EPA TRI Facility · Primary Metals
US Magnesium LLC
Grantsville, UT · Parent: The Renco Group Inc
- Total releases
- 27.6M lbs
- Chemicals reported
- 10
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
US Magnesium LLC: how the 27.6M lbs splits
27.6M lbs across all reported pathways
- Air Releases 20.2M lbs 73.2%
- Land Disposal 7.4M lbs 26.8%
- Off-site Transfers 105 lbs <0.1%
US Magnesium LLC's 27.6M lbs Form-R total is AIR - air releases is 73.2% of the bar. Next segment: land disposal at 26.8%. Leading chemical by pounds: Chlorine.
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 AIR pathway TRACE-CARC
US Magnesium LLC is an EPA Toxics Release Inventory reporter in Grantsville, UT, in the primary metals sector. It reported 2.7M lbs of releases across 1 chemical in 2023, and 27.6M lbs in total across its 2019-2023 reporting years. That ranks 67 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Utah's 220 reporting TRI sites, pounds #1 is not chemical-count #1. US Magnesium LLC is pounds #4 and chemical-count #22 at 27.6M lbs. Kennecott Utah Copper Mine Concentrators & Power Plant leads reported pounds (781.4M lbs) at 34 chemicals (chemical-count #4). Clean Harbors Aragonite LLC leads chemical count at 193 chemicals (13.3M lbs, pounds #6). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Clean Harbors Grassy Mountain LLC; Energysolutions LLC; Clean Harbors Aragonite LLC; U.S. Dod, Usaf, Hill Afb Uttr Activities, Range. Similar-scale Primary Metals peers outside Utah: Wieland Metals Inc; Buick Resource Recycling Facility LLC; Cleveland-Cliffs Cleveland Works LLC; Outokumpu Stainless USA LLC. Other The Renco Group Inc sites in this extract: Buick Mine/mill; Brushy Creek Mine/mill; Buick Resource Recycling Facility LLC; Sweetwater Mine/mill. Largest disclosed chemicals by pounds: Chlorine; Lithium carbonate; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Hexachlorobenzene.
US Magnesium LLC stamps HEAVY volume with a dominant AIR pathway (73.2% air releases) across 10 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 27.6M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Wieland Metals Inc and Buick Resource Recycling Facility LLC.
US Magnesium LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
28M lbs Top 1% higher than 100% 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
US Magnesium LLC inside Tooele's TRI pounds
Among the 1,603 Primary Metals facilities in this database, US Magnesium LLC reports the 12th-largest volume, placing it in the top 0.7% of its sector. This one site accounts for 31.0% of every pound reported in Tooele. Scale peers outside Utah include Wieland Metals Inc and Buick Resource Recycling Facility LLC.
County-dominant here means ≥25% of Tooele's reported pounds (89.1M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- US Magnesium LLC's total reported releases fell from 4.1 million lb in 2022 to 2.7 million lb in 2023, based on EPA TRI filings.
- US Magnesium LLC's air releases fell from 2.0 million lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- US Magnesium LLC's off-site transfers fell from 26 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- US Magnesium LLC's chemicals reported fell from 8 in 2022 to 1 in 2023, based on EPA TRI filings.
US Magnesium LLC Form-R facts
Compare this facility
See how US Magnesium LLC stacks up against nearby facilities and the typical reporter.
15% less than the comparison
77% 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 US Magnesium LLC releases toxic chemicals into the environment. Total: 27.6M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 68% (8.4M lbs to 2.7M lbs).
US Magnesium LLC: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023 3
What this shows US Magnesium LLC year-over-year reported totals (decreased by 68% 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: Chlorine.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 8.4M lbs | 9 |
| 2020 | 5.2M lbs | 9 |
| 2021 | 7.2M lbs | 9 |
| 2022 | 4.1M lbs | 8 |
| 2023 | 2.7M lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 5 of 10 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chlorine | 14.9M lbs | - |
| Lithium carbonate | 7.4M lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 5.3M lbs | - |
| Hexachlorobenzene | 7.7K lbs | Carcinogen |
| Octachlorostyrene | 1.1K lbs | - |
| Polychlorinated biphenyls | 723 lbs | Carcinogen |
| Mercury | 273 lbs | - |
| Dioxin and dioxin-like compounds | 105 lbs | Carcinogen |
| Lead | 62 lbs | Carcinogen |
| Carbon tetrachloride | 23 lbs | Carcinogen |
US Magnesium LLC · AIR-pathway site
Nearest TRI Facilities to US Magnesium LLC
Closest other reporters in Utah - including Clean Harbors Grassy Mountain LLC, Energysolutions LLC, Clean Harbors Aragonite LLC, ordered by distance.
Showing 8 of 219 other reporting facilities in Utah.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Utah - e.g. Wieland Metals Inc, Buick Resource Recycling Facility LLC, Cleveland-Cliffs Cleveland Works LLC.
Compare beyond Utah
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest US Magnesium LLC on cumulative reported pounds (27.6M lbs) and distinct chemical count (10). Release-pound peers include Delaware City Refinery, Minnkota Power Cooperative Inc. Milton R. Young Station, Sabic Innovative Plastics Mt. Vernon LLC. Chemical-count peers include Harris Paints Corp., Saint Thomas Bulk Terminal, Total Guaynabo Bulk Terminal. 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.
- Delaware City Refinery Delaware City, DE · Petroleum 27.7M lbs reported
- Minnkota Power Cooperative Inc. Milton R. Young Station Center, ND · Electric Utilities 27.5M lbs reported
- Sabic Innovative Plastics Mt. Vernon LLC Mount Vernon, IN · Chemicals 27.7M lbs reported
- Vickery Environmental Inc. Vickery, OH · Hazardous Waste 27.5M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other The Renco Group Inc Facilities
Same-parent TRI sites ranked by reported releases - including Buick Mine/mill, Brushy Creek Mine/mill, Buick Resource Recycling Facility LLC.
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 Chlorine, Lithium carbonate, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Hexachlorobenzene; nearby reporters include Clean Harbors Grassy Mountain LLC. US Magnesium LLC stamps HEAVY volume · AIR pathway · TRACE-CARC 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 US Magnesium LLC TRI extract (HEAVY · AIR · TRACE-CARC · lead Chlorine) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
US Magnesium LLC totals are self-reported EPCRA §313 estimates for Grantsville, UT, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331410 · Primary Metals. 31.0% of Tooele TRI pounds in this extract. Nearest ABS peer: Delaware City Refinery (Δ 51.9K lbs). Pounds ≠ exposure.
US Magnesium LLC stamps HEAVY volume · AIR pathway · TRACE-CARC · lead Chlorine. 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