EPA TRI Facility · Metal Mining
Smc Nye Mine Site
Nye, MT · Parent: Stillwater Mining Co
- Total releases
- 3.4M lbs
- Chemicals reported
- 14
- Carcinogens
- 3
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Smc Nye Mine Site: how the 3.4M lbs splits
3.4M lbs across all reported pathways
- Off-site Transfers 2.2M lbs 63.5%
- Land Disposal 1.2M lbs 36.3%
- Air Releases 6.1K lbs 0.2%
Smc Nye Mine Site's 3.4M lbs Form-R total is MIXED - off-site transfers is 63.5% of the bar. Next segment: land disposal at 36.3%. Leading chemical by pounds: Nickel And Nickel Compounds.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
HEAVY volume MIXED pathway CARC-MID
Smc Nye Mine Site is an EPA Toxics Release Inventory reporter in Nye, MT, in the metal mining sector. It reported 724.9K lbs of releases across 9 chemicals in 2023, and 3.4M lbs in total across its 2019-2023 reporting years. That ranks 577 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Montana's 67 reporting TRI sites, pounds #1 is not chemical-count #1. Smc Nye Mine Site is pounds #3 and chemical-count #9 at 3.4M lbs. Montana Resources LLC leads reported pounds (215.2M lbs) at 12 chemicals (chemical-count #11). Phillips 66 Co Billings Refinery leads chemical count at 39 chemicals (465.0K lbs, pounds #16). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Montana Silversmiths; Smc Precious Metals Smelter & Base Metals Refinery; Stillwater Mining Co East Boulder Mine; Chs Inc. Laurel Refinery. Similar-scale Metal Mining peers outside Montana: Jerritt Canyon Mine; Nevada Gold Mines Llc- Long Canyon Mine; Nevada Gold Mines LLC - Arturo Mine; Kg Mining (bald Mountain) Inc South Operations Area (soa). Other Stillwater Mining Co sites in this extract: Smc Precious Metals Smelter & Base Metals Refinery. Largest disclosed chemicals by pounds: Nickel And Nickel Compounds; Methanol; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Chromium compounds (except for chromite ore mined in the Transvaal Region).
Smc Nye Mine Site is a HEAVY · MIXED-pathway Form-R site in Nye, MT: 3.4M lbs across 14 chemicals (3 carcinogen-classified, CARC-MID). No single media clears 70% of the bar (lead segment off-site transfers at 63.5%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Jerritt Canyon Mine and Nevada Gold Mines Llc- Long Canyon Mine.
Smc Nye Mine Site vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.4M lbs Top 2% higher than 98% 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
Smc Nye Mine Site inside Stillwater's TRI pounds
Among the 103 Metal Mining facilities in this database, Smc Nye Mine Site reports the 50th-largest volume (3.4M lbs). This one site accounts for 99.1% of every pound reported in Stillwater. Scale peers outside Montana include Jerritt Canyon Mine and Nevada Gold Mines Llc- Long Canyon Mine.
County-dominant here means ≥25% of Stillwater's reported pounds (3.4M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Smc Nye Mine Site's total reported releases rose from 572.6 thousand lb in 2022 to 724.9 thousand lb in 2023, based on EPA TRI filings.
- Smc Nye Mine Site's land releases rose from 122.7 thousand lb in 2022 to 159.0 thousand lb in 2023, based on EPA TRI filings.
- Smc Nye Mine Site's off-site transfers rose from 448.4 thousand lb in 2022 to 564.3 thousand lb in 2023, based on EPA TRI filings.
Smc Nye Mine Site Form-R facts
Compare this facility
See how Smc Nye Mine Site stacks up against nearby facilities and the typical reporter.
123.4× more than the comparison
3.5× more 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 Smc Nye Mine Site releases toxic chemicals into the environment. Total: 3.4M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 7% (777.1K lbs to 724.9K lbs).
Smc Nye Mine Site: annual Form-R pounds
HEAVY site · MIXED pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Smc Nye Mine Site year-over-year reported totals (decreased by 7% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Nickel And Nickel Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 777.1K lbs | 9 |
| 2020 | 508.5K lbs | 9 |
| 2021 | 824.3K lbs | 9 |
| 2022 | 572.6K lbs | 9 |
| 2023 | 724.9K lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 14 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nickel And Nickel Compounds | 1.0M lbs | Carcinogen |
| Methanol | 958.0K lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 414.4K lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 314.7K lbs | - |
| Nickel compounds | 259.9K lbs | Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 183.9K lbs | - |
| Copper And Copper Compounds | 129.6K lbs | - |
| Copper compounds | 87.8K lbs | - |
| Lead And Lead Compounds | 26.8K lbs | - |
| Lead compounds | 16.5K lbs | - |
| Propylene | 2.2K lbs | - |
| Mercury compounds | 417 lbs | - |
| Mercury And Mercury Compounds | 63 lbs | - |
| Styrene | 0 lbs | Carcinogen |
Smc Nye Mine Site in Stillwater
Nearest TRI Facilities to Smc Nye Mine Site
Closest other reporters in Montana - including Montana Silversmiths, Smc Precious Metals Smelter & Base Metals Refinery, Stillwater Mining Co East Boulder Mine, ordered by distance.
Showing 8 of 66 other reporting facilities in Montana.
Similar Metal Mining Facilities
Other Metal Mining facilities with similar total release volumes (±80%), outside Montana - e.g. Jerritt Canyon Mine, Nevada Gold Mines Llc- Long Canyon Mine, Nevada Gold Mines LLC - Arturo Mine.
Compare beyond Montana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Smc Nye Mine Site on cumulative reported pounds (3.4M lbs) and distinct chemical count (14). Release-pound peers include Basf Corp - Beaumont, Lanxess - Central, Koch Fertilizer Ft. Dodge LLC. Chemical-count peers include Shell New Haven Terminal, Chambers Cogeneration L.P., Avantor Performance Materials. 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).
Other Stillwater Mining Co Facilities
Same-parent TRI sites ranked by reported releases - including Smc Precious Metals Smelter & Base Metals Refinery.
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 Nickel And Nickel Compounds, Methanol, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Chromium compounds (except for chromite ore mined in the Transvaal Region); nearby reporters include Montana Silversmiths. Smc Nye Mine Site stamps HEAVY volume · MIXED pathway · CARC-MID 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 Smc Nye Mine Site TRI extract (HEAVY · MIXED · CARC-MID · lead Nickel And Nickel Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Smc Nye Mine Site totals are self-reported EPCRA §313 estimates for Nye, MT, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212299 · Metal Mining. 99.1% of Stillwater TRI pounds in this extract. Nearest ABS peer: Basf Corp - Beaumont (Δ 4.9K lbs). Pounds ≠ exposure.
Smc Nye Mine Site stamps HEAVY · MIXED pathway (off-site transfers leads at 63.5%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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