EPA TRI Facility · Fabricated Metals
Olin Winchester LLC Main Plant
East Alton, IL · Parent: Olin Corp
- Total releases
- 529.5K lbs
- Chemicals reported
- 12
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Olin Winchester LLC Main Plant: how the 529.5K lbs splits
529.5K lbs across all reported pathways
- Off-site Transfers 479.7K lbs 90.6%
- Water Discharges 47.6K lbs 9.0%
- Air Releases 2.2K lbs 0.4%
Olin Winchester LLC Main Plant's 529.5K lbs Form-R total is OFFSITE - off-site transfers is 90.6% of the bar. Next segment: water discharges at 9.0%. 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.
MID volume OFFSITE pathway TRACE-CARC
Olin Winchester LLC Main Plant is an EPA Toxics Release Inventory reporter in East Alton, IL, in the fabricated metals sector. It reported 92.6K lbs of releases across 11 chemicals in 2023, and 529.5K lbs in total across its 2019-2023 reporting years. That ranks 1,879 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Illinois's 951 reporting TRI sites, pounds #1 is not chemical-count #1. Olin Winchester LLC Main Plant is pounds #79 and chemical-count #61 at 529.5K lbs. Prairie State Generating Co leads reported pounds (37.9M lbs) at 31 chemicals (chemical-count #8). Veolia N.a. Inc. leads chemical count at 141 chemicals (1.9M lbs, pounds #34). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Wieland Rolled Products N.a. - East Alton Main Plan; Wieland Rolled Products N.a. - East Alton Casting P; Alton Steel Inc; Wood River Refinery. Similar-scale Fabricated Metals peers outside Illinois: Gri Towers Texas; George Industries; Nucor Coatings Corp; Crown Beverage Packaging. Other Olin Corp sites in this extract: Blue Cube Operations LLC - Plaquemine Site; Freeport_olin Bc; Olin Corp; Olin Russellville Cell Technologies LLC. Largest disclosed chemicals by pounds: Zinc compounds; Copper And Copper Compounds; Lead And Lead Compounds; Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Olin Winchester LLC Main Plant stamps MID volume with a dominant OFFSITE pathway (90.6% off-site transfers) across 12 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 529.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Gri Towers Texas and George Industries.
Olin Winchester LLC Main Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
530K lbs Top 7% higher than 93% 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
Olin Winchester LLC Main Plant in the Fabricated Metals sector extract
Among the 3,421 Fabricated Metals facilities in this database, Olin Winchester LLC Main Plant reports the 93rd-largest volume, placing it in the top 2.7% of its sector. Scale peers outside Illinois include Gri Towers Texas and George Industries.
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
- Olin Winchester LLC Main Plant's total reported releases fell from 104.6 thousand lb in 2022 to 92.6 thousand lb in 2023, based on EPA TRI filings.
- Olin Winchester LLC Main Plant's air releases rose from 379 lb in 2022 to 446 lb in 2023, based on EPA TRI filings.
- Olin Winchester LLC Main Plant's off-site transfers fell from 95.1 thousand lb in 2022 to 83.3 thousand lb in 2023, based on EPA TRI filings.
- Olin Winchester LLC Main Plant's water releases fell from 9.1 thousand lb in 2022 to 8.9 thousand lb in 2023, based on EPA TRI filings.
Olin Winchester LLC Main Plant Form-R facts
Compare this facility
See how Olin Winchester LLC Main Plant stacks up against nearby facilities and the typical reporter.
2.4× more than the comparison
2.0× 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 Olin Winchester LLC Main Plant releases toxic chemicals into the environment. Total: 529.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 16% (109.8K lbs to 92.6K lbs).
Olin Winchester LLC Main Plant: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Olin Winchester LLC Main Plant year-over-year reported totals (decreased by 16% 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 | 109.8K lbs | 11 |
| 2020 | 113.3K lbs | 11 |
| 2021 | 109.1K lbs | 11 |
| 2022 | 104.6K lbs | 11 |
| 2023 | 92.6K lbs | 11 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 12 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 166.3K lbs | - |
| Copper And Copper Compounds | 157.3K lbs | - |
| Lead And Lead Compounds | 150.1K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 30.4K lbs | - |
| Barium And Barium Compounds | 9.2K lbs | - |
| Antimony And Antimony Compounds | 7.2K lbs | - |
| Ethylene glycol | 5.1K lbs | - |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 2.4K lbs | - |
| Arsenic | 1.7K lbs | Carcinogen |
| Nitroglycerin | 0 lbs | - |
| Nitric acid | 0 lbs | - |
| Dibutyl phthalate | 0 lbs | - |
Olin Winchester LLC Main Plant · OFFSITE-pathway site
Nearest TRI Facilities to Olin Winchester LLC Main Plant
Closest other reporters in Illinois - including Wieland Rolled Products N.a. - East Alton Main Plan, Wieland Rolled Products N.a. - East Alton Casting P, Alton Steel Inc, ordered by distance.
Showing 8 of 950 other reporting facilities in Illinois.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Illinois - e.g. Gri Towers Texas, George Industries, Nucor Coatings Corp.
Compare beyond Illinois
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Olin Winchester LLC Main Plant on cumulative reported pounds (529.5K lbs) and distinct chemical count (12). Release-pound peers include US Army National Guard Fort Pickett (ranges), US Army National Guard Camp Blanding Ranges, Hardin Generating Station. 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.
- US Army National Guard Fort Pickett (ranges) Blackstone, VA · Other 529.5K lbs reported
- US Army National Guard Camp Blanding Ranges Starke, FL · Other 530.0K lbs reported
- Hardin Generating Station Hardin, MT · Electric Utilities 530.0K lbs reported
- Ames Copper Group LLC Shelby, NC · Primary Metals 528.7K lbs reported
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 Olin Corp Facilities
Same-parent TRI sites ranked by reported releases - including Blue Cube Operations LLC - Plaquemine Site, Freeport_olin Bc, Olin Corp.
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, Lead And Lead Compounds, Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Wieland Rolled Products N.a. - East Alton Main Plan. Olin Winchester LLC Main Plant stamps MID volume · OFFSITE 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 Olin Winchester LLC Main Plant TRI extract (MID · OFFSITE · TRACE-CARC · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Olin Winchester LLC Main Plant totals are self-reported EPCRA §313 estimates for East Alton, IL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 332992 · Fabricated Metals. 1.7% of Madison TRI pounds in this extract. Nearest ABS peer: US Army National Guard Fort Pickett (ranges) (Δ 12 lbs). Pounds ≠ exposure.
Olin Winchester LLC Main Plant stamps MID volume · OFFSITE pathway · TRACE-CARC · 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