Weyerhaeuser Co
19 facilities · 10 states · 4.5M lbs total releases
According to the EPA Toxics Release Inventory, Weyerhaeuser Co is the reported parent of 19 Form R facilities across 10 states, disclosing 4.5M lbs of toxic releases. 3 of 40 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is North Carolina (982.3K lbs). Those TRI figures remain self-reported disclosure pounds for Weyerhaeuser Co, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Weyerhaeuser Co: EPA TRI 2023 reporting year
Same facilities, both years
-2.7%
19 facilities that filed in 2022 and 2023
Whole inventory
-2.7%
899.4 thousand lb → 875.3 thousand lb, every facility that filed
- Weyerhaeuser Co's total reported releases fell from 899.4 thousand lb in 2022 to 875.3 thousand lb in 2023, based on EPA TRI filings.
- Weyerhaeuser Co's land releases rose from 3 lb in 2022 to 8.5 thousand lb in 2023, based on EPA TRI filings.
- Weyerhaeuser Co's off-site transfers fell from 9.2 thousand lb in 2022 to 7.9 thousand lb in 2023, based on EPA TRI filings.
- Weyerhaeuser Co's air releases fell from 890.2 thousand lb in 2022 to 858.8 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Weyerhaeuser Co from filing to facility
Largest Form R sites under this parent: Weyerhaeuser Nr; Weyerhaeuser Nr Co; Weyerhaeuser Nr Co-Elkin Plant; Weyerhaeuser Nr Co. Neighbor parents on the disclosure ladder: Stillwater Mining Co; Par Pacific Holdings Inc. Largest disclosed chemicals by pounds: Methanol; Formaldehyde; Ammonia; Phenol; Acetaldehyde. Heaviest-reporting states in this extract: North Carolina; Arkansas; Montana. Industry labels on the parent rollup: Wood Products. Start from those named sites and neighbors rather than a generic parent blurb; 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: Weyerhaeuser Nr; Weyerhaeuser Nr Co; Weyerhaeuser Nr Co-Elkin Plant; Weyerhaeuser Nr Co. Neighbor parents on the disclosure ladder: Stillwater Mining Co; Par Pacific Holdings Inc. Largest disclosed chemicals by pounds: Methanol; Formaldehyde; Ammonia; Phenol; Acetaldehyde. Heaviest-reporting states in this extract: North Carolina; Arkansas; Montana. Industry labels on the parent rollup: Wood Products.
Weyerhaeuser Co ranks #286 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Weyerhaeuser Co spans 10 states in this extract, placing it among the broader national TRI parent footprints. Weyerhaeuser Co's disclosed pounds are spread across 19 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Weyerhaeuser Co follows facility-reported names. Compare the named neighbors (Stillwater Mining Co; Par Pacific Holdings Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Weyerhaeuser Co sits among TRI parents
Weyerhaeuser Co sits on a disclosure ladder beside Stillwater Mining Co and Par Pacific Holdings Inc. Open those parents for a different facility count, state span, and chemical mix.
Lower disclosed volume
- Stillwater Mining Co · rank #287 · 3.4M lbs
- Par Pacific Holdings Inc · rank #288 · 881.7K lbs
Largest chemicals disclosed by Weyerhaeuser Co
Methanol; Formaldehyde; Ammonia; Phenol; Acetaldehyde lead the Form R pound rollup for this parent, including filings such as Weyerhaeuser Nr. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Methanol | 3.1M lbs |
| Formaldehyde | 789.8K lbs |
| Ammonia | 284.5K lbs |
| Phenol | 270.5K lbs |
| Acetaldehyde | 45.7K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| North Carolina | 3 | 982.3K lbs |
| Arkansas | 2 | 875.5K lbs |
| Montana | 2 | 866.1K lbs |
| Louisiana | 4 | 654.9K lbs |
| Michigan | 1 | 323.7K lbs |
| Alabama | 2 | 281.3K lbs |
| Mississippi | 1 | 214.1K lbs |
| Oklahoma | 1 | 153.1K lbs |
| West Virginia | 2 | 85.6K lbs |
| Oregon | 1 | 42.0K lbs |
Facilities (19)
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Weyerhaeuser Co on total disclosed release pounds (4.5M lbs) and reporting facility count (19). Release-volume peers include Arauco N.a. Inc, Lyondellbasell Industries, Ppg Industries Inc. Facility-count peers include Anheuser-Busch Cos LLC, Ecolab Inc, Gcc of America. 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.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are North Carolina, Arkansas, Montana; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Weyerhaeuser Co's TRI parent record
From Weyerhaeuser Co, open Weyerhaeuser Nr or compare against Stillwater Mining Co rather than reading rank alone.
- Open the largest Form R site for Weyerhaeuser Co (Weyerhaeuser Nr in MT). Largest facility
- Compare against Stillwater Mining Co, the next-lower disclosed-volume parent. Lower-volume parent
- Browse the full parent release ranking to see where Weyerhaeuser Co sits among all slug-merged TRI parents. All parent companies
Rank and peers (Stillwater Mining Co, Par Pacific Holdings Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Weyerhaeuser 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.