EPA TRI Facility · Natural Gas Processing
Omega Gas Plant
Okarche, OK · Parent: Marathon Petroleum Corp
- Total releases
- 71.6K lbs
- Chemicals reported
- 10
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
Omega Gas Plant: how the 71.6K lbs splits
71.6K lbs across all reported pathways
- Air Releases 71.6K lbs 100.0%
Omega Gas Plant's 71.6K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: n-Hexane.
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 AIR pathway CARC-LEAN
Omega Gas Plant is an EPA Toxics Release Inventory reporter in Okarche, OK, in the natural gas processing sector. It reported 13.0K lbs of releases across 6 chemicals in 2023, and 71.6K lbs in total across its 2022-2023 reporting years. That ranks 5,320 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Omega Gas Plant is pounds #87 and chemical-count #35 at 71.6K lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Calumet Gas Processing Plant; Nortek Air Solutions; Dcp Midstream Lp/okarche Plant; Canadian Valley Gas Plant. Similar-scale Natural Gas Processing peers outside Oklahoma: San Juan Gas Plant; Eog Resources Inc Shiner Hub; Goliad Gas Plant; Clearfork Processing Plant. Other Marathon Petroleum Corp sites in this extract: Blanchard Refining Co LLC; Marathon Petroleum Co LP; Marathon Mandan Refinery; Catlettsburg Refining LLC. Largest disclosed chemicals by pounds: n-Hexane; Benzene; 1,3-Butadiene; Toluene.
Omega Gas Plant stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 10 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 71.6K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include San Juan Gas Plant and Eog Resources Inc Shiner Hub.
Omega Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
72K lbs Top 20% higher than 80% 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
Omega Gas Plant inside Kingfisher's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Omega Gas Plant reports the 70th-largest volume, placing it in the top 20.6% of its sector. This one site accounts for 56.0% of every pound reported in Kingfisher. Its reported volume is concentrated rather than spread: n-Hexane alone is 97.9% of the total. Scale peers outside Oklahoma include San Juan Gas Plant and Eog Resources Inc Shiner Hub.
County-dominant here means ≥25% of Kingfisher's reported pounds (127.9K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Omega Gas Plant's total reported releases fell from 58.6 thousand lb in 2022 to 13.0 thousand lb in 2023, based on EPA TRI filings.
- Omega Gas Plant's air releases fell from 58.6 thousand lb in 2022 to 13.0 thousand lb in 2023, based on EPA TRI filings.
- Omega Gas Plant's chemicals reported fell from 10 in 2022 to 6 in 2023, based on EPA TRI filings.
Omega Gas Plant Form-R facts
Compare this facility
See how Omega Gas Plant stacks up against nearby facilities and the typical reporter.
3.0× more than the comparison
About the same as 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 Omega Gas Plant releases toxic chemicals into the environment. Total: 71.6K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 78% (58.6K lbs to 13.0K lbs).
Omega Gas Plant: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Omega Gas Plant year-over-year reported totals (decreased by 78% from 2022 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: n-Hexane.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 58.6K lbs | 10 |
| 2023 | 13.0K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 5 of 10 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 70.1K lbs | - |
| Benzene | 1.1K lbs | Carcinogen |
| 1,3-Butadiene | 446 lbs | Carcinogen |
| Toluene | 12 lbs | - |
| Cyclohexane | 0 lbs | - |
| Xylene (mixed isomers) | 0 lbs | - |
| Ethylbenzene | 0 lbs | Carcinogen |
| Naphthalene | 0 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 0 lbs | - |
| Cumene | 0 lbs | Carcinogen |
Omega Gas Plant · AIR-pathway site
Nearest TRI Facilities to Omega Gas Plant
Closest other reporters in Oklahoma - including Calumet Gas Processing Plant, Nortek Air Solutions, Dcp Midstream Lp/okarche Plant, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Oklahoma - e.g. San Juan Gas Plant, Eog Resources Inc Shiner Hub, Goliad Gas Plant.
Compare beyond Oklahoma
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Omega Gas Plant on cumulative reported pounds (71.6K lbs) and distinct chemical count (10). Release-pound peers include Acadian Contractors Inc, Rea Magnet Wire Co, Lyondellbasell Advanced Polymers Inc.. Chemical-count peers include Harris Paints Corp., Saint Thomas Bulk Terminal, Total Guaynabo Bulk Terminal. 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 Marathon Petroleum Corp Facilities
Same-parent TRI sites ranked by reported releases - including Blanchard Refining Co LLC, Marathon Petroleum Co LP, Marathon Mandan Refinery.
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 n-Hexane, Benzene, 1,3-Butadiene, Toluene; nearby reporters include Calumet Gas Processing Plant. Omega Gas Plant stamps LIGHT 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 Omega Gas Plant TRI extract (LIGHT · AIR · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Omega Gas Plant totals are self-reported EPCRA §313 estimates for Okarche, OK, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 56.0% of Kingfisher TRI pounds in this extract. Nearest ABS peer: Acadian Contractors Inc (Δ 11 lbs). Pounds ≠ exposure.
Omega Gas Plant stamps LIGHT volume · AIR pathway · CARC-LEAN · lead n-Hexane. 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