EPA TRI Facility · Natural Gas Processing
Opal Gas Plant
Opal, WY · Parent: The Williams Cos
- Total releases
- 213.0K lbs
- Chemicals reported
- 6
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Opal Gas Plant: how the 213.0K lbs splits
213.0K lbs across all reported pathways
- Off-site Transfers 164.6K lbs 77.3%
- Air Releases 48.4K lbs 22.7%
Opal Gas Plant's 213.0K lbs Form-R total is OFFSITE - off-site transfers is 77.3% of the bar. Next segment: air releases at 22.7%. Leading chemical by pounds: Toluene.
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.
MID volume OFFSITE pathway CARC-LEAN
Opal Gas Plant is an EPA Toxics Release Inventory reporter in Opal, WY, in the natural gas processing sector. It reported 107.3K lbs of releases across 5 chemicals in 2023, and 213.0K lbs in total across its 2022-2023 reporting years. That ranks 3,146 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Wyoming's 70 reporting TRI sites, pounds #1 is not chemical-count #1. Opal Gas Plant is pounds #17 and chemical-count #23 at 213.0K lbs. Dyno Nobel Inc-Cheyenne Plant leads reported pounds (27.1M lbs) at 8 chemicals (chemical-count #19). Hf Sinclair Parco Refining LLC leads chemical count at 36 chemicals (1.5M lbs, pounds #10). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Pioneer Cryogenic Plant; Pacificorp Naughton Plant; Blacks Fork Gas Plant; Granger Gas Plant. Similar-scale Natural Gas Processing peers outside Wyoming: Markwest Hidalgo Plant; Reveille Cryogenic Plant; Canadian Valley Gas Plant; Big Escambia Creek Gas Plant. Other The Williams Cos sites in this extract: Mid-Continent Fractionation & Storage Conway Fra; Echo Springs Gas Plant; Discovery Producer Services:larose Cryogenic Plant; Williams Mobile Bay Gas Processing Facility. Largest disclosed chemicals by pounds: Toluene; Xylene (mixed isomers); n-Hexane; Benzene.
Opal Gas Plant stamps MID volume with a dominant OFFSITE pathway (77.3% off-site transfers) across 6 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 213.0K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Markwest Hidalgo Plant and Reveille Cryogenic Plant.
Opal Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
213K lbs Top 12% higher than 88% 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
Opal Gas Plant in the Natural Gas Processing sector extract
Among the 339 Natural Gas Processing facilities in this database, Opal Gas Plant reports the 31st-largest volume, placing it in the top 9.1% of its sector. Scale peers outside Wyoming include Markwest Hidalgo Plant and Reveille Cryogenic Plant.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Opal Gas Plant's total reported releases rose from 105.6 thousand lb in 2022 to 107.3 thousand lb in 2023, based on EPA TRI filings.
- Opal Gas Plant's chemicals reported fell from 6 in 2022 to 5 in 2023, based on EPA TRI filings.
- Opal Gas Plant's air releases fell from 25.9 thousand lb in 2022 to 22.5 thousand lb in 2023, based on EPA TRI filings.
- Opal Gas Plant's off-site transfers rose from 79.8 thousand lb in 2022 to 84.9 thousand lb in 2023, based on EPA TRI filings.
Opal Gas Plant Form-R facts
Compare this facility
See how Opal Gas Plant stacks up against nearby facilities and the typical reporter.
38.0× more than the comparison
20% 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 Opal Gas Plant releases toxic chemicals into the environment. Total: 213.0K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 2% (105.6K lbs to 107.3K lbs).
Opal Gas Plant: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Opal Gas Plant year-over-year reported totals (increased by 2% 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: Toluene.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 105.6K lbs | 6 |
| 2023 | 107.3K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 2 of 6 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Toluene | 72.5K lbs | - |
| Xylene (mixed isomers) | 51.4K lbs | - |
| n-Hexane | 41.1K lbs | - |
| Benzene | 36.2K lbs | Carcinogen |
| Ethylbenzene | 11.8K lbs | Carcinogen |
| Diethanolamine | 0 lbs | - |
Opal Gas Plant · OFFSITE-pathway site
Nearest TRI Facilities to Opal Gas Plant
Closest other reporters in Wyoming - including Pioneer Cryogenic Plant, Pacificorp Naughton Plant, Blacks Fork Gas Plant, ordered by distance.
Showing 8 of 69 other reporting facilities in Wyoming.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Wyoming - e.g. Markwest Hidalgo Plant, Reveille Cryogenic Plant, Canadian Valley Gas Plant.
Compare beyond Wyoming
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Opal Gas Plant on cumulative reported pounds (213.0K lbs) and distinct chemical count (6). Release-pound peers include Berner Cheese Corp, Wayne-Dalton Corp, Stryten Salina LLC. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. 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 The Williams Cos Facilities
Same-parent TRI sites ranked by reported releases - including Mid-Continent Fractionation & Storage Conway Fra, Echo Springs Gas Plant, Discovery Producer Services:larose Cryogenic 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 Toluene, Xylene (mixed isomers), n-Hexane, Benzene; nearby reporters include Pioneer Cryogenic Plant. Opal Gas Plant stamps MID volume · OFFSITE 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 Opal Gas Plant TRI extract (MID · OFFSITE · CARC-LEAN · lead Toluene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Opal Gas Plant totals are self-reported EPCRA §313 estimates for Opal, WY, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 8.2% of Lincoln TRI pounds in this extract. Nearest ABS peer: Berner Cheese Corp (Δ 15 lbs). Pounds ≠ exposure.
Opal Gas Plant stamps MID volume · OFFSITE pathway · CARC-LEAN · lead Toluene. 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