EPA TRI Facility · Petroleum
Phillips 66 Co Sweeny Refinery Complex
Old Ocean, TX · Parent: Phillips 66 Co
- Total releases
- 5.1M lbs
- Chemicals reported
- 39
- Carcinogens
- 11
- Primary pathway
- Water Discharges
WATER Form-R mix
Phillips 66 Co Sweeny Refinery Complex: how the 5.1M lbs splits
5.1M lbs across all reported pathways
- Water Discharges 3.8M lbs 72.9%
- Air Releases 1.4M lbs 26.8%
- Off-site Transfers 13.7K lbs 0.3%
- Land Disposal 0 lbs <0.1%
Phillips 66 Co Sweeny Refinery Complex's 5.1M lbs Form-R total is WATER - water discharges is 72.9% of the bar. Next segment: air releases at 26.8%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
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.
HEAVY volume WATER pathway CARC-LEAN
Phillips 66 Co Sweeny Refinery Complex is an EPA Toxics Release Inventory reporter in Old Ocean, TX, in the petroleum sector. It reported 920.9K lbs of releases across 36 chemicals in 2023, and 5.1M lbs in total across its 2019-2023 reporting years. That ranks 416 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Texas's 2,016 reporting TRI sites, pounds #1 is not chemical-count #1. Phillips 66 Co Sweeny Refinery Complex is pounds #46 and chemical-count #29 at 5.1M lbs. Ascend Performance Materials-Chocolate Bayou Plant leads reported pounds (94.0M lbs) at 36 chemicals (chemical-count #35). Veolia Es Technical Solutions LLC Port Arthur Facility leads chemical count at 246 chemicals (1.5M lbs, pounds #112). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Phillips 66 Old Ocean Ngl Fractionation Plant; Linde- Sweeny Hydrogen Plant; Chevron Phillips Chemical Co LP Sweeny Complex; Phillips 66 Co San Bernard Ter Minal. Similar-scale Petroleum peers outside Texas: Martinez Refining Co LLC; Tesoro Los Angeles Refinery-Carson Operations; Ergon Refining Inc; Exxonmobil Oil Corp Joliet Refinery. Other Phillips 66 Co sites in this extract: Phillips 66 Lake Charles Refinery; Philllips 66 Co Borger Refinery; Phillips 66 Ponca City Site; Phillips 66 Ferndale Refinery. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); n-Hexane; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Benzene.
Phillips 66 Co Sweeny Refinery Complex stamps HEAVY volume with a dominant WATER pathway (72.9% water discharges) across 39 chemicals · 11 carcinogen-classified. Cumulative Form-R extract: 5.1M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Martinez Refining Co LLC and Tesoro Los Angeles Refinery-Carson Operations.
Phillips 66 Co Sweeny Refinery Complex vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.1M lbs Top 2% higher than 98% 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
Phillips 66 Co Sweeny Refinery Complex: Nitrate compounds (water dissociable; reportable only when in aqueous solution)-led volume
Among the 902 Petroleum facilities in this database, Phillips 66 Co Sweeny Refinery Complex reports the 20th-largest volume, placing it in the top 2.2% of its sector. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 72.4% of the total. Scale peers outside Texas include Martinez Refining Co LLC and Tesoro Los Angeles Refinery-Carson Operations.
Concentrated means ≥60% of Phillips 66 Co Sweeny Refinery Complex's pounds in one chemical - here Nitrate compounds (water dissociable; reportable only when in aqueous solution) at 72.4%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Phillips 66 Co Sweeny Refinery Complex's total reported releases fell from 1.7 million lb in 2022 to 920.9 thousand lb in 2023, based on EPA TRI filings.
- Phillips 66 Co Sweeny Refinery Complex's water releases fell from 1.4 million lb in 2022 to 680.5 thousand lb in 2023, based on EPA TRI filings.
- Phillips 66 Co Sweeny Refinery Complex's off-site transfers rose from 3.5 thousand lb in 2022 to 5.1 thousand lb in 2023, based on EPA TRI filings.
- Phillips 66 Co Sweeny Refinery Complex's air releases fell from 293.4 thousand lb in 2022 to 235.3 thousand lb in 2023, based on EPA TRI filings.
Phillips 66 Co Sweeny Refinery Complex Form-R facts
Compare this facility
See how Phillips 66 Co Sweeny Refinery Complex stacks up against nearby facilities and the typical reporter.
213.9× more than the comparison
About the same as 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 Phillips 66 Co Sweeny Refinery Complex releases toxic chemicals into the environment. Total: 5.1M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 9% (1.0M lbs to 920.9K lbs).
Phillips 66 Co Sweeny Refinery Complex: annual Form-R pounds
HEAVY site · WATER pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Phillips 66 Co Sweeny Refinery Complex year-over-year reported totals (decreased by 9% from 2019 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.0M lbs | 36 |
| 2020 | 983.8K lbs | 36 |
| 2021 | 544.8K lbs | 36 |
| 2022 | 1.7M lbs | 36 |
| 2023 | 920.9K lbs | 36 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 11 of 39 chemicals are carcinogens. Sorted by total release volume.
Phillips 66 Co Sweeny Refinery Complex · WATER-pathway site
Nearest TRI Facilities to Phillips 66 Co Sweeny Refinery Complex
Closest other reporters in Texas - including Phillips 66 Old Ocean Ngl Fractionation Plant, Linde- Sweeny Hydrogen Plant, Chevron Phillips Chemical Co LP Sweeny Complex, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside Texas - e.g. Martinez Refining Co LLC, Tesoro Los Angeles Refinery-Carson Operations, Ergon Refining Inc.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Phillips 66 Co Sweeny Refinery Complex on cumulative reported pounds (5.1M lbs) and distinct chemical count (39). Release-pound peers include Materion Brush Inc, Dupont Pontchartrain Works, Scotts Co. Chemical-count peers include Phillips 66 Co-Bayway Refinery, Phillips 66 Co Billings Refinery, Coffeyville Resources Refining & Marketing. 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).
Other Phillips 66 Co Facilities
Same-parent TRI sites ranked by reported releases - including Phillips 66 Lake Charles Refinery, Philllips 66 Co Borger Refinery, Phillips 66 Ponca City Site.
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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), n-Hexane, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Benzene; nearby reporters include Phillips 66 Old Ocean Ngl Fractionation Plant. Phillips 66 Co Sweeny Refinery Complex stamps HEAVY volume · WATER 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 Phillips 66 Co Sweeny Refinery Complex TRI extract (HEAVY · WATER · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Phillips 66 Co Sweeny Refinery Complex totals are self-reported EPCRA §313 estimates for Old Ocean, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 4.1% of Brazoria TRI pounds in this extract. Nearest ABS peer: Materion Brush Inc (Δ 1.1K lbs). Pounds ≠ exposure.
Phillips 66 Co Sweeny Refinery Complex stamps HEAVY volume · WATER pathway · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). 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