EPA TRI Facility · Metal Mining
Asarco LLC Mission Complex
Sahuarita, AZ · Parent: Americas Mining Corp
- Total releases
- 17.1M lbs
- Chemicals reported
- 12
- Carcinogens
- 4
- Primary pathway
- Land Disposal
LAND Form-R mix
Asarco LLC Mission Complex: how the 17.1M lbs splits
17.1M lbs across all reported pathways
- Land Disposal 17.1M lbs 100.0%
- Air Releases 3.0K lbs <0.1%
- Water Discharges 212 lbs <0.1%
- Off-site Transfers 0 lbs <0.1%
Asarco LLC Mission Complex's 17.1M lbs Form-R total is LAND - land disposal is 100.0% of the bar. Next segment: air releases at <0.1%. Leading chemical by pounds: Lead And Lead 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 LAND pathway CARC-LEAN
Asarco LLC Mission Complex is an EPA Toxics Release Inventory reporter in Sahuarita, AZ, in the metal mining sector. It reported 2.2M lbs of releases across 9 chemicals in 2023, and 17.1M lbs in total across its 2019-2023 reporting years. That ranks 118 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Arizona's 288 reporting TRI sites, pounds #1 is not chemical-count #1. Asarco LLC Mission Complex is pounds #6 and chemical-count #14 at 17.1M lbs. Freeport-McMoran Miami Inc leads reported pounds (129.3M lbs) at 17 chemicals (chemical-count #10). Freeport-McMoran Morenci Inc leads chemical count at 33 chemicals (36.9M lbs, pounds #4). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Freeport-McMoran Sierrita Inc; U.S. Air Force Plant 44 - Operated By Raytheon; Learjet Inc; Swan Rd. Asphalt Plant. Similar-scale Metal Mining peers outside Arizona: Nystar Gordonsville Mine & Mill; Climax Molybdenum Co-Henderson Mine; U.S. Silver - Idaho Inc; Fletcher Mine/mill. Other Americas Mining Corp sites in this extract: Asarco LLC Ray Complex/ Hayden Smelter & Concentrator; Asarco LLC Ray Mine Operations; Asarco LLC Amarillo Copper Refinery; Silver Bell Mining LLC. Largest disclosed chemicals by pounds: Lead And Lead Compounds; Copper And Copper Compounds; Chromium; Manganese.
Asarco LLC Mission Complex stamps HEAVY volume with a dominant LAND pathway (100.0% land disposal) across 12 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 17.1M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nystar Gordonsville Mine & Mill and Climax Molybdenum Co-Henderson Mine.
Asarco LLC Mission Complex vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
17M 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
Asarco LLC Mission Complex inside Pima's TRI pounds
Among the 103 Metal Mining facilities in this database, Asarco LLC Mission Complex reports the 29th-largest volume (17.1M lbs). This one site accounts for 62.2% of every pound reported in Pima. Its reported volume is concentrated rather than spread: Lead And Lead Compounds alone is 75.4% of the total. Scale peers outside Arizona include Nystar Gordonsville Mine & Mill and Climax Molybdenum Co-Henderson Mine.
County-dominant here means ≥25% of Pima's reported pounds (27.4M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Asarco LLC Mission Complex's total reported releases fell from 6.4 million lb in 2022 to 2.2 million lb in 2023, based on EPA TRI filings.
- Asarco LLC Mission Complex's water releases fell from 210 lb in 2022 to 2 lb in 2023, based on EPA TRI filings.
- Asarco LLC Mission Complex's land releases fell from 6.4 million lb in 2022 to 2.2 million lb in 2023, based on EPA TRI filings.
- Asarco LLC Mission Complex's chemicals reported rose from 8 in 2022 to 9 in 2023, based on EPA TRI filings.
Asarco LLC Mission Complex Form-R facts
Compare this facility
See how Asarco LLC Mission Complex stacks up against nearby facilities and the typical reporter.
71% more than the comparison
33% 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 Asarco LLC Mission Complex releases toxic chemicals into the environment. Total: 17.1M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 41% (3.8M lbs to 2.2M lbs).
Asarco LLC Mission Complex: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020 2
- 2021 2
- 2022
- 2023 2
What this shows Asarco LLC Mission Complex year-over-year reported totals (decreased by 41% 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: Lead And Lead Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 3.8M lbs | 9 |
| 2020 | 2.1M lbs | 10 |
| 2021 | 2.4M lbs | 9 |
| 2022 | 6.4M lbs | 8 |
| 2023 | 2.2M lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 12 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead And Lead Compounds | 12.9M lbs | - |
| Copper And Copper Compounds | 1.3M lbs | - |
| Chromium | 1.2M lbs | - |
| Manganese | 684.1K lbs | - |
| Nickel | 641.8K lbs | Carcinogen |
| Copper compounds | 285.7K lbs | - |
| Arsenic | 74.9K lbs | Carcinogen |
| Cobalt | 32.9K lbs | Carcinogen |
| Mercury And Mercury Compounds | 4.3K lbs | - |
| Ammonia | 2.5K lbs | - |
| Naphthalene | 0 lbs | Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
Asarco LLC Mission Complex · LAND-pathway site
Nearest TRI Facilities to Asarco LLC Mission Complex
Closest other reporters in Arizona - including Freeport-McMoran Sierrita Inc, U.S. Air Force Plant 44 - Operated By Raytheon, Learjet Inc, ordered by distance.
Showing 8 of 287 other reporting facilities in Arizona.
Similar Metal Mining Facilities
Other Metal Mining facilities with similar total release volumes (±80%), outside Arizona - e.g. Nystar Gordonsville Mine & Mill, Climax Molybdenum Co-Henderson Mine, U.S. Silver - Idaho Inc.
Compare beyond Arizona
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Asarco LLC Mission Complex on cumulative reported pounds (17.1M lbs) and distinct chemical count (12). Release-pound peers include Peoria Disposal Co #1, Flopam Inc, Nystar Gordonsville Mine & Mill. Chemical-count peers include Fmc Agricultural Caribe Industries Ltd, Peerless Oil & Chemicals Inc., Prepa - Aguirre Power Generati on Complex. 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).
- Fmc Agricultural Caribe Industries Ltd Manati, PR · Chemicals 12 chemicals
- Peerless Oil & Chemicals Inc. Penuelas, PR · Petroleum Bulk Terminals 12 chemicals
- Prepa - Aguirre Power Generati on Complex Aguirre, PR · Electric Utilities 12 chemicals
- Citgo Petroleum Corp Braintree, MA · Petroleum Bulk Terminals 12 chemicals
Other Americas Mining Corp Facilities
Same-parent TRI sites ranked by reported releases - including Asarco LLC Ray Complex/ Hayden Smelter & Concentrator, Asarco LLC Ray Mine Operations, Asarco LLC Amarillo Copper 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 Lead And Lead Compounds, Copper And Copper Compounds, Chromium, Manganese; nearby reporters include Freeport-McMoran Sierrita Inc. Asarco LLC Mission Complex stamps HEAVY 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 Asarco LLC Mission Complex TRI extract (HEAVY · LAND · CARC-LEAN · lead Lead And Lead Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Asarco LLC Mission Complex totals are self-reported EPCRA §313 estimates for Sahuarita, AZ, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212230 · Metal Mining. 62.2% of Pima TRI pounds in this extract. Nearest ABS peer: Peoria Disposal Co #1 (Δ 28.1K lbs). Pounds ≠ exposure.
Asarco LLC Mission Complex stamps HEAVY volume · LAND pathway · CARC-LEAN · lead Lead And Lead 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