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Chemicals facility

Exxonmobil Baytown Chemical Plant (Part)

5000 Bayway Dr, Baytown, TX 77520

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Details come from public records and may be out of date. Call ahead to confirm. Not an endorsement.

Released in 2024
969,742 lbs
960,524 lbs on site
Into the air
870,970 lbs
Chemicals
41
13 known or suspected carcinogens
Industry
Chemicals

Exxonmobil Baytown Chemical Plant (Part) is a chemicals facility in Baytown (Harris County), TX. It reported 969,742 lbs of toxic chemical releases to EPA's Toxics Release Inventory for 2024, including 870,970 lbs into the air. The largest release was propylene (229,000 lbs).

Location

Full map

Where the releases go

Reported for 2024, in pounds

  • Air870,970 lbs
  • Water89,554 lbs
  • Land (on site)0 lbs
  • Sent off site for disposal9,218 lbs

Total production-related waste managed, including recycling and treatment: 17.9 million lbs.

Total releases by year

Total reported releases by year
1.0M
993K
1.1M
1.1M
970K

Chemicals reported

41 chemicals, largest releases first

ChemicalTotal releasedTo airTo water
Propylene229,000 lbs229,000 lbs0 lbs
Ethylene164,000 lbs164,000 lbs0 lbs
Chloromethane153,403 lbs153,400 lbs3 lbs
n-Hexane116,000 lbs116,000 lbs0 lbs
Nitrate compounds (water dissociable; reportable only when in aqueous solution)77,064 lbs0 lbs77,064 lbs
Xylene (mixed isomers)61,519 lbs59,000 lbs1,303 lbs
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)61,009 lbs61,009 lbs0 lbs
Toluene31,003 lbs23,000 lbs733 lbs
BenzeneCarcinogen21,398 lbs21,300 lbs79 lbs
tert-Butyl alcohol18,770 lbs18,770 lbs0 lbs
Ammonia8,444 lbs2,530 lbs5,914 lbs
Cyclohexane6,656 lbs6,600 lbs56 lbs
EthylbenzeneCarcinogen6,292 lbs5,600 lbs63 lbs
IsopreneCarcinogen4,726 lbs4,661 lbs65 lbs
Methanol4,068 lbs68 lbs4,000 lbs
1,3-ButadieneCarcinogen2,090 lbs2,090 lbs0 lbs
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)1,200 lbs1,200 lbs0 lbs
CumeneCarcinogen1,112 lbs1,101 lbs11 lbs
FormaldehydeCarcinogen750 lbs750 lbs0 lbs
Hydrogen sulfide397 lbs320 lbs0 lbs

PBT: persistent, bioaccumulative and toxic. Reported releases are legal under permits in most cases; they show where chemicals go, not that a law was broken.

Facility details

Industry
Chemicals
Parent company
Exxon Mobil Corp
NAICS code
325110
County
Harris
TRI facility ID
77522XXNCH5000B
Compliance record
EPA ECHO report (permits, inspections, violations)
TRI report
Form R details at EPA

Superfund sites nearby

Within 5 miles, closest first

Hazard risk, flood insurance and storm history for Harris County

Location

5000 Bayway Dr, Baytown, TX 77520

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Other toxic release facilities nearby

Closest first, straight-line distance

All in Baytown

Frequently asked questions

How much pollution does Exxonmobil Baytown Chemical Plant (Part) release?
Exxonmobil Baytown Chemical Plant (Part) reported 969,742 lbs of releases for 2024: 870,970 lbs to air, 89,554 lbs to water, 0 lbs to land on site and 9,218 lbs sent off site for disposal.
What chemicals does Exxonmobil Baytown Chemical Plant (Part) release?
The largest reported releases were propylene (229,000 lbs), ethylene (164,000 lbs), chloromethane (153,403 lbs).
Where is Exxonmobil Baytown Chemical Plant (Part) located?
Exxonmobil Baytown Chemical Plant (Part) is at 5000 Bayway Dr, Baytown, TX, 77520.

Source: U.S. Environmental Protection Agency · Last updated 10/25/2026 · Information can change. Call ahead to confirm.