Shell Oil Co
5 facilities · 4 states · 3.7M lbs total releases
According to the EPA Toxics Release Inventory, Shell Oil Co is the reported parent of 5 Form R facilities across 4 states, disclosing 3.7M lbs of toxic releases. 16 of 82 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 Shell Oil Co, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Shell Oil Co: EPA TRI 2023 reporting year
Same facilities, both years
+48.5%
2 facilities that filed in 2022 and 2023
Whole inventory
+48.5%
464.7 thousand lb → 690.1 thousand lb, every facility that filed
- Shell Oil Co's total reported releases rose from 464.7 thousand lb in 2022 to 690.1 thousand lb in 2023, based on EPA TRI filings.
- Shell Oil Co's air releases rose from 462.9 thousand lb in 2022 to 688.7 thousand lb in 2023, based on EPA TRI filings.
- Shell Oil Co's water releases fell from 1.7 thousand lb in 2022 to 1.4 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Shell Oil Co from filing to facility
Largest Form R sites under this parent: Shell Norco Chemical Plant; Shell Norco Chemical Plant West Site; Equilon Stockton Terminal; Sopus Products. Neighbor parents on the disclosure ladder: Bayer US Holding LP; Ccc Parent LLC. Largest disclosed chemicals by pounds: Propylene; Ethylene; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Toluene; Benzene. Heaviest-reporting states in this extract: Louisiana; California; Texas. Industry labels on the parent rollup: Petroleum; Chemicals; Petroleum Bulk Terminals. 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: Shell Norco Chemical Plant; Shell Norco Chemical Plant West Site; Equilon Stockton Terminal; Sopus Products. Neighbor parents on the disclosure ladder: Bayer US Holding LP; Ccc Parent LLC. Largest disclosed chemicals by pounds: Propylene; Ethylene; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Toluene; Benzene. Heaviest-reporting states in this extract: Louisiana; California; Texas. Industry labels on the parent rollup: Petroleum; Chemicals; Petroleum Bulk Terminals.
Shell Oil Co ranks #320 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Shell Oil Co files across 4 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Shell Norco Chemical Plant accounts for most of Shell Oil Co's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Shell Oil Co 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 Shell Oil Co sits among TRI parents
Shell Oil Co 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 #318 · 81.9M lbs
- Ccc Parent LLC · rank #319 · 65.6M lbs
Largest chemicals disclosed by Shell Oil Co
Propylene; Ethylene; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Toluene; Benzene lead the Form R pound rollup for this parent, including filings such as Shell Norco Chemical Plant. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Propylene | 906.3K lbs |
| Ethylene | 737.7K lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 337.4K lbs |
| Toluene | 302.1K lbs |
| Benzene | 299.6K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Louisiana | 2 | 3.7M lbs |
| California | 1 | 1.3K lbs |
| Texas | 1 | 342 lbs |
| Oregon | 1 | 0 lbs |
Facilities (5)
| Facility | Releases |
|---|---|
| Shell Norco Chemical Plant Norco, LA | 3.6M lbs |
| Shell Norco Chemical Plant West Site Norco, LA | 96.0K lbs |
| Equilon Stockton Terminal Stockton, CA | 1.3K lbs |
| Sopus Products Galena Park, TX | 342 lbs |
| Pennzoil-Quaker State Co DBA Sopus Products-Portland Portland, OR | 0 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 Shell Oil Co on total disclosed release pounds (3.7M lbs) and reporting facility count (5). Release-volume peers include Kinder Morgan, Arcosa Inc, Hubbell Inc. Facility-count peers include Abb Motors & Mechanical Inc, Advansix Inc, Aes Corp. 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, California, Texas; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Shell Oil Co's TRI parent record
From Shell Oil Co, open Shell Norco Chemical Plant or compare against Bayer US Holding LP rather than reading rank alone.
- Open the largest Form R site for Shell Oil Co (Shell Norco Chemical Plant 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 Shell Oil Co 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
Shell Oil 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.