Valero Energy Corp

40 facilities · 16 states · 46.1M lbs total releases

According to the EPA Toxics Release Inventory, Valero Energy Corp is the reported parent of 40 Form R facilities across 16 states, disclosing 46.1M lbs of toxic releases. 20 of 854 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Texas (35.2M lbs). Those TRI figures remain self-reported disclosure pounds for Valero Energy Corp, including carcinogen-flagged substances, not a measured public-health risk score.

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Release-over-release change

What changed for Valero Energy Corp: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+2.5%

35 facilities that filed in 2022 and 2023

Whole inventory

+2.5%

8.9 million lb → 9.1 million lb, every facility that filed

Between the two reporting years, 0 facilities filed for the first time and 1 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.

  • Valero Energy Corp's total reported releases rose from 8.9 million lb in 2022 to 9.1 million lb in 2023, based on EPA TRI filings.
  • Valero Energy Corp's land releases rose from 962.0 thousand lb in 2022 to 1.5 million lb in 2023, based on EPA TRI filings.
  • Valero Energy Corp's air releases fell from 3.6 million lb in 2022 to 3.4 million lb in 2023, based on EPA TRI filings.
  • Valero Energy Corp's water releases fell from 4.2 million lb in 2022 to 4.1 million lb in 2023, based on EPA TRI filings.

TRI parent disclosure trail

Read Valero Energy Corp from filing to facility

Largest Form R sites under this parent: Valero Refining - Texas L.P. Houston Refinery; Valero Refining-Texas LP; Diamond Shamrock Refining Co LP; Valero Refining-Texas LP Corpus Christi West Plant. Neighbor parents on the disclosure ladder: Targa Resources Corp; Ineos US I Inc; Republic Services Inc; Exxon Mobil Corp. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen cyanide; Ammonia; n-Hexane; Toluene. Heaviest-reporting states in this extract: Texas; Louisiana; California. 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

Total Releases
46.1M lbs
Facilities
40
Chemicals
854
Carcinogens
20

Largest Form R sites under this parent: Valero Refining - Texas L.P. Houston Refinery; Valero Refining-Texas LP; Diamond Shamrock Refining Co LP; Valero Refining-Texas LP Corpus Christi West Plant. Neighbor parents on the disclosure ladder: Targa Resources Corp; Ineos US I Inc; Republic Services Inc; Exxon Mobil Corp. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen cyanide; Ammonia; n-Hexane; Toluene. Heaviest-reporting states in this extract: Texas; Louisiana; California. Industry labels on the parent rollup: Petroleum; Chemicals; Petroleum Bulk Terminals.

Valero Energy Corp ranks #43 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Valero Energy Corp spans 16 states in this extract, placing it among the broader national TRI parent footprints. Valero Energy Corp's disclosed pounds are spread across 40 facilities, no single site dominates the parent total in this extract.

Parent aggregation for Valero Energy Corp follows facility-reported names. Compare the named neighbors (Targa Resources Corp; Ineos US I Inc; Republic Services Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.

Where Valero Energy Corp sits among TRI parents

Valero Energy Corp sits on a disclosure ladder beside Targa Resources Corp and Ineos US I Inc and Republic Services Inc and Exxon Mobil Corp. Open those parents for a different facility count, state span, and chemical mix.

Higher disclosed volume

Lower disclosed volume

Largest chemicals disclosed by Valero Energy Corp

Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen cyanide; Ammonia; n-Hexane; Toluene lead the Form R pound rollup for this parent, including filings such as Valero Refining - Texas L.P. Houston Refinery. Pound totals, not toxicity-weighted risk.

Chemical Disclosed lbs
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 21.6M lbs
Hydrogen cyanide 7.9M lbs
Ammonia 3.0M lbs
n-Hexane 1.7M lbs
Toluene 1.3M lbs

Where does this company operate?

State Facilities Total Releases
Texas 11 35.2M lbs
Louisiana 5 3.9M lbs
California 4 3.7M lbs
Tennessee 2 1.1M lbs
Oklahoma 1 729.2K lbs
Iowa 5 504.7K lbs
Indiana 3 341.3K lbs
Ohio 1 135.5K lbs
Minnesota 1 119.7K lbs
South Dakota 1 113.6K lbs
Arkansas 1 105.6K lbs
Nebraska 1 87.9K lbs
Wisconsin 1 11.9K lbs
Michigan 1 7.0K lbs
Kentucky 1 4.0K lbs
Illinois 1 129 lbs

Facilities (40)

Facility Releases
Valero Refining - Texas L.P. Houston Refinery Houston, TX 9.4M lbs
Valero Refining-Texas LP Texas City, TX 8.0M lbs
Diamond Shamrock Refining Co LP Sunray, TX 5.3M lbs
Valero Refining-Texas LP Corpus Christi West Plant Corpus Christi, TX 4.6M lbs
Premcor Refining Group Inc Port Arthur Port Arthur, TX 3.7M lbs
Valero Refining - New Orleans LLC Norco, LA 3.4M lbs
Valero Refining Co-Cali Fornia Benicia Refinery Benicia, CA 2.9M lbs
Valero Refining Texas LP Corpus Christi East Plant Corpus Christi, TX 2.3M lbs
Valero Three Rivers Refinery Three Rivers, TX 1.9M lbs
Valero Refining Co - Tennessee L.L.C. Memphis, TN 1.1M lbs
Ultramar Inc Wilmington Refinery Wilmington, CA 762.5K lbs
Valero Refining Co -Oklahoma Valero Ardmore Refinery Ardmore, OK 729.2K lbs
Valero Refining - Meraux LLC Meraux Refinery Meraux, LA 457.8K lbs
Valero Renewable Fuels-Mount Vernon Mount Vernon, IN 143.2K lbs
Valero Renewable Fuels Co LLC Bloomingburg, OH 135.5K lbs
Valero Charles City Plant Charles City, IA 131.2K lbs
Valero Welcome Plant Welcome, MN 119.7K lbs
Valero Renewable Fuels Llc* Aurora, SD 113.6K lbs
Valero Hartley Plant Hartley, IA 111.7K lbs
Valero Refining - Texas L.P. Houston Refinery Houston, TX 108.2K lbs
Valero Renewable Fuels LLC Fort Dodge, IA 107.9K lbs
Valero Partners West Memphis LLC West Memphis, AR 105.6K lbs
Valero Renewable Fuels Co LLC DBA Valero Linden Plant Linden, IN 99.6K lbs
Valero Bluffton Plant Bluffton, IN 98.5K lbs
Valero Renewable Fuels Albert City* Albert City, IA 91.7K lbs
Valero Renewable Fuels Co LLC DBA Valero Albion Plant Albion, NE 87.9K lbs
Valero Lakota Plant Lakota, IA 62.1K lbs
Valero Partners LLC Meraux, LA 54.1K lbs
Valero Partners Memphis LLC Memphis, TN 12.9K lbs
Valero Partners la Llc- Terminal Norco, LA 12.8K lbs
Valero Renewable Fuels Jefferson, WI 11.9K lbs
Valero Renewable Fuels Co LLC Riga, MI 7.0K lbs
Valero Wilmington Asphalt Plant Wilmington, CA 5.5K lbs
Valero Taylor Terminal Taylor, TX 4.3K lbs
Valero Louisville Terminal Louisville, KY 4.0K lbs
Ultramar Inc. Marine Terminal Wilmington, CA 3.3K lbs
Valero Corpus Christi Asphalt Terminal Corpus Christi, TX 701 lbs
Valero Houston Asphalt Terminal Houston, TX 490 lbs
Valero Donaldsonville Asphalt Terminal Saint James, LA 259 lbs
Premcor Hartford Distribution Center Hartford, IL 129 lbs

Frequently Asked Questions

How much pollution does Valero Energy Corp release?
Valero Energy Corp discloses 46.1M lbs across 40 facilities. On the ladder it sits near Targa Resources Corp and Ineos US I Inc. Valero Energy Corp ranks #43 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name.
How many facilities does Valero Energy Corp operate?
Valero Energy Corp maps to 40 facilities in Texas, Louisiana, California, including Valero Refining - Texas L.P. Houston Refinery; Valero Refining-Texas LP; Diamond Shamrock Refining Co LP; Valero Refining-Texas LP Corpus Christi West Plant. Valero Energy Corp's disclosed pounds are spread across 40 facilities, no single site dominates the parent total in this extract.
What industries and chemicals show up for Valero Energy Corp?
Valero Energy Corp's disclosed pounds span Petroleum; Chemicals; Petroleum Bulk Terminals, with Petroleum leading the parent total. Valero Energy Corp's largest disclosed chemicals by pounds are Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen cyanide, Ammonia, n-Hexane, Toluene (none of those top chemicals carry a carcinogen flag in this extract). Neighbor parents: Targa Resources Corp; Ineos US I Inc; Republic Services Inc; Exxon Mobil Corp.
Does Valero Energy Corp release carcinogens?
Yes - 20 carcinogen-flagged substances appear in the extract. Largest by pounds include Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen cyanide; Ammonia; n-Hexane; Toluene.

Compare beyond the release ladder

Nationwide peers by disclosed pounds & facility count

Cross-portfolio TRI parents nearest Valero Energy Corp on total disclosed release pounds (46.1M lbs) and reporting facility count (40). Release-volume peers include Cargill Inc, American Electric Power, Xcel Energy. Facility-count peers include Airgas Inc, Eaton Corp, US Department of Justice. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.

About This Data

EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Texas, Louisiana, California; facility-reported names can vary across subsidiaries.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files

What to do with Valero Energy Corp's TRI parent record

From Valero Energy Corp, open Valero Refining - Texas L.P. Houston Refinery or compare against Targa Resources Corp rather than reading rank alone.

  • Open the largest Form R site for Valero Energy Corp (Valero Refining - Texas L.P. Houston Refinery in TX). 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 Valero Energy Corp sits among all slug-merged TRI parents. All parent companies

Rank and peers (Targa Resources Corp, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.

Use and verify this record

Valero Energy 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

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.