EPA TRI Facility · Chemicals
Exxonmobil Baytown Chemical Plant (part)
Baytown, TX · Parent: Exxon Mobil Corp
- Total releases
- 5.1M lbs
- Chemicals reported
- 50
- Carcinogens
- 16
- Primary pathway
- Air Releases
AIR Form-R mix
Exxonmobil Baytown Chemical Plant (part): how the 5.1M lbs splits
5.1M lbs across all reported pathways
- Air Releases 4.5M lbs 88.3%
- Water Discharges 543.5K lbs 10.6%
- Off-site Transfers 58.8K lbs 1.1%
Exxonmobil Baytown Chemical Plant (part)'s 5.1M lbs Form-R total is AIR - air releases is 88.3% of the bar. Next segment: water discharges at 10.6%. Leading chemical by pounds: Propylene.
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 AIR pathway CARC-LEAN
Exxonmobil Baytown Chemical Plant (part) is an EPA Toxics Release Inventory reporter in Baytown, TX, in the chemicals sector. It reported 1.1M lbs of releases across 42 chemicals in 2023, and 5.1M lbs in total across its 2019-2023 reporting years. That ranks 415 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. Exxonmobil Baytown Chemical Plant (part) is pounds #45 and chemical-count #14 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: Eco Services Operations Corp.; Monument Chemical Baytown LLC; Exxonmobil Chemical Co Baytown Olefins Plant (part); Si Group Baytown. Similar-scale Chemicals peers outside Texas: Dupont Pontchartrain Works; Scotts Co; Methanex USA Services LLC; Vibrantz Specialty Products LLC. Other Exxon Mobil Corp sites in this extract: Exxonmobil Refining & Supply Baytown Refinery (part); Exxonmobil Baton Rouge Chemical Plant (part); Exxonmobil Baton Rouge Refinery (part); Exxonmobil Oil Corp Joliet Refinery. Largest disclosed chemicals by pounds: Propylene; Ethylene; n-Hexane; Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Exxonmobil Baytown Chemical Plant (part) stamps HEAVY volume with a dominant AIR pathway (88.3% air releases) across 50 chemicals · 16 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 Dupont Pontchartrain Works and Scotts Co.
Exxonmobil Baytown Chemical Plant (part) 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
Exxonmobil Baytown Chemical Plant (part) in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Exxonmobil Baytown Chemical Plant (part) reports the 77th-largest volume, placing it in the top 2% of its sector. Scale peers outside Texas include Dupont Pontchartrain Works and Scotts Co.
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
- Exxonmobil Baytown Chemical Plant (part)'s total reported releases fell from 1.1 million lb in 2022 to 1.1 million lb in 2023, based on EPA TRI filings.
- Exxonmobil Baytown Chemical Plant (part)'s off-site transfers fell from 11.6 thousand lb in 2022 to 6.7 thousand lb in 2023, based on EPA TRI filings.
- Exxonmobil Baytown Chemical Plant (part)'s water releases fell from 138.4 thousand lb in 2022 to 122.6 thousand lb in 2023, based on EPA TRI filings.
- Exxonmobil Baytown Chemical Plant (part)'s chemicals reported fell from 43 in 2022 to 42 in 2023, based on EPA TRI filings.
Exxonmobil Baytown Chemical Plant (part) Form-R facts
Compare this facility
See how Exxonmobil Baytown Chemical Plant (part) stacks up against nearby facilities and the typical reporter.
115.1× more than the comparison
7.1× 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 Exxonmobil Baytown Chemical Plant (part) releases toxic chemicals into the environment. Total: 5.1M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 23% (894.7K lbs to 1.1M lbs).
Exxonmobil Baytown Chemical Plant (part): annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Exxonmobil Baytown Chemical Plant (part) year-over-year reported totals (increased by 23% 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: Propylene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 894.7K lbs | 44 |
| 2020 | 1.0M lbs | 44 |
| 2021 | 993.2K lbs | 43 |
| 2022 | 1.1M lbs | 43 |
| 2023 | 1.1M lbs | 42 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 16 of 50 chemicals are carcinogens. Sorted by total release volume.
Exxonmobil Baytown Chemical Plant (part) · AIR-pathway site
Nearest TRI Facilities to Exxonmobil Baytown Chemical Plant (part)
Closest other reporters in Texas - including Eco Services Operations Corp., Monument Chemical Baytown LLC, Exxonmobil Chemical Co Baytown Olefins Plant (part), ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Texas - e.g. Dupont Pontchartrain Works, Scotts Co, Methanex USA Services LLC.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Exxonmobil Baytown Chemical Plant (part) on cumulative reported pounds (5.1M lbs) and distinct chemical count (50). Release-pound peers include Materion Brush Inc, Dupont Pontchartrain Works, Scotts Co. Chemical-count peers include Safety-Kleen Systems Inc., Chemical Waste Management - la Ke Charles Facility, Westlake Vinyls Inc. 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 Exxon Mobil Corp Facilities
Same-parent TRI sites ranked by reported releases - including Exxonmobil Refining & Supply Baytown Refinery (part), Exxonmobil Baton Rouge Chemical Plant (part), Exxonmobil Baton Rouge Refinery (part).
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 Propylene, Ethylene, n-Hexane, Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Eco Services Operations Corp.. Exxonmobil Baytown Chemical Plant (part) stamps HEAVY 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 Exxonmobil Baytown Chemical Plant (part) TRI extract (HEAVY · AIR · CARC-LEAN · lead Propylene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Exxonmobil Baytown Chemical Plant (part) totals are self-reported EPCRA §313 estimates for Baytown, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325110 · Chemicals. 2.4% of Harris TRI pounds in this extract. Nearest ABS peer: American Electric Power H.w. Pirkey Power Plant (Δ 4.9K lbs). Pounds ≠ exposure.
Exxonmobil Baytown Chemical Plant (part) stamps HEAVY volume · AIR pathway · CARC-LEAN · lead Propylene. 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