EPA TRI Facility · Primary Metals

Uss Gary Works

Gary, IN · Parent: US Steel Corp

Total releases
77.4M lbs
Chemicals reported
36
Carcinogens
10
Primary pathway
Land Disposal
Verify at EPA TRI →

Uss Gary Works has reported 77.4M lbs of toxic releases across 36 chemicals to the EPA Toxic Release Inventory, based on annual facility disclosures from 2019 through 2023. Of the chemicals reported, 10 are classified as carcinogens, representing 28% of the facility's chemical profile. The facility operates in the Primary Metals sector. The primary release pathway is land disposal, accounting for 95% of total releases. All release data shown below is self-reported to the EPA under the Emergency Planning and Community Right-to-Know Act (EPCRA) Section 313.

#21 of 25,902 TRI facilities nationwide by total reported releases - among the top 0.1% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Uss Gary Works files annual Form R disclosures to the EPA Toxics Release Inventory under EPCRA Section 313, classified under NAICS 331110 (Primary Metals). Across 5 years of records spanning 2019–2023, the site has disclosed 77.4M lbs in cumulative toxic releases across 36 distinct chemicals, 10 of which (28%) carry a carcinogenic classification.

The dominant release pathway is land disposal at 73.5M lbs (95.0% of total volume), followed by air releases at 2.3%. Between 2019 and 2023, reported totals decreased by 42% - from 22.6M lbs to 13.1M lbs. The facility is operated under parent company US Steel Corp.

TRI Form R values are self-reported estimates, not measured stack emissions, and treat every pound of reported chemical equally regardless of toxicity. Inclusion in the TRI database does not establish a health risk to nearby residents; it documents the annual reporting record that Uss Gary Works has filed with the EPA under federal community right-to-know requirements.

Quick Facts

Industry
Primary Metals
NAICS Code
331110
Total Releases
77.4M lbs
Chemicals Reported
36
Latest Report Year
2023

Compare this facility

See how Uss Gary Works stacks up against nearby facilities and the typical reporter.

Total reported releases
Uss Gary Works
77.4M lbs
Cleveland-Cliffs Steel Corp (rockport Works )
67.4M lbs

About the same as the comparison

Chemicals reported
Uss Gary Works
36
Cleveland-Cliffs Steel Corp (rockport Works )
10

3.6× 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 Uss Gary Works releases toxic chemicals into the environment. Total: 77.4M lbs.

Land Disposal 73.5M lbs (95.0%)
Air Releases 1.7M lbs (2.3%)
Off-site Transfers 1.1M lbs (1.5%)
Water Discharges 960.3K lbs (1.2%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 42% (22.6M lbs to 13.1M lbs).

Reported total releases by year

Uss Gary Works - annual TRI totals

million lbs

What this shows Year-over-year reported totals. TRI figures are self-reported estimates and can swing with production levels, waste-rock handling and reporting changes, not only with emissions controls.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 22.6M lbs 32
2020 19.5M lbs 33
2021 10.2M lbs 32
2022 12.0M lbs 28
2023 13.1M lbs 28

Chemical Releases

Aggregated across all reporting years (2019–2023). 10 of 36 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Manganese And Manganese Compounds 42.6M lbs -
Zinc compounds 26.1M lbs -
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 2.4M lbs -
Vanadium compounds 1.5M lbs -
Lead And Lead Compounds 1.4M lbs -
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 790.0K lbs -
Ammonia 757.8K lbs -
Copper And Copper Compounds 355.8K lbs -
Hydrogen sulfide 317.0K lbs -
Molybdenum trioxide 292.4K lbs Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 203.5K lbs -
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 160.1K lbs -
Nickel And Nickel Compounds 133.4K lbs Carcinogen
Cadmium compounds 75.0K lbs Carcinogen
Thallium compounds 47.4K lbs -
Arsenic And Arsenic Compounds 44.4K lbs Carcinogen
Antimony compounds 40.3K lbs -
Selenium compounds 35.8K lbs -
Antimony And Antimony Compounds 27.4K lbs -
Silver compounds 25.6K lbs -
Arsenic compounds 11.3K lbs Carcinogen
Cobalt compounds 10.9K lbs Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 8.8K lbs -
Phenanthrene 7.1K lbs -
Naphthalene 3.9K lbs Carcinogen
Beryllium compounds 3.2K lbs Carcinogen
Polycyclic aromatic compounds 2.3K lbs Carcinogen
Anthracene 1.0K lbs -
Dibenzofuran 752 lbs -
Mercury And Mercury Compounds 638 lbs -
Mercury compounds 460 lbs -
Dioxin and dioxin-like compounds 21 lbs Carcinogen
Benzo[g,h,i]perylene 1 lbs -
Diethanolamine 0 lbs -
Lithium carbonate 0 lbs -
Sodium nitrite 0 lbs -

Location

Coordinates
41.6085, -87.3373
ZIP Code
46402
EPA Facility ID
46402SSGRYONENO

About TRI Data

Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.

Data comes from the EPA Toxic Release Inventory (TRI) program. Facilities that manufacture, process, or otherwise use listed toxic chemicals above threshold amounts are required to report annually to the EPA.

Release quantities are self-reported by the facility and may represent estimates rather than exact measurements. "Total releases" includes releases to air, water, land, and off-site transfers for disposal. Quantities shown here are aggregated across all available reporting years.

PlainEnviro presents this data without advocacy framing. The presence of a facility in the TRI database does not by itself indicate a health risk. For site-specific health questions, consult your local environmental or health agency.

Frequently Asked Questions

What chemicals does Uss Gary Works release?
Uss Gary Works has reported releases of 36 chemicals to the EPA Toxic Release Inventory, totaling 77.4M lbs. 10 of these (28%) are classified as carcinogens.
What industry is Uss Gary Works in?
Uss Gary Works is classified under the "Primary Metals" industry (NAICS code 331110), located in Gary, IN.
How long has Uss Gary Works reported to the TRI?
Uss Gary Works has EPA Toxic Release Inventory data spanning 5 years, from 2019 to 2023.
How does Uss Gary Works release toxic chemicals?
The primary release pathway for Uss Gary Works is land disposal, accounting for 95.0% of total releases (73.5M lbs). Secondary pathway: air releases (2.3%).
Are emissions from Uss Gary Works increasing or decreasing?
From 2019 to 2023, total releases decreased by 42%, from 22.6M lbs to 13.1M lbs.
Is Uss Gary Works a health risk?
The presence of a facility in the TRI database does not by itself indicate a health risk. Release quantities are self-reported estimates. For site-specific health questions, consult your local environmental or health agency.
Does Uss Gary Works release carcinogens?
Yes, Uss Gary Works reports 10 chemicals classified as carcinogens, representing 28% of all chemicals reported by this facility. Carcinogen classification is based on EPA and IARC assessments.

What to do with this facility's data

Use this facility profile as a starting point, then check how it compares.

  • See whether releases reported by Uss Gary Works are rising or falling over time. View trends
  • This facility ranks #21 of 25,902 TRI facilities nationwide by total reported releases - among the top 0.1% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk. See the full rankings
  • Check Indiana's statewide profile for the full picture: total facilities, water systems, and Superfund sites. View Indiana profile

TRI release totals are self-reported estimates submitted to the EPA, not independently measured stack emissions; a high rank reflects reported volume, not necessarily local health risk.

Related

Sources & how this page was built

Every figure on this page traces to public, federal-government data on Uss Gary Works. The records below are the primary sources; our methodology explains how they are joined, computed, and verified.

Retrieved and formatted by PlainEnviro Editorial. TRI release totals are self-reported estimates, not measured stack emissions.

According to the U.S. Environmental Protection Agency, the Toxics Release Inventory has required annual industrial disclosure since its creation under the Emergency Planning and Community Right-to-Know Act in October 1986, and this facility's record is drawn from PlainEnviro's database of more than 25,000 EPA-tracked facilities through the 2023 reporting year; see our methodology for full source citations and refresh cadence.