EPA TRI Facility · Metal Mining
Pinto Valley Mine
Miami, AZ
- Total releases
- 44.2M lbs
- Chemicals reported
- 9
- Carcinogens
- 1
- Primary pathway
- Land Disposal
LAND Form-R mix
Pinto Valley Mine: how the 44.2M lbs splits
44.2M lbs across all reported pathways
- Land Disposal 44.1M lbs 100.0%
- Air Releases 17.5K lbs <0.1%
- Off-site Transfers 591 lbs <0.1%
Pinto Valley Mine's 44.2M 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: Copper And Copper 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
Pinto Valley Mine is an EPA Toxics Release Inventory reporter in Miami, AZ, in the metal mining sector. It reported 9.5M lbs of releases across 7 chemicals in 2023, and 44.2M lbs in total across its 2019-2023 reporting years. That ranks 38 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. Pinto Valley Mine is pounds #3 and chemical-count #34 at 44.2M 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Carlota Copper Co; Freeport-McMoran Miami Inc; Cal-Chem Metals Inc; Resolution Copper Mining. Similar-scale Metal Mining peers outside Arizona: Buick Mine/mill; Eagle Mine Llc-Humboldt Mill; Pogo Mine; Brushy Creek Mine/mill. Largest disclosed chemicals by pounds: Copper And Copper Compounds; Lead And Lead Compounds; Copper compounds; Lead compounds.
Pinto Valley Mine stamps HEAVY volume with a dominant LAND pathway (100.0% land disposal) across 9 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 44.2M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Buick Mine/mill and Eagle Mine Llc-Humboldt Mill.
Pinto Valley Mine vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
44M 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
Pinto Valley Mine in the Metal Mining sector extract
Among the 103 Metal Mining facilities in this database, Pinto Valley Mine reports the 16th-largest volume, placing it in the top 15.5% of its sector. Scale peers outside Arizona include Buick Mine/mill and Eagle Mine Llc-Humboldt Mill.
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
- Pinto Valley Mine's total reported releases rose from 6.8 million lb in 2022 to 9.5 million lb in 2023, based on EPA TRI filings.
- Pinto Valley Mine's air releases rose from 1.3 thousand lb in 2022 to 7.0 thousand lb in 2023, based on EPA TRI filings.
- Pinto Valley Mine's land releases rose from 6.8 million lb in 2022 to 9.5 million lb in 2023, based on EPA TRI filings.
Pinto Valley Mine Form-R facts
Compare this facility
See how Pinto Valley Mine stacks up against nearby facilities and the typical reporter.
854.3× more than the comparison
29% 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 Pinto Valley Mine releases toxic chemicals into the environment. Total: 44.2M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 21% (12.0M lbs to 9.5M lbs).
Pinto Valley Mine: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Pinto Valley Mine year-over-year reported totals (decreased by 21% 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 And Copper Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 12.0M lbs | 7 |
| 2020 | 5.1M lbs | 7 |
| 2021 | 10.8M lbs | 7 |
| 2022 | 6.8M lbs | 7 |
| 2023 | 9.5M lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 9 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper And Copper Compounds | 22.2M lbs | - |
| Lead And Lead Compounds | 10.2M lbs | - |
| Copper compounds | 9.1M lbs | - |
| Lead compounds | 1.5M lbs | - |
| Nickel | 594.7K lbs | Carcinogen |
| Manganese | 310.9K lbs | - |
| Chromium | 187.0K lbs | - |
| Ammonia | 4.3K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
Pinto Valley Mine · LAND-pathway site
Nearest TRI Facilities to Pinto Valley Mine
Closest other reporters in Arizona - including Carlota Copper Co, Freeport-McMoran Miami Inc, Cal-Chem Metals 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. Buick Mine/mill, Eagle Mine Llc-Humboldt Mill, Pogo Mine.
Compare beyond Arizona
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Pinto Valley Mine on cumulative reported pounds (44.2M lbs) and distinct chemical count (9). Release-pound peers include Befesa Zinc Metal LLC, Ineos Nitriles USA LLC, Midway Gas Plant. Chemical-count peers include Viatris Pharmaceuticals LLC, Prepa - San Juan Steam Plant, Solutia 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).
- Viatris Pharmaceuticals LLC Barceloneta, PR · Chemicals 9 chemicals
- Prepa - San Juan Steam Plant Puerto Nuevo, PR · Electric Utilities 9 chemicals
- Solutia Inc Springfield, MA · Plastics and Rubber 9 chemicals
- O'Connell Oil Co Merrill Road Facility Pittsfield, MA · Petroleum Bulk Terminals 9 chemicals
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 And Copper Compounds, Lead And Lead Compounds, Copper compounds, Lead compounds; nearby reporters include Carlota Copper Co. Pinto Valley Mine 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 Pinto Valley Mine TRI extract (HEAVY · LAND · CARC-LEAN · lead Copper And Copper Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Pinto Valley Mine totals are self-reported EPCRA §313 estimates for Miami, AZ, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212230 · Metal Mining. 18.3% of Gila TRI pounds in this extract. Nearest ABS peer: Befesa Zinc Metal LLC (Δ 1.0M lbs). Pounds ≠ exposure.
Pinto Valley Mine stamps HEAVY volume · LAND pathway · CARC-LEAN · lead Copper And 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