EPA TRI Facility · Metal Mining
Aurora Mine
Hawthorne, NV · Parent: Klondex Holdings USA Inc.
- Total releases
- 4.1K lbs
- Chemicals reported
- 1
- Latest report
- 2019
- Primary pathway
- Air Releases
AIR Form-R mix
Aurora Mine: how the 4.1K lbs splits
4.1K lbs across all reported pathways
- Air Releases 3.1K lbs 75.6%
- Land Disposal 1.0K lbs 24.4%
Aurora Mine's 4.1K lbs Form-R total is AIR - air releases is 75.6% of the bar. Next segment: land disposal at 24.4%. Leading chemical by pounds: Cyanide compounds.
LIGHT volume AIR pathway CLEAN
Aurora Mine is an EPA Toxics Release Inventory reporter in Hawthorne, NV, in the metal mining sector. It reported 4.1K lbs of releases across 1 chemical in 2019. That ranks 11,541 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Nevada's 158 reporting TRI sites, pounds #1 is not chemical-count #1. Aurora Mine is pounds #69 and chemical-count #126 at 4.1K lbs. Nevada Gold Mines LLC - Goldstrike Mines Inc leads reported pounds (930.8M lbs) at 33 chemicals (chemical-count #2). US Ecology Nevada Inc. leads chemical count at 93 chemicals (41.2M lbs, pounds #8). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Borealis Mining Co LLC; US Army Hawthorne Army Depot New Bomb; US Army Hawthorne Army Depot Main Base; Isabella Pearl Mine (006-240-02). Similar-scale Metal Mining peers outside Nevada: Ouray Silver Mines Inc.; Kettle River Operations Mill; Tintic Consolidated Metals LLC; Mission Mine. Largest disclosed chemicals by pounds: Cyanide compounds.
Aurora Mine stamps LIGHT volume with a dominant AIR pathway (75.6% air releases) across 1 chemical. Cumulative Form-R extract: 4.1K lbs (2019–2019). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ouray Silver Mines Inc. and Kettle River Operations Mill.
Aurora Mine vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
4.1K lbs Top 44% higher than 56% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Aurora Mine: Cyanide compounds-led volume
Among the 103 Metal Mining facilities in this database, Aurora Mine reports the 89th-largest volume (4.1K lbs). Its reported volume is concentrated rather than spread: Cyanide compounds alone is 100% of the total. Scale peers outside Nevada include Ouray Silver Mines Inc. and Kettle River Operations Mill.
Concentrated means ≥60% of Aurora Mine's pounds in one chemical - here Cyanide compounds at 100%. Not a toxicity score.
Aurora Mine Form-R facts
Compare this facility
See how Aurora Mine stacks up against nearby facilities and the typical reporter.
34.2× more than the comparison
75% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Aurora Mine releases toxic chemicals into the environment. Total: 4.1K lbs.
Chemical Releases
Aggregated across all reporting years (2019–2019). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Cyanide compounds | 4.1K lbs | - |
Aurora Mine · AIR-pathway site
Nearest TRI Facilities to Aurora Mine
Closest other reporters in Nevada - including Borealis Mining Co LLC, US Army Hawthorne Army Depot New Bomb, US Army Hawthorne Army Depot Main Base, ordered by distance.
Showing 8 of 157 other reporting facilities in Nevada.
Similar Metal Mining Facilities
Other Metal Mining facilities with similar total release volumes (±80%), outside Nevada - e.g. Ouray Silver Mines Inc., Kettle River Operations Mill, Tintic Consolidated Metals LLC.
Compare beyond Nevada
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Aurora Mine on cumulative reported pounds (4.1K lbs) and distinct chemical count (1). Release-pound peers include Frontida Biopharm LLC, Abc Compounding Co of Texas Inc, Col-Fin Specialty Steel II LLC. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Cyanide compounds; nearby reporters include Borealis Mining Co LLC. Aurora Mine stamps LIGHT volume · AIR pathway · CLEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Aurora Mine TRI extract (LIGHT · AIR · CLEAN · lead Cyanide compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Aurora Mine totals are self-reported EPCRA §313 estimates for Hawthorne, NV, latest year 2019. NAICS 212221 · Metal Mining. 1.4% of Mineral TRI pounds in this extract. Nearest ABS peer: Abc Compounding Co of Texas Inc (Δ 0 lbs). Pounds ≠ exposure.
Aurora Mine stamps LIGHT volume · AIR pathway · CLEAN · lead Cyanide compounds. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov