EPA TRI Facility · Petroleum Bulk Terminals
Tesoro - Stockton Terminal
Stockton, CA · Parent: Marathon Petroleum Corp
- Total releases
- 8.5K lbs
- Chemicals reported
- 11
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
Tesoro - Stockton Terminal: how the 8.5K lbs splits
8.5K lbs across all reported pathways
- Air Releases 8.1K lbs 95.1%
- Off-site Transfers 414 lbs 4.9%
Tesoro - Stockton Terminal's 8.5K lbs Form-R total is AIR - air releases is 95.1% of the bar. Next segment: off-site transfers at 4.9%. Leading chemical by pounds: Xylene (mixed isomers).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume AIR pathway CARC-LEAN
Tesoro - Stockton Terminal is an EPA Toxics Release Inventory reporter in Stockton, CA, in the petroleum bulk terminals sector. It reported 1.1K lbs of releases across 11 chemicals in 2023, and 8.5K lbs in total across its 2020-2023 reporting years. That ranks 10,175 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Tesoro - Stockton Terminal is pounds #438 and chemical-count #67 at 8.5K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Pacific Ethanol Stockton LLC; Hj Baker & Bro LLC; Equilon Stockton Terminal; Schuff Steel Co. Similar-scale Petroleum Bulk Terminals peers outside California: Crestwood Crude Logistics LP; Mplx Terminals LLC - Powder Springs Ga Terminal; Mpc Alaska Terminal Co Llc- North Pole; Mplx Terminals LLC - Macon Ga Terminal. Other Marathon Petroleum Corp sites in this extract: Blanchard Refining Co LLC; Marathon Petroleum Co LP; Marathon Mandan Refinery; Catlettsburg Refining LLC. Largest disclosed chemicals by pounds: Xylene (mixed isomers); Toluene; Cyclohexane; 1,2,4-Trimethylbenzene.
Compare Tesoro - Stockton Terminal with
Nearest reporters in California
- Pacific Ethanol Stockton LLC Stockton · 7.6K lbs
- Hj Baker & Bro LLC Stockton · 55 lbs
- Equilon Stockton Terminal Stockton · 1.3K lbs
- Schuff Steel Co Stockton · 814 lbs
Similar-scale Petroleum Bulk Terminals sites elsewhere: Crestwood Crude Logistics LP (ND) · Mplx Terminals LLC - Powder Springs Ga Terminal (GA) · Mpc Alaska Terminal Co Llc- North Pole (AK)
Tesoro - Stockton Terminal stamps LIGHT volume with a dominant AIR pathway (95.1% air releases) across 11 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 8.5K lbs (2020–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Crestwood Crude Logistics LP and Mplx Terminals LLC - Powder Springs Ga Terminal.
Tesoro - Stockton Terminal vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
8.5K lbs Top 39% higher than 61% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Tesoro - Stockton Terminal in the Petroleum Bulk Terminals sector extract
Among the 695 Petroleum Bulk Terminals facilities in this database, Tesoro - Stockton Terminal reports the 207th-largest volume (8.5K lbs). Scale peers outside California include Crestwood Crude Logistics LP and Mplx Terminals LLC - Powder Springs Ga Terminal.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Tesoro - Stockton Terminal's total reported releases rose from 1.1 thousand lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
- Tesoro - Stockton Terminal's air releases rose from 1.1 thousand lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
Tesoro - Stockton Terminal Form-R facts
Compare this facility
See how Tesoro - Stockton Terminal stacks up against nearby facilities and the typical reporter.
About the same as the comparison
38% more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Tesoro - Stockton Terminal releases toxic chemicals into the environment. Total: 8.5K lbs.
Emissions Trend Summary
From 2020 to 2023, total releases decreased by 77% (5.0K lbs to 1.1K lbs).
Tesoro - Stockton Terminal: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2020–2023
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Tesoro - Stockton Terminal year-over-year reported totals (decreased by 77% from 2020 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Xylene (mixed isomers).
| Year | Total | Chemicals |
|---|---|---|
| 2020 | 5.0K lbs | 10 |
| 2021 | 1.2K lbs | 11 |
| 2022 | 1.1K lbs | 11 |
| 2023 | 1.1K lbs | 11 |
Chemical Releases
Aggregated across all reporting years (2020–2023). 5 of 11 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 3.7K lbs | - |
| Toluene | 2.1K lbs | - |
| Cyclohexane | 944 lbs | - |
| 1,2,4-Trimethylbenzene | 629 lbs | - |
| Benzene | 417 lbs | Carcinogen |
| n-Hexane | 369 lbs | - |
| Naphthalene | 196 lbs | Carcinogen |
| Ethylbenzene | 186 lbs | Carcinogen |
| Cumene | 16 lbs | Carcinogen |
| Polycyclic aromatic compounds | 0 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 0 lbs | - |
Tesoro - Stockton Terminal · AIR-pathway site
Nearest TRI Facilities to Tesoro - Stockton Terminal
Closest other reporters in California - including Pacific Ethanol Stockton LLC, Hj Baker & Bro LLC, Equilon Stockton Terminal, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Petroleum Bulk Terminals Facilities
Other Petroleum Bulk Terminals facilities with similar total release volumes (±80%), outside California - e.g. Crestwood Crude Logistics LP, Mplx Terminals LLC - Powder Springs Ga Terminal, Mpc Alaska Terminal Co Llc- North Pole.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Tesoro - Stockton Terminal on cumulative reported pounds (8.5K lbs) and distinct chemical count (11). Release-pound peers include Loving Gas Plant, Victor Equipment Co, Tarheel Marble Co Inc. Chemical-count peers include Puerto Rico Energy LLC - Bayamon Terminal, Lanco Manufacturing Corp, Buckeye Caribbean Terminals LLC (former Scyi). Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Bayamon Terminal Bayamon, PR · Petroleum Bulk Terminals 11 chemicals
- Lanco Manufacturing Corp San Lorenzo, PR · Chemicals 11 chemicals
- Buckeye Caribbean Terminals LLC (former Scyi) Yabucoa, PR · Petroleum Bulk Terminals 11 chemicals
- Limetree Bay Terminals LLC DBA Ocean Point Terminals Christiansted, VI · Petroleum Bulk Terminals 11 chemicals
Other Marathon Petroleum Corp Facilities
Same-parent TRI sites ranked by reported releases - including Blanchard Refining Co LLC, Marathon Petroleum Co LP, Marathon Mandan Refinery.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Xylene (mixed isomers), Toluene, Cyclohexane, 1,2,4-Trimethylbenzene; nearby reporters include Pacific Ethanol Stockton LLC. Tesoro - Stockton Terminal stamps LIGHT volume · AIR pathway · CARC-LEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Tesoro - Stockton Terminal TRI extract (LIGHT · AIR · CARC-LEAN · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Tesoro - Stockton Terminal totals are self-reported EPCRA §313 estimates for Stockton, CA, latest year 2023. Form-R rows span 2020–2023 (4 years). NAICS 424710 · Petroleum Bulk Terminals. 4.1% of San Joaquin TRI pounds in this extract. Nearest ABS peer: Loving Gas Plant (Δ 1 lbs). Pounds ≠ exposure.
Tesoro - Stockton Terminal stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Xylene (mixed isomers). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov