EPA TRI Facility · Natural Gas Processing
Mont Belvieu Fractionator
Mont Belvieu, TX · Parent: Oneok Inc.
- Total releases
- 3.3K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Mont Belvieu Fractionator: how the 3.3K lbs splits
3.3K lbs across all reported pathways
- Off-site Transfers 3.0K lbs 93.0%
- Air Releases 227 lbs 7.0%
Mont Belvieu Fractionator's 3.3K lbs Form-R total is OFFSITE - off-site transfers is 93.0% of the bar. Next segment: air releases at 7.0%. Leading chemical by pounds: Benzene.
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.
LIGHT volume OFFSITE pathway CARC-HEAVY
Mont Belvieu Fractionator is an EPA Toxics Release Inventory reporter in Mont Belvieu, TX, in the natural gas processing sector. It reported 3.3K lbs of releases across 3 chemicals in 2023. That ranks 11,974 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. Mont Belvieu Fractionator is pounds #1153 and chemical-count #1035 at 3.3K 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). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Mb Frac I II & III; Enterprise Products Operating LLC; Chemicals Inc; Mb Frac Vi&viii. Similar-scale Natural Gas Processing peers outside Texas: Etc Northeast Pipeline LLC Revolution Cryogenic Plant; Roadrunner Gas Plant; Tebone Fractionation Plant; Bear Den Gas Plant. Other Oneok Inc. sites in this extract: Oneok Hydrocarbon L.P. - Mont Belvieu Ngl Fractionation (mb; Stateline Complex. Largest disclosed chemicals by pounds: Benzene; n-Hexane; Cyclohexane.
Compare Mont Belvieu Fractionator with
Nearest reporters in Texas
- Mb Frac I II & III Baytown · 51.8K lbs
- Enterprise Products Operating LLC Mont Belvieu · 4.6M lbs
- Chemicals Inc Baytown · 260 lbs
- Mb Frac Vi&viii Dayton · 5.9K lbs
Similar-scale Natural Gas Processing sites elsewhere: Etc Northeast Pipeline LLC Revolution Cryogenic Plant (PA) · Roadrunner Gas Plant (NM) · Tebone Fractionation Plant (LA)
Mont Belvieu Fractionator stamps LIGHT volume with a dominant OFFSITE pathway (93.0% off-site transfers) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 3.3K lbs (2023–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Etc Northeast Pipeline LLC Revolution Cryogenic Plant and Roadrunner Gas Plant.
Mont Belvieu Fractionator vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.3K lbs Top 46% higher than 54% 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
Mont Belvieu Fractionator: Benzene-led volume
Among the 339 Natural Gas Processing facilities in this database, Mont Belvieu Fractionator reports the 289th-largest volume (3.3K lbs). Its reported volume is concentrated rather than spread: Benzene alone is 89.3% of the total. Carcinogen-classified chemicals make up 89.3% of the reported pounds, not just of the chemical count. Scale peers outside Texas include Etc Northeast Pipeline LLC Revolution Cryogenic Plant and Roadrunner Gas Plant.
Concentrated means ≥60% of Mont Belvieu Fractionator's pounds in one chemical - here Benzene at 89.3%. Not a toxicity score.
Mont Belvieu Fractionator Form-R facts
Compare this facility
See how Mont Belvieu Fractionator stacks up against nearby facilities and the typical reporter.
94% less than the comparison
25% less 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 Mont Belvieu Fractionator releases toxic chemicals into the environment. Total: 3.3K lbs.
Chemical Releases
Aggregated across all reporting years (2023–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Benzene | 2.9K lbs | Carcinogen |
| n-Hexane | 190 lbs | - |
| Cyclohexane | 159 lbs | - |
Mont Belvieu Fractionator · OFFSITE-pathway site
Nearest TRI Facilities to Mont Belvieu Fractionator
Closest other reporters in Texas - including Mb Frac I II & III, Enterprise Products Operating LLC, Chemicals Inc, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Texas - e.g. Etc Northeast Pipeline LLC Revolution Cryogenic Plant, Roadrunner Gas Plant, Tebone Fractionation Plant.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mont Belvieu Fractionator on cumulative reported pounds (3.3K lbs) and distinct chemical count (3). Release-pound peers include Svc Manufacturing Inc, Covalence Coated Products, Univar Solutions-Phoenix Px. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International 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.
- Svc Manufacturing Inc Tolleson, AZ · Beverages 3.3K lbs reported
- Covalence Coated Products Columbus, GA · Plastics and Rubber 3.3K lbs reported
- Univar Solutions-Phoenix Px Phoenix, AZ · Chemical Wholesalers 3.3K lbs reported
- Omnimax International LLC Lancaster, PA · Fabricated Metals 3.3K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Oneok Inc. Facilities
Same-parent TRI sites ranked by reported releases - including Oneok Hydrocarbon L.P. - Mont Belvieu Ngl Fractionation (mb, Stateline Complex.
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 Benzene, n-Hexane, Cyclohexane; nearby reporters include Mb Frac I II & III. Mont Belvieu Fractionator stamps LIGHT volume · OFFSITE pathway · CARC-HEAVY 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 Mont Belvieu Fractionator TRI extract (LIGHT · OFFSITE · CARC-HEAVY · lead Benzene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mont Belvieu Fractionator totals are self-reported EPCRA §313 estimates for Mont Belvieu, TX, latest year 2023. NAICS 211130 · Natural Gas Processing. 0.0% of Chambers TRI pounds in this extract. Nearest ABS peer: Svc Manufacturing Inc (Δ 3 lbs). Pounds ≠ exposure.
Mont Belvieu Fractionator stamps LIGHT volume · OFFSITE pathway · CARC-HEAVY · lead Benzene. 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