EPA TRI Facility · Natural Gas Processing
Oahu Gas Plant
Coyanosa, TX · Parent: Targa Resources Corp
- Total releases
- 77.7K lbs
- Chemicals reported
- 8
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Oahu Gas Plant: how the 77.7K lbs splits
77.7K lbs across all reported pathways
- Off-site Transfers 73.2K lbs 94.2%
- Air Releases 4.5K lbs 5.8%
Oahu Gas Plant's 77.7K lbs Form-R total is OFFSITE - off-site transfers is 94.2% of the bar. Next segment: air releases at 5.8%. Leading chemical by pounds: Cyclohexane.
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-MID
Oahu Gas Plant is an EPA Toxics Release Inventory reporter in Coyanosa, TX, in the natural gas processing sector. It reported 73.4K lbs of releases across 6 chemicals in 2023, and 77.7K lbs in total across its 2022-2023 reporting years. That ranks 5,126 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. Oahu Gas Plant is pounds #494 and chemical-count #387 at 77.7K 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: Waha Gas Plant; Delaware Basin Gas Plant; Arrowhead Gas Plant; Comanche Plant. Similar-scale Natural Gas Processing peers outside Texas: San Juan Gas Plant; Omega Gas Plant; Dcp Midstream LP Cimarron Plant; Clearfork Processing Plant. Other Targa Resources Corp sites in this extract: Sand Hills Gas Plant; Midway Gas Plant; Eunice Gas Plant; Monument Gas Plant. Largest disclosed chemicals by pounds: Cyclohexane; Benzene; Toluene; Hydrogen sulfide.
Oahu Gas Plant stamps LIGHT volume with a dominant OFFSITE pathway (94.2% off-site transfers) across 8 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 77.7K 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 Omega Gas Plant.
Oahu Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
78K 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
Oahu Gas Plant inside Pecos's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Oahu Gas Plant reports the 64th-largest volume, placing it in the top 18.9% of its sector. This one site accounts for 55.7% of every pound reported in Pecos. Scale peers outside Texas include San Juan Gas Plant and Omega Gas Plant.
County-dominant here means ≥25% of Pecos's reported pounds (139.4K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Oahu Gas Plant's total reported releases rose from 4.3 thousand lb in 2022 to 73.4 thousand lb in 2023, based on EPA TRI filings.
- Oahu Gas Plant's off-site transfers rose from 47 lb in 2022 to 73.2 thousand lb in 2023, based on EPA TRI filings.
- Oahu Gas Plant's air releases fell from 4.2 thousand lb in 2022 to 259 lb in 2023, based on EPA TRI filings.
- Oahu Gas Plant's chemicals reported fell from 7 in 2022 to 6 in 2023, based on EPA TRI filings.
Oahu Gas Plant Form-R facts
Compare this facility
See how Oahu Gas Plant stacks up against nearby facilities and the typical reporter.
6.3× more than the comparison
60% 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 Oahu Gas Plant releases toxic chemicals into the environment. Total: 77.7K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 1610% (4.3K lbs to 73.4K lbs).
Oahu Gas Plant: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Oahu Gas Plant year-over-year reported totals (increased by 1610% 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: Cyclohexane.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 4.3K lbs | 7 |
| 2023 | 73.4K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 2 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Cyclohexane | 30.9K lbs | - |
| Benzene | 30.5K lbs | Carcinogen |
| Toluene | 9.6K lbs | - |
| Hydrogen sulfide | 4.2K lbs | - |
| n-Hexane | 2.5K lbs | - |
| Xylene (mixed isomers) | 6 lbs | - |
| Methanol | 0 lbs | - |
| Ethylbenzene | 0 lbs | Carcinogen |
Oahu Gas Plant · OFFSITE-pathway site
Nearest TRI Facilities to Oahu Gas Plant
Closest other reporters in Texas - including Waha Gas Plant, Delaware Basin Gas Plant, Arrowhead Gas Plant, 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. San Juan Gas Plant, Omega Gas Plant, Dcp Midstream LP Cimarron Plant.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Oahu Gas Plant on cumulative reported pounds (77.7K lbs) and distinct chemical count (8). Release-pound peers include Color Communications Inc, Perma Treat Corp, American Phoenix Inc. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Targa Resources Corp Facilities
Same-parent TRI sites ranked by reported releases - including Sand Hills Gas Plant, Midway Gas Plant, Eunice Gas Plant.
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 Cyclohexane, Benzene, Toluene, Hydrogen sulfide; nearby reporters include Waha Gas Plant. Oahu Gas Plant stamps LIGHT volume · OFFSITE pathway · CARC-MID 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 Oahu Gas Plant TRI extract (LIGHT · OFFSITE · CARC-MID · lead Cyclohexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Oahu Gas Plant totals are self-reported EPCRA §313 estimates for Coyanosa, TX, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 55.7% of Pecos TRI pounds in this extract. Nearest ABS peer: Color Communications Inc (Δ 18 lbs). Pounds ≠ exposure.
Oahu Gas Plant stamps LIGHT volume · OFFSITE pathway · CARC-MID · lead Cyclohexane. 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