EPA TRI Facility · Plastics and Rubber
Polygon Co
Walkerton, IN
- Total releases
- 4.7K lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Air Releases
MIXED Form-R mix
Polygon Co: how the 4.7K lbs splits
4.7K lbs across all reported pathways
- Air Releases 3.2K lbs 66.8%
- Off-site Transfers 1.6K lbs 33.2%
Polygon Co's 4.7K lbs Form-R total is MIXED - air releases is 66.8% of the bar. Next segment: off-site transfers at 33.2%. Leading chemical by pounds: Styrene.
LIGHT volume MIXED pathway CARC-HEAVY
Polygon Co is an EPA Toxics Release Inventory reporter in Walkerton, IN, in the plastics and rubber sector. It reported 945 lbs of releases across 1 chemical in 2023, and 4.7K lbs in total across its 2019-2023 reporting years. That ranks 11,297 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Indiana's 871 reporting TRI sites, pounds #1 is not chemical-count #1. Polygon Co is pounds #500 and chemical-count #753 at 4.7K lbs. Uss Gary Works leads reported pounds (77.4M lbs) at 36 chemicals (chemical-count #9). Tradebe Treatment & Recycling LLC leads chemical count at 98 chemicals (11.9M lbs, pounds #12). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Masonite Corp Walkerton; Hydro Extrusion USA LLC; Accurate Castings Inc Kingsbury Castings Div; Precoat Metals. Similar-scale Plastics and Rubber peers outside Indiana: Emco Williams Inc; Natvar; Hexpol - Huntingdon; Nitto Automotive Inc. Largest disclosed chemicals by pounds: Styrene.
Polygon Co is a LIGHT · MIXED-pathway Form-R site in Walkerton, IN: 4.7K lbs across 1 chemical (1 carcinogen-classified, CARC-HEAVY). No single media clears 70% of the bar (lead segment air releases at 66.8%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Emco Williams Inc and Natvar.
Polygon Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
4.7K lbs Top 43% higher than 57% 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
Polygon Co: Styrene-led volume
Among the 1,504 Plastics and Rubber facilities in this database, Polygon Co reports the 898th-largest volume (4.7K lbs). Its reported volume is concentrated rather than spread: Styrene alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside Indiana include Emco Williams Inc and Natvar.
Concentrated means ≥60% of Polygon Co's pounds in one chemical - here Styrene at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Polygon Co's total reported releases fell from 1.9 thousand lb in 2022 to 945 lb in 2023, based on EPA TRI filings.
- Polygon Co's air releases fell from 1.6 thousand lb in 2022 to 672 lb in 2023, based on EPA TRI filings.
- Polygon Co's off-site transfers fell from 284 lb in 2022 to 273 lb in 2023, based on EPA TRI filings.
Polygon Co Form-R facts
Compare this facility
See how Polygon Co stacks up against nearby facilities and the typical reporter.
27.3× more than the comparison
About the same as 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 Polygon Co releases toxic chemicals into the environment. Total: 4.7K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 18% (799 lbs to 945 lbs).
Polygon Co: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Polygon Co year-over-year reported totals (increased by 18% 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: Styrene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 799 lbs | 1 |
| 2020 | 489 lbs | 1 |
| 2021 | 650 lbs | 1 |
| 2022 | 1.9K lbs | 1 |
| 2023 | 945 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 4.7K lbs | Carcinogen |
Polygon Co in St. Joseph
Nearest TRI Facilities to Polygon Co
Closest other reporters in Indiana - including Masonite Corp Walkerton, Hydro Extrusion USA LLC, Accurate Castings Inc Kingsbury Castings Div, ordered by distance.
Showing 8 of 870 other reporting facilities in Indiana.
Similar Plastics and Rubber Facilities
Other Plastics and Rubber facilities with similar total release volumes (±80%), outside Indiana - e.g. Emco Williams Inc, Natvar, Hexpol - Huntingdon.
Compare beyond Indiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Polygon Co on cumulative reported pounds (4.7K lbs) and distinct chemical count (1). Release-pound peers include Freshpet, US Doe Slac National Accelerator Laboratory, Mplx Terminals LLC - Oregon Oh Terminal. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico 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.
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 Styrene; nearby reporters include Masonite Corp Walkerton. Polygon Co stamps LIGHT volume · MIXED pathway · CARC-HEAVY 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 Polygon Co TRI extract (LIGHT · MIXED · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Polygon Co totals are self-reported EPCRA §313 estimates for Walkerton, IN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 326199 · Plastics and Rubber. 0.2% of St. Joseph TRI pounds in this extract. Nearest ABS peer: Freshpet (Δ 1 lbs). Pounds ≠ exposure.
Polygon Co stamps LIGHT · MIXED pathway (air releases leads at 66.8%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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