Enterprise Products Operating LLC

31 facilities · 6 states · 6.5M lbs total releases

According to the EPA Toxics Release Inventory, Enterprise Products Operating LLC is the reported parent of 31 Form R facilities across 6 states, disclosing 6.5M lbs of toxic releases. 6 of 190 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Texas (5.5M lbs). Those TRI figures remain self-reported disclosure pounds for Enterprise Products Operating LLC, including carcinogen-flagged substances, not a measured public-health risk score.

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Release-over-release change

What changed for Enterprise Products Operating LLC: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+39.4%

30 facilities that filed in 2022 and 2023

Whole inventory

+39.8%

970.0 thousand lb → 1.4 million lb, every facility that filed

Between the two reporting years, 1 facility filed for the first time and 0 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.

  • Enterprise Products Operating LLC's total reported releases rose from 970.0 thousand lb in 2022 to 1.4 million lb in 2023, based on EPA TRI filings.
  • Enterprise Products Operating LLC's land releases fell from 3.5 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
  • Enterprise Products Operating LLC's off-site transfers rose from 354.0 thousand lb in 2022 to 577.9 thousand lb in 2023, based on EPA TRI filings.
  • Enterprise Products Operating LLC's air releases rose from 612.5 thousand lb in 2022 to 774.7 thousand lb in 2023, based on EPA TRI filings.

TRI parent disclosure trail

Read Enterprise Products Operating LLC from filing to facility

Largest Form R sites under this parent: Enterprise Products Operating LLC; Chaco Gas Plant; East Storage / Splitter III Facility; Enterprise Products Operating LLC Baton Rouge Fractionator. Neighbor parents on the disclosure ladder: Targa Resources Corp; Ineos US I Inc. Largest disclosed chemicals by pounds: Diethanolamine; n-Hexane; Propylene; Ammonia; Benzene. Heaviest-reporting states in this extract: Texas; New Mexico; Louisiana. Industry labels on the parent rollup: Chemicals; Natural Gas Processing; Petroleum; Petroleum Bulk Terminals. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026

Total Releases
6.5M lbs
Facilities
31
Chemicals
190
Carcinogens
6

Largest Form R sites under this parent: Enterprise Products Operating LLC; Chaco Gas Plant; East Storage / Splitter III Facility; Enterprise Products Operating LLC Baton Rouge Fractionator. Neighbor parents on the disclosure ladder: Targa Resources Corp; Ineos US I Inc. Largest disclosed chemicals by pounds: Diethanolamine; n-Hexane; Propylene; Ammonia; Benzene. Heaviest-reporting states in this extract: Texas; New Mexico; Louisiana. Industry labels on the parent rollup: Chemicals; Natural Gas Processing; Petroleum; Petroleum Bulk Terminals.

Enterprise Products Operating LLC ranks #220 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Enterprise Products Operating LLC spans 6 states in this extract, placing it among the broader national TRI parent footprints. Releases are facility-concentrated: Enterprise Products Operating LLC accounts for most of Enterprise Products Operating LLC's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.

Parent aggregation for Enterprise Products Operating LLC follows facility-reported names. Compare the named neighbors (Targa Resources Corp; Ineos US I Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.

Where Enterprise Products Operating LLC sits among TRI parents

Enterprise Products Operating LLC sits on a disclosure ladder beside Targa Resources Corp and Ineos US I Inc. Open those parents for a different facility count, state span, and chemical mix.

Higher disclosed volume

Largest chemicals disclosed by Enterprise Products Operating LLC

Diethanolamine; n-Hexane; Propylene; Ammonia; Benzene lead the Form R pound rollup for this parent, including filings such as Enterprise Products Operating LLC. Pound totals, not toxicity-weighted risk.

Chemical Disclosed lbs
Diethanolamine 2.1M lbs
n-Hexane 1.7M lbs
Propylene 1.5M lbs
Ammonia 347.1K lbs
Benzene 250.8K lbs

Where does this company operate?

State Facilities Total Releases
Texas 20 5.5M lbs
New Mexico 3 568.6K lbs
Louisiana 5 267.8K lbs
Mississippi 1 114.9K lbs
Colorado 1 57.0K lbs
Wyoming 1 5.6K lbs

Facilities (31)

Facility Releases
Enterprise Products Operating LLC Mont Belvieu, TX 4.6M lbs
Chaco Gas Plant Bloomfield, NM 499.8K lbs
East Storage / Splitter III Facility Mont Belvieu, TX 267.7K lbs
Enterprise Products Operating LLC Baton Rouge Fractionator Port Allen, LA 233.5K lbs
Yoakum Cryogenic Plant Yoakum, TX 130.0K lbs
Enterprise Gas Processing LLC Pascagoula Gas Processing Pla Moss Point, MS 114.9K lbs
Indian Springs Gas Plant Livingston, TX 90.3K lbs
Armstrong Gas Plant Yoakum, TX 63.8K lbs
South Eddy Gas Plant Malaga, NM 60.5K lbs
Enterprise Gas Proc - Meeker Gas Plant Rifle, CO 57.0K lbs
Bulldog Gas Plant Carthage, TX 55.1K lbs
Delaware Basin Gas Plant Coyanosa, TX 49.4K lbs
Trident Gas Plant Midland, TX 44.1K lbs
Taylor-Leiker Gas Plant Midland, TX 36.4K lbs
Newberry Gas Plant Midland, TX 29.3K lbs
Thompsonville Gas Plant Mirando City, TX 27.7K lbs
Mentone Gas Plant Mentone, TX 23.1K lbs
Mont Belvieu South Rail Terminal Baytown, TX 19.9K lbs
San Martin Plant Elmendorf, TX 16.3K lbs
Enterprise Products Operating Belle Rose, LA 13.5K lbs
Shoup Gas Processing & Fractionation Plant Corpus Christi, TX 13.4K lbs
Orla Gas Plant Orla, TX 13.2K lbs
Enterprise Gas Proc Llc/norco Fractionator Norco, LA 12.9K lbs
Mont Belvieu East Pht Facility Baytown, TX 12.5K lbs
Enterprise Products - Chaparral Gas Plant Loco Hills, NM 8.3K lbs
Pioneer Cryogenic Plant Opal, WY 5.6K lbs
Panola II Gas Plant Carthage, TX 5.5K lbs
Enterprise Gas Processing LLC - Neptune Gas Plant Centerville, LA 4.5K lbs
Tebone Fractionation Plant Geismar, LA 3.4K lbs
Sonora Gas Plant Sonora, TX 2.2K lbs
Purity Isobutylene Plant Pasadena, TX 406 lbs

Frequently Asked Questions

How much pollution does Enterprise Products Operating LLC release?
Enterprise Products Operating LLC discloses 6.5M lbs across 31 facilities. On the ladder it sits near Targa Resources Corp and Ineos US I Inc. Enterprise Products Operating LLC ranks #220 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name.
How many facilities does Enterprise Products Operating LLC operate?
Enterprise Products Operating LLC maps to 31 facilities in Texas, New Mexico, Louisiana, including Enterprise Products Operating LLC; Chaco Gas Plant; East Storage / Splitter III Facility; Enterprise Products Operating LLC Baton Rouge Fractionator. Releases are facility-concentrated: Enterprise Products Operating LLC accounts for most of Enterprise Products Operating LLC's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
What industries and chemicals show up for Enterprise Products Operating LLC?
Enterprise Products Operating LLC's disclosed pounds span Chemicals; Natural Gas Processing; Petroleum; Petroleum Bulk Terminals, with Chemicals leading the parent total. Enterprise Products Operating LLC's largest disclosed chemicals by pounds are Diethanolamine, n-Hexane, Propylene, Ammonia, Benzene (carcinogen flags appear on at least one of those chemicals in the TRI extract). Neighbor parents: Targa Resources Corp; Ineos US I Inc.
Does Enterprise Products Operating LLC release carcinogens?
Yes - 6 carcinogen-flagged substances appear in the extract. Largest by pounds include Diethanolamine; n-Hexane; Propylene; Ammonia; Benzene.

Compare beyond the release ladder

Nationwide peers by disclosed pounds & facility count

Cross-portfolio TRI parents nearest Enterprise Products Operating LLC on total disclosed release pounds (6.5M lbs) and reporting facility count (31). Release-volume peers include Kraton Chemical Co LLC, Hawaiian Electric Industries Inc, American Crystal Sugar Co. Facility-count peers include Holcim Participations (us), National Oilwell Varco LP, Stella-Jones US Holding Corp. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.

About This Data

EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Texas, New Mexico, Louisiana; facility-reported names can vary across subsidiaries.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files

What to do with Enterprise Products Operating LLC's TRI parent record

From Enterprise Products Operating LLC, open Enterprise Products Operating LLC or compare against Targa Resources Corp rather than reading rank alone.

  • Open the largest Form R site for Enterprise Products Operating LLC (Enterprise Products Operating LLC in TX). Largest facility
  • Compare against Ineos US I Inc, the next-higher disclosed-volume parent. Higher-volume parent
  • Browse the full parent release ranking to see where Enterprise Products Operating LLC sits among all slug-merged TRI parents. All parent companies

Rank and peers (Targa Resources Corp, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.

Use and verify this record

Enterprise Products Operating LLC's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.

Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.

Primary sources

PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.