Smurfit Westrock US Holding Co
1 facility · 1 state · 6.4M lbs total releases
According to the EPA Toxics Release Inventory, Smurfit Westrock US Holding Co is the reported parent of 1 Form R facility across 1 state, disclosing 6.4M lbs of toxic releases. 6 of 22 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Florida (6.4M lbs). Those TRI figures remain self-reported disclosure pounds for Smurfit Westrock US Holding Co, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Smurfit Westrock US Holding Co: EPA TRI 2023 reporting year
Same facilities, both years
+1.9%
1 facilities that filed in 2022 and 2023
Whole inventory
+1.9%
1.4 million lb → 1.4 million lb, every facility that filed
- Smurfit Westrock US Holding Co's total reported releases rose from 1.4 million lb in 2022 to 1.4 million lb in 2023, based on EPA TRI filings.
- Smurfit Westrock US Holding Co's water releases fell from 30.4 thousand lb in 2022 to 26.8 thousand lb in 2023, based on EPA TRI filings.
- Smurfit Westrock US Holding Co's off-site transfers rose from 120.0 thousand lb in 2022 to 127.3 thousand lb in 2023, based on EPA TRI filings.
- Smurfit Westrock US Holding Co's air releases rose from 1.2 million lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Smurfit Westrock US Holding Co from filing to facility
Smurfit Westrock US Holding Co maps to a single Form R site (Westrock) in Florida. Open that filing for the chemical mix; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Westrock. Neighbor parents on the disclosure ladder: Ascend Performance Materials Holdings Inc; The Mosaic Co; International Paper Co; Nextera Energy Inc. Largest disclosed chemicals by pounds: Methanol; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Ammonia; Manganese compounds; Hydrogen sulfide. Heaviest-reporting states in this extract: Florida. Industry labels on the parent rollup: Paper.
Smurfit Westrock US Holding Co ranks #223 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Smurfit Westrock US Holding Co's TRI Form R footprint is concentrated in a single state (Florida), so statewide context matters more than a multi-state portfolio read. This parent maps to a single reporting facility (Westrock), so the company total and that site's Form R are the same disclosure.
Parent aggregation for Smurfit Westrock US Holding Co follows facility-reported names. Compare the named neighbors (Ascend Performance Materials Holdings Inc; The Mosaic Co; International Paper Co) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Smurfit Westrock US Holding Co sits among TRI parents
Smurfit Westrock US Holding Co sits on a disclosure ladder beside Ascend Performance Materials Holdings Inc and The Mosaic Co and International Paper Co and Nextera Energy Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Ascend Performance Materials Holdings Inc · rank #221 · 116.3M lbs
- The Mosaic Co · rank #222 · 11.4M lbs
Lower disclosed volume
- International Paper Co · rank #224 · 6.4M lbs
- Nextera Energy Inc · rank #225 · 6.1M lbs
Largest chemicals disclosed by Smurfit Westrock US Holding Co
Methanol; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Ammonia; Manganese compounds; Hydrogen sulfide lead the Form R pound rollup for this parent, including filings such as Westrock. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Methanol | 3.6M lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 849.1K lbs |
| Ammonia | 672.6K lbs |
| Manganese compounds | 446.3K lbs |
| Hydrogen sulfide | 256.3K lbs |
Facilities (1)
| Facility | Releases |
|---|---|
| Westrock Fernandina Beach, FL | 6.4M lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Smurfit Westrock US Holding Co on total disclosed release pounds (6.4M lbs) and reporting facility count (1). Release-volume peers include American Crystal Sugar Co, Enterprise Products Operating LLC, Kraton Chemical Co LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Florida; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Smurfit Westrock US Holding Co's TRI parent record
From Smurfit Westrock US Holding Co, open Westrock or compare against Ascend Performance Materials Holdings Inc rather than reading rank alone.
- Open the largest Form R site for Smurfit Westrock US Holding Co (Westrock in FL). Largest facility
- Compare against The Mosaic Co, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Smurfit Westrock US Holding Co sits among all slug-merged TRI parents. All parent companies
Rank and peers (Ascend Performance Materials Holdings Inc, The Mosaic Co) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Smurfit Westrock US Holding Co's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.