EPA TRI Facility · Chemicals
Exxonmobil Chemical Co Baytown Olefins Plant (part)
Baytown, TX · Parent: Exxon Mobil Corp
- Total releases
- 3.7M lbs
- Chemicals reported
- 47
- Carcinogens
- 15
- Primary pathway
- Air Releases
AIR Form-R mix
Exxonmobil Chemical Co Baytown Olefins Plant (part): how the 3.7M lbs splits
3.7M lbs across all reported pathways
- Air Releases 3.0M lbs 80.1%
- Water Discharges 713.0K lbs 19.3%
- Off-site Transfers 20.3K lbs 0.6%
- Land Disposal 0 lbs <0.1%
Exxonmobil Chemical Co Baytown Olefins Plant (part)'s 3.7M lbs Form-R total is AIR - air releases is 80.1% of the bar. Next segment: water discharges at 19.3%. Leading chemical by pounds: Ethylene.
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 Chemical Co Baytown Olefins Plant (part) is an EPA Toxics Release Inventory reporter in Baytown, TX, in the chemicals sector. It reported 798.2K lbs of releases across 43 chemicals in 2023, and 3.7M lbs in total across its 2019-2023 reporting years. That ranks 536 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 Chemical Co Baytown Olefins Plant (part) is pounds #61 and chemical-count #24 at 3.7M 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Si Group Baytown; Granite Inliner LLC - Baytown; Exxonmobil Refining & Supply Baytown Refinery (part); Eco Services Operations Corp.. Similar-scale Chemicals peers outside Texas: Sekisui Specialty Chemicals America LLC; Inv Camden Plant; Coffeyville Resources Nitrogen Fertilizers LLC; Honeywell International Inc-Baton Rouge Plant. 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: Ethylene; Ammonia; Propylene; Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Exxonmobil Chemical Co Baytown Olefins Plant (part) stamps HEAVY volume with a dominant AIR pathway (80.1% air releases) across 47 chemicals · 15 carcinogen-classified. Cumulative Form-R extract: 3.7M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Sekisui Specialty Chemicals America LLC and Inv Camden Plant.
Exxonmobil Chemical Co Baytown Olefins Plant (part) vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.7M 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 Chemical Co Baytown Olefins Plant (part) in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Exxonmobil Chemical Co Baytown Olefins Plant (part) reports the 98th-largest volume, placing it in the top 2.5% of its sector. Scale peers outside Texas include Sekisui Specialty Chemicals America LLC and Inv Camden Plant.
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 Chemical Co Baytown Olefins Plant (part)'s total reported releases rose from 773.2 thousand lb in 2022 to 798.2 thousand lb in 2023, based on EPA TRI filings.
- Exxonmobil Chemical Co Baytown Olefins Plant (part)'s off-site transfers fell from 6.4 thousand lb in 2022 to 5.7 thousand lb in 2023, based on EPA TRI filings.
- Exxonmobil Chemical Co Baytown Olefins Plant (part)'s water releases fell from 205.7 thousand lb in 2022 to 189.5 thousand lb in 2023, based on EPA TRI filings.
- Exxonmobil Chemical Co Baytown Olefins Plant (part)'s air releases rose from 561.1 thousand lb in 2022 to 603.0 thousand lb in 2023, based on EPA TRI filings.
Exxonmobil Chemical Co Baytown Olefins Plant (part) Form-R facts
Compare this facility
See how Exxonmobil Chemical Co Baytown Olefins Plant (part) stacks up against nearby facilities and the typical reporter.
150.6× more than the comparison
7.8× 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 Chemical Co Baytown Olefins Plant (part) releases toxic chemicals into the environment. Total: 3.7M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 18% (674.9K lbs to 798.2K lbs).
Exxonmobil Chemical Co Baytown Olefins Plant (part): annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Exxonmobil Chemical Co Baytown Olefins Plant (part) year-over-year reported totals (increased by 18% 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: Ethylene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 674.9K lbs | 43 |
| 2020 | 587.2K lbs | 43 |
| 2021 | 853.5K lbs | 41 |
| 2022 | 773.2K lbs | 44 |
| 2023 | 798.2K lbs | 43 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 15 of 47 chemicals are carcinogens. Sorted by total release volume.
Exxonmobil Chemical Co Baytown Olefins Plant (part) · AIR-pathway site
Nearest TRI Facilities to Exxonmobil Chemical Co Baytown Olefins Plant (part)
Closest other reporters in Texas - including Si Group Baytown, Granite Inliner LLC - Baytown, Exxonmobil Refining & Supply Baytown Refinery (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. Sekisui Specialty Chemicals America LLC, Inv Camden Plant, Coffeyville Resources Nitrogen Fertilizers LLC.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Exxonmobil Chemical Co Baytown Olefins Plant (part) on cumulative reported pounds (3.7M lbs) and distinct chemical count (47). Release-pound peers include Scherer Steam Electric Generating Plant, Novelis Alr Aluminum LLC - Novelis Davenport Casting, McWane Ductile Ohio. Chemical-count peers include Continental Cement Co LLC, Chevron Products Co Pascagoula Refinery, Flint Hills Resources Pine Bend LLC. 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.
- Scherer Steam Electric Generating Plant Juliette, GA · Electric Utilities 3.7M lbs reported
- Novelis Alr Aluminum LLC - Novelis Davenport Casting Davenport, IA · Primary Metals 3.7M lbs reported
- McWane Ductile Ohio Coshocton, OH · Primary Metals 3.7M lbs reported
- Georgia-Pacific Crossett Paper Operations Crossett, AR · Paper 3.7M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Continental Cement Co LLC Hannibal, MO · Nonmetallic Mineral Product 47 chemicals
- Chevron Products Co Pascagoula Refinery Pascagoula, MS · Petroleum 46 chemicals
- Flint Hills Resources Pine Bend LLC Rosemount, MN · Petroleum 48 chemicals
- Chevron Products Co Richmond Refinery Richmond, CA · Petroleum 46 chemicals
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 Ethylene, Ammonia, Propylene, Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Si Group Baytown. Exxonmobil Chemical Co Baytown Olefins 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 Chemical Co Baytown Olefins Plant (part) TRI extract (HEAVY · AIR · CARC-LEAN · lead Ethylene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Exxonmobil Chemical Co Baytown Olefins 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. 1.7% of Harris TRI pounds in this extract. Nearest ABS peer: Scherer Steam Electric Generating Plant (Δ 3.9K lbs). Pounds ≠ exposure.
Exxonmobil Chemical Co Baytown Olefins Plant (part) stamps HEAVY volume · AIR pathway · CARC-LEAN · lead Ethylene. 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