EPA TRI Facility · Primary Metals
Kennecott Utah Copper Smelter & Refinery
Magna, UT
- Total releases
- 135.3M lbs
- Chemicals reported
- 32
- Carcinogens
- 7
- Primary pathway
- Land Disposal
LAND Form-R mix
Kennecott Utah Copper Smelter & Refinery: how the 135.3M lbs splits
135.3M lbs across all reported pathways
- Land Disposal 134.6M lbs 99.4%
- Air Releases 644.2K lbs 0.5%
- Off-site Transfers 72.0K lbs 0.1%
- Water Discharges 28.3K lbs <0.1%
Kennecott Utah Copper Smelter & Refinery's 135.3M lbs Form-R total is LAND - land disposal is 99.4% of the bar. Next segment: air releases at 0.5%. Leading chemical by pounds: Zinc 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.
DENSE volume LAND pathway CARC-LEAN
Kennecott Utah Copper Smelter & Refinery is an EPA Toxics Release Inventory reporter in Magna, UT, in the primary metals sector. It reported 18.1M lbs of releases across 20 chemicals in 2023, and 135.3M lbs in total across its 2019-2023 reporting years. That ranks 10 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. Kennecott Utah Copper Smelter & Refinery is pounds #2 and chemical-count #6 at 135.3M 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: Pioneer Metal Finishing LLC; Northrop Grumman Systems Corp - Bacchus; Biomerieux; Honeywell International Inc. Similar-scale Primary Metals peers outside Utah: Freeport-McMoran Miami Inc; Uss Gary Works; Asarco LLC Ray Complex/ Hayden Smelter & Concentrator; Cleveland-Cliffs Steel Corp (rockport Works ). Largest disclosed chemicals by pounds: Zinc compounds; Copper And Copper Compounds; Copper compounds; Lead And Lead Compounds.
Kennecott Utah Copper Smelter & Refinery stamps DENSE volume with a dominant LAND pathway (99.4% land disposal) across 32 chemicals · 7 carcinogen-classified. Cumulative Form-R extract: 135.3M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Freeport-McMoran Miami Inc and Uss Gary Works.
Kennecott Utah Copper Smelter & Refinery vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
135M 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
Kennecott Utah Copper Smelter & Refinery in the Primary Metals sector extract
Among the 1,603 Primary Metals facilities in this database, Kennecott Utah Copper Smelter & Refinery reports the 1st-largest volume, placing it in the top 0.1% of its sector. Scale peers outside Utah include Freeport-McMoran Miami Inc and Uss Gary Works.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Kennecott Utah Copper Smelter & Refinery's total reported releases fell from 19.2 million lb in 2022 to 18.1 million lb in 2023, based on EPA TRI filings.
- Kennecott Utah Copper Smelter & Refinery's off-site transfers rose from 6.3 thousand lb in 2022 to 27.3 thousand lb in 2023, based on EPA TRI filings.
- Kennecott Utah Copper Smelter & Refinery's air releases rose from 136.3 thousand lb in 2022 to 173.0 thousand lb in 2023, based on EPA TRI filings.
- Kennecott Utah Copper Smelter & Refinery's water releases rose from 5.1 thousand lb in 2022 to 5.8 thousand lb in 2023, based on EPA TRI filings.
Kennecott Utah Copper Smelter & Refinery Form-R facts
Compare this facility
See how Kennecott Utah Copper Smelter & Refinery stacks up against nearby facilities and the typical reporter.
2343.6× more than the comparison
16.0× 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 Kennecott Utah Copper Smelter & Refinery releases toxic chemicals into the environment. Total: 135.3M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 50% (36.6M lbs to 18.1M lbs).
Kennecott Utah Copper Smelter & Refinery: annual Form-R pounds
DENSE site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Kennecott Utah Copper Smelter & Refinery year-over-year reported totals (decreased by 50% 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: Zinc compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 36.6M lbs | 20 |
| 2020 | 33.3M lbs | 20 |
| 2021 | 28.1M lbs | 19 |
| 2022 | 19.2M lbs | 20 |
| 2023 | 18.1M lbs | 20 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 7 of 32 chemicals are carcinogens. Sorted by total release volume.
Kennecott Utah Copper Smelter & Refinery · LAND-pathway site
Nearest TRI Facilities to Kennecott Utah Copper Smelter & Refinery
Closest other reporters in Utah - including Pioneer Metal Finishing LLC, Northrop Grumman Systems Corp - Bacchus, Biomerieux, 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. Freeport-McMoran Miami Inc, Uss Gary Works, Asarco LLC Ray Complex/ Hayden Smelter & Concentrator.
Compare beyond Utah
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Kennecott Utah Copper Smelter & Refinery on cumulative reported pounds (135.3M lbs) and distinct chemical count (32). Release-pound peers include Dark Horse Treating Facility, Freeport-McMoran Miami Inc, Nevada Gold Mines Llc-Cortez District. Chemical-count peers include Uss-Clairton Plant, Lubrizol Corp Painesvil Le Plant, Helena Industries 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.
- Dark Horse Treating Facility Jal, NM · Natural Gas Processing 131.3M lbs reported
- Freeport-McMoran Miami Inc Claypool, AZ · Primary Metals 129.3M lbs reported
- Nevada Gold Mines Llc-Cortez District Crescent Valley, NV · Metal Mining 146.6M lbs reported
- Ascend Performance Materials Operations LLC Cantonment, FL · Chemicals 116.3M lbs reported
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 Zinc compounds, Copper And Copper Compounds, Copper compounds, Lead And Lead Compounds; nearby reporters include Pioneer Metal Finishing LLC. Kennecott Utah Copper Smelter & Refinery stamps DENSE volume · LAND pathway · CARC-LEAN 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 Kennecott Utah Copper Smelter & Refinery TRI extract (DENSE · LAND · CARC-LEAN · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Kennecott Utah Copper Smelter & Refinery totals are self-reported EPCRA §313 estimates for Magna, UT, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331410 · Primary Metals. 14.7% of Salt Lake TRI pounds in this extract. Nearest ABS peer: Dark Horse Treating Facility (Δ 4.0M lbs). Pounds ≠ exposure.
Kennecott Utah Copper Smelter & Refinery stamps DENSE volume · LAND pathway · CARC-LEAN · lead Zinc 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