 2013 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Apr 23, 2013 | Apr 30, 2013 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Sep 9, 2008 | Sep 9, 2008 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jul 9, 2001 | Aug 17, 2001 | Resolved |
| rcra | Land Disposal Restrictions: General | Jul 9, 2001 | Aug 17, 2001 | 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.
INSPECTION REPORT WRITTEN
RCRA (Hazardous Waste)
· Case RCRA-NVD986766954-001 · Oct 26, 2017
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