Occidental Petroleum Corp
25 facilities · 9 states · 9.1M lbs total releases
According to the EPA Toxics Release Inventory, Occidental Petroleum Corp is the reported parent of 25 Form R facilities across 9 states, disclosing 9.1M lbs of toxic releases. 29 of 207 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Louisiana (3.7M lbs). Those TRI figures remain self-reported disclosure pounds for Occidental Petroleum Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Occidental Petroleum Corp: EPA TRI 2023 reporting year
Same facilities, both years
+8.4%
25 facilities that filed in 2022 and 2023
Whole inventory
+8.4%
2.1 million lb → 2.3 million lb, every facility that filed
- Occidental Petroleum Corp's total reported releases rose from 2.1 million lb in 2022 to 2.3 million lb in 2023, based on EPA TRI filings.
- Occidental Petroleum Corp's land releases rose from 793.7 thousand lb in 2022 to 982.5 thousand lb in 2023, based on EPA TRI filings.
- Occidental Petroleum Corp's off-site transfers rose from 481.0 thousand lb in 2022 to 502.8 thousand lb in 2023, based on EPA TRI filings.
- Occidental Petroleum Corp's air releases fell from 731.7 thousand lb in 2022 to 699.6 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Occidental Petroleum Corp from filing to facility
Largest Form R sites under this parent: Occidental Chemical Corp Luling; Occidental Chemical Corp; Occidental Chemical Holding Corp - Geismar Plant; Oxy Vinyls LP Pasadena Pvc Plant. Neighbor parents on the disclosure ladder: Bayer US Holding LP; Ccc Parent LLC. Largest disclosed chemicals by pounds: Ammonia; Chlorine; Chloromethane; Nitrate compounds (water dissociable; reportable only when in aqueous solution); n-Hexane. Heaviest-reporting states in this extract: Louisiana; Texas; Kansas. Industry labels on the parent rollup: Chemicals; Natural Gas Processing. 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: Occidental Chemical Corp Luling; Occidental Chemical Corp; Occidental Chemical Holding Corp - Geismar Plant; Oxy Vinyls LP Pasadena Pvc Plant. Neighbor parents on the disclosure ladder: Bayer US Holding LP; Ccc Parent LLC. Largest disclosed chemicals by pounds: Ammonia; Chlorine; Chloromethane; Nitrate compounds (water dissociable; reportable only when in aqueous solution); n-Hexane. Heaviest-reporting states in this extract: Louisiana; Texas; Kansas. Industry labels on the parent rollup: Chemicals; Natural Gas Processing.
Occidental Petroleum Corp ranks #170 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Occidental Petroleum Corp spans 9 states in this extract, placing it among the broader national TRI parent footprints. Occidental Petroleum Corp's disclosed pounds are spread across 25 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Occidental Petroleum Corp follows facility-reported names. Compare the named neighbors (Bayer US Holding LP; Ccc Parent LLC) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Occidental Petroleum Corp sits among TRI parents
Occidental Petroleum Corp sits on a disclosure ladder beside Bayer US Holding LP and Ccc Parent LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Bayer US Holding LP · rank #168 · 81.9M lbs
- Ccc Parent LLC · rank #169 · 65.6M lbs
Largest chemicals disclosed by Occidental Petroleum Corp
Ammonia; Chlorine; Chloromethane; Nitrate compounds (water dissociable; reportable only when in aqueous solution); n-Hexane lead the Form R pound rollup for this parent, including filings such as Occidental Chemical Corp Luling. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Ammonia | 2.9M lbs |
| Chlorine | 788.0K lbs |
| Chloromethane | 783.8K lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 573.2K lbs |
| n-Hexane | 508.0K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Louisiana | 4 | 3.7M lbs |
| Texas | 14 | 2.6M lbs |
| Kansas | 1 | 2.2M lbs |
| Illinois | 1 | 340.7K lbs |
| New Mexico | 1 | 137.9K lbs |
| Michigan | 1 | 122.0K lbs |
| New Jersey | 1 | 17.9K lbs |
| Tennessee | 1 | 6.7K lbs |
| Alabama | 1 | 0 lbs |
Facilities (25)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Occidental Petroleum Corp on total disclosed release pounds (9.1M lbs) and reporting facility count (25). Release-volume peers include Hf Sinclair Corp, Saint-Gobain Corp, American Bath Group LLC. Facility-count peers include Ametek Inc, Arkema Delaware Inc, Berkshire Hathaway. 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 Louisiana, Texas, Kansas; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Occidental Petroleum Corp's TRI parent record
From Occidental Petroleum Corp, open Occidental Chemical Corp Luling or compare against Bayer US Holding LP rather than reading rank alone.
- Open the largest Form R site for Occidental Petroleum Corp (Occidental Chemical Corp Luling in LA). Largest facility
- Compare against Ccc Parent LLC, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Occidental Petroleum Corp sits among all slug-merged TRI parents. All parent companies
Rank and peers (Bayer US Holding LP, Ccc Parent LLC) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Occidental Petroleum 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.