Cenovus U.S. Corp
1 facility · 1 state · 3.0M lbs total releases
According to the EPA Toxics Release Inventory, Cenovus U.S. Corp is the reported parent of 1 Form R facility across 1 state, disclosing 3.0M lbs of toxic releases. 13 of 38 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Ohio (3.0M lbs). Those TRI figures remain self-reported disclosure pounds for Cenovus U.S. Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Cenovus U.S. Corp: EPA TRI 2023 reporting year
Same facilities, both years
+17.4%
1 facilities that filed in 2022 and 2023
Whole inventory
+17.4%
659.1 thousand lb → 773.8 thousand lb, every facility that filed
- Cenovus U.S. Corp's total reported releases rose from 659.1 thousand lb in 2022 to 773.8 thousand lb in 2023, based on EPA TRI filings.
- Cenovus U.S. Corp's off-site transfers fell from 62.3 thousand lb in 2022 to 32.4 thousand lb in 2023, based on EPA TRI filings.
- Cenovus U.S. Corp's water releases rose from 452.3 thousand lb in 2022 to 604.5 thousand lb in 2023, based on EPA TRI filings.
- Cenovus U.S. Corp's air releases fell from 144.5 thousand lb in 2022 to 136.8 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Cenovus U.S. Corp from filing to facility
Cenovus U.S. Corp maps to a single Form R site (Ohio Refining Co) in Ohio. 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: Ohio Refining Co. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Nickel compounds; Xylene (mixed isomers); Cobalt compounds. Heaviest-reporting states in this extract: Ohio. Industry labels on the parent rollup: Petroleum.
Cenovus U.S. Corp ranks #366 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Cenovus U.S. Corp's TRI Form R footprint is concentrated in a single state (Ohio), so statewide context matters more than a multi-state portfolio read. This parent maps to a single reporting facility (Ohio Refining Co), so the company total and that site's Form R are the same disclosure.
Parent aggregation for Cenovus U.S. Corp follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; Ineos US I Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Cenovus U.S. Corp sits among TRI parents
Cenovus U.S. Corp sits on a disclosure ladder beside Cleveland-Cliffs Inc and Ineos US I Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #364 · 64.3M lbs
- Ineos US I Inc · rank #365 · 42.4M lbs
Largest chemicals disclosed by Cenovus U.S. Corp
Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Nickel compounds; Xylene (mixed isomers); Cobalt compounds lead the Form R pound rollup for this parent, including filings such as Ohio Refining Co. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1.9M lbs |
| Ammonia | 403.6K lbs |
| Nickel compounds | 84.4K lbs |
| Xylene (mixed isomers) | 81.0K lbs |
| Cobalt compounds | 64.0K lbs |
Facilities (1)
| Facility | Releases |
|---|---|
| Ohio Refining Co Oregon, OH | 3.0M lbs |
Frequently Asked Questions
How much pollution does Cenovus U.S. Corp release?
How many facilities does Cenovus U.S. Corp operate?
What industries and chemicals show up for Cenovus U.S. Corp?
Does Cenovus U.S. Corp release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Cenovus U.S. Corp on total disclosed release pounds (3.0M lbs) and reporting facility count (1). Release-volume peers include Tessenderlo Kerley Inc, Greif Inc, Teijin Automotive Technologies Inc. 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 Ohio; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Cenovus U.S. Corp's TRI parent record
From Cenovus U.S. Corp, open Ohio Refining Co or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Cenovus U.S. Corp (Ohio Refining Co 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 Cenovus U.S. Corp 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
Cenovus U.S. Corp'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.