Owens Corning
48 facilities · 25 states · 10.3M lbs total releases
According to the EPA Toxics Release Inventory, Owens Corning is the reported parent of 48 Form R facilities across 25 states, disclosing 10.3M lbs of toxic releases. 7 of 166 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Texas (2.3M lbs). Those TRI figures remain self-reported disclosure pounds for Owens Corning, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Owens Corning: EPA TRI 2023 reporting year
Same facilities, both years
-8.9%
45 facilities that filed in 2022 and 2023
Whole inventory
-9.6%
2.2 million lb → 2.0 million lb, every facility that filed
Between the two reporting years, 1 facility filed for the first time and 1 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Owens Corning's total reported releases fell from 2.2 million lb in 2022 to 2.0 million lb in 2023, based on EPA TRI filings.
- Owens Corning's water releases rose from 5 lb in 2022 to 17 lb in 2023, based on EPA TRI filings.
- Owens Corning's air releases fell from 1.2 million lb in 2022 to 917.1 thousand lb in 2023, based on EPA TRI filings.
- Owens Corning's off-site transfers rose from 998.5 thousand lb in 2022 to 1.1 million lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Owens Corning from filing to facility
Largest Form R sites under this parent: Owens Corning Insulating Systems LLC Newark Oh Facility; Owens Corning Insulating Systems LLC - Waxahachie; Owens Corning Insulating Systems LLC; Masonite Corp. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc; Ohio Valley Electric Corp; Vistra Corp. Largest disclosed chemicals by pounds: Manganese And Manganese Compounds; Ammonia; Manganese compounds; Methanol; Formaldehyde. Heaviest-reporting states in this extract: Texas; Ohio; Missouri. Industry labels on the parent rollup: Nonmetallic Mineral Product; Wood Products; Petroleum; Textiles. 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: Owens Corning Insulating Systems LLC Newark Oh Facility; Owens Corning Insulating Systems LLC - Waxahachie; Owens Corning Insulating Systems LLC; Masonite Corp. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc; Ohio Valley Electric Corp; Vistra Corp. Largest disclosed chemicals by pounds: Manganese And Manganese Compounds; Ammonia; Manganese compounds; Methanol; Formaldehyde. Heaviest-reporting states in this extract: Texas; Ohio; Missouri. Industry labels on the parent rollup: Nonmetallic Mineral Product; Wood Products; Petroleum; Textiles.
Owens Corning ranks #164 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Owens Corning spans 25 states in this extract, placing it among the broader national TRI parent footprints. Owens Corning's disclosed pounds are spread across 48 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Owens Corning follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; Ineos US I Inc; Ohio Valley Electric Corp) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Owens Corning sits among TRI parents
Owens Corning sits on a disclosure ladder beside Cleveland-Cliffs Inc and Ineos US I Inc and Ohio Valley Electric Corp and Vistra Corp. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #162 · 64.3M lbs
- Ineos US I Inc · rank #163 · 42.4M lbs
Lower disclosed volume
- Ohio Valley Electric Corp · rank #165 · 8.0M lbs
- Vistra Corp · rank #166 · 6.4M lbs
Largest chemicals disclosed by Owens Corning
Manganese And Manganese Compounds; Ammonia; Manganese compounds; Methanol; Formaldehyde lead the Form R pound rollup for this parent, including filings such as Owens Corning Insulating Systems LLC Newark Oh Facility. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Manganese And Manganese Compounds | 2.6M lbs |
| Ammonia | 2.4M lbs |
| Manganese compounds | 1.1M lbs |
| Methanol | 1.1M lbs |
| Formaldehyde | 859.5K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Texas | 5 | 2.3M lbs |
| Ohio | 3 | 1.9M lbs |
| Missouri | 2 | 1.6M lbs |
| Georgia | 3 | 1.0M lbs |
| Mississippi | 1 | 937.7K lbs |
| New York | 1 | 558.2K lbs |
| Indiana | 3 | 506.0K lbs |
| South Carolina | 5 | 331.4K lbs |
| Kansas | 2 | 280.0K lbs |
| Tennessee | 4 | 250.8K lbs |
| Florida | 2 | 191.3K lbs |
| Illinois | 2 | 172.3K lbs |
| California | 2 | 60.8K lbs |
| Utah | 1 | 19.4K lbs |
| Arizona | 1 | 12.3K lbs |
| Alabama | 1 | 5.8K lbs |
| Minnesota | 1 | 5.6K lbs |
| Oregon | 2 | 3.8K lbs |
| New Jersey | 1 | 2.1K lbs |
| Virginia | 1 | 774 lbs |
| Nebraska | 1 | 307 lbs |
| North Dakota | 1 | 117 lbs |
| North Carolina | 1 | 11 lbs |
| New Hampshire | 1 | 3 lbs |
| Oklahoma | 1 | 0 lbs |
Facilities (48)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Owens Corning on total disclosed release pounds (10.3M lbs) and reporting facility count (48). Release-volume peers include Novelis Inc, Nd Paper LLC, Leggett & Platt Inc. Facility-count peers include Ppg Industries Inc, Rpm International Inc, Vulcan Materials Co. 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 Texas, Ohio, Missouri; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Owens Corning's TRI parent record
From Owens Corning, open Owens Corning Insulating Systems LLC Newark Oh Facility or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Owens Corning (Owens Corning Insulating Systems LLC Newark Oh Facility in OH). Largest facility
- Compare against Ineos US I Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Owens Corning sits among all slug-merged TRI parents. All parent companies
Rank and peers (Cleveland-Cliffs Inc, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Owens Corning'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.