EPA TRI Facility · Metal Mining
Thompson Creek Mining Co
Clayton, ID · Parent: Thompson Creek Metals Co
- Total releases
- 1.1M lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Land Disposal
LAND Form-R mix
Thompson Creek Mining Co: how the 1.1M lbs splits
1.1M lbs across all reported pathways
- Land Disposal 1.0M lbs 97.2%
- Water Discharges 29.3K lbs 2.8%
- Air Releases 7 lbs <0.1%
Thompson Creek Mining Co's 1.1M lbs Form-R total is LAND - land disposal is 97.2% of the bar. Next segment: water discharges at 2.8%. Leading chemical by pounds: Copper compounds.
HEAVY volume LAND pathway CLEAN
Thompson Creek Mining Co is an EPA Toxics Release Inventory reporter in Clayton, ID, in the metal mining sector. It reported 175.2K lbs of releases across 1 chemical in 2023, and 1.1M lbs in total across its 2019-2023 reporting years. That ranks 1,253 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Idaho's 123 reporting TRI sites, pounds #1 is not chemical-count #1. Thompson Creek Mining Co is pounds #18 and chemical-count #41 at 1.1M lbs. Hecla Ltd Lucky Friday Mine Unit leads reported pounds (58.7M lbs) at 10 chemicals (chemical-count #9). US Ecology Idaho Inc. leads chemical count at 75 chemicals (10.2M lbs, pounds #6). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Rocky Mountain Hardware Inc. (hailey); Qb Corp; Helco Portable Concrete Plant (donnelly) 302231; Glanbia Foods Inc. Similar-scale Metal Mining peers outside Idaho: Chemours - Starke Facility; Mp Mine Operations LLC; Gold Bar Mine; Georgia Mineral Operations. Largest disclosed chemicals by pounds: Copper compounds; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Lead compounds.
Thompson Creek Mining Co stamps HEAVY volume with a dominant LAND pathway (97.2% land disposal) across 3 chemicals. Cumulative Form-R extract: 1.1M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Chemours - Starke Facility and Mp Mine Operations LLC.
Thompson Creek Mining Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.1M lbs Top 5% higher than 95% 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
Thompson Creek Mining Co inside Custer's TRI pounds
Among the 103 Metal Mining facilities in this database, Thompson Creek Mining Co reports the 61st-largest volume (1.1M lbs). This one site accounts for 100% of every pound reported in Custer. Its reported volume is concentrated rather than spread: Copper compounds alone is 82.5% of the total. Scale peers outside Idaho include Chemours - Starke Facility and Mp Mine Operations LLC.
County-dominant here means ≥25% of Custer's reported pounds (1.1M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Thompson Creek Mining Co's total reported releases rose from 62.2 thousand lb in 2022 to 175.2 thousand lb in 2023, based on EPA TRI filings.
- Thompson Creek Mining Co's water releases rose from 0 lb in 2022 to 29.3 thousand lb in 2023, based on EPA TRI filings.
- Thompson Creek Mining Co's land releases rose from 62.2 thousand lb in 2022 to 146.0 thousand lb in 2023, based on EPA TRI filings.
- Thompson Creek Mining Co's chemicals reported fell from 2 in 2022 to 1 in 2023, based on EPA TRI filings.
Thompson Creek Mining Co Form-R facts
Compare this facility
See how Thompson Creek Mining Co stacks up against nearby facilities and the typical reporter.
179.6× more than the comparison
About the same as 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 Thompson Creek Mining Co releases toxic chemicals into the environment. Total: 1.1M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 53% (375.5K lbs to 175.2K lbs).
Thompson Creek Mining Co: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Thompson Creek Mining Co year-over-year reported totals (decreased by 53% 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: Copper compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 375.5K lbs | 2 |
| 2020 | 282.4K lbs | 2 |
| 2021 | 161.2K lbs | 2 |
| 2022 | 62.2K lbs | 2 |
| 2023 | 175.2K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper compounds | 871.8K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 175.2K lbs | - |
| Lead compounds | 9.5K lbs | - |
Thompson Creek Mining Co · LAND-pathway site
Nearest TRI Facilities to Thompson Creek Mining Co
Closest other reporters in Idaho - including Rocky Mountain Hardware Inc. (hailey), Qb Corp, Helco Portable Concrete Plant (donnelly) 302231, ordered by distance.
Showing 8 of 122 other reporting facilities in Idaho.
Similar Metal Mining Facilities
Other Metal Mining facilities with similar total release volumes (±80%), outside Idaho - e.g. Chemours - Starke Facility, Mp Mine Operations LLC, Gold Bar Mine.
Compare beyond Idaho
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Thompson Creek Mining Co on cumulative reported pounds (1.1M lbs) and distinct chemical count (3). Release-pound peers include Darling Ingredients Inc., Metal Container Corp - Arnold Can Plant, Occidental Chemical Holding Corp - Geismar Plant. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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 Copper compounds, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead compounds; nearby reporters include Rocky Mountain Hardware Inc. (hailey). Thompson Creek Mining Co stamps HEAVY volume · LAND 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 Thompson Creek Mining Co TRI extract (HEAVY · LAND · CLEAN · lead Copper compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Thompson Creek Mining Co totals are self-reported EPCRA §313 estimates for Clayton, ID, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212299 · Metal Mining. 100% of Custer TRI pounds in this extract. Nearest ABS peer: Darling Ingredients Inc. (Δ 1.5K lbs). Pounds ≠ exposure.
Thompson Creek Mining Co stamps HEAVY volume · LAND pathway · CLEAN · lead Copper 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