EPA TRI Facility · Natural Gas Processing
Western Gas Resources Hilight Gas Plant
Gillette, WY · Parent: Western Midstream Partners LP
- Total releases
- 993.2K lbs
- Chemicals reported
- 7
- Carcinogens
- 3
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Western Gas Resources Hilight Gas Plant: how the 993.2K lbs splits
993.2K lbs across all reported pathways
- Off-site Transfers 957.2K lbs 96.4%
- Air Releases 36.0K lbs 3.6%
Western Gas Resources Hilight Gas Plant's 993.2K lbs Form-R total is OFFSITE - off-site transfers is 96.4% of the bar. Next segment: air releases at 3.6%. Leading chemical by pounds: Methanol.
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
Western Gas Resources Hilight Gas Plant is an EPA Toxics Release Inventory reporter in Gillette, WY, in the natural gas processing sector. It reported 366.5K lbs of releases across 7 chemicals in 2023, and 993.2K lbs in total across its 2022-2023 reporting years. That ranks 1,306 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. Western Gas Resources Hilight Gas Plant is pounds #14 and chemical-count #20 at 993.2K 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Nelson Brothers Mining Services LLC; Pecan Pipeline (wyoming) Jewell Gas Plant; Joy Global Gillette Wy; 50 Buttes. Similar-scale Natural Gas Processing peers outside Wyoming: Wildcat Gas Plant; Red Hills Gas Plant; Targa Mont Belvieu Complex; Chaco Gas Plant. Other Western Midstream Partners LP sites in this extract: Steamboat Processing Facility; Latham Gas Plant; 50 Buttes; Ramsey Gas Plant. Largest disclosed chemicals by pounds: Methanol; Benzene; Toluene; Xylene (mixed isomers).
Western Gas Resources Hilight Gas Plant stamps MID volume with a dominant OFFSITE pathway (96.4% off-site transfers) across 7 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 993.2K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Wildcat Gas Plant and Red Hills Gas Plant.
Western Gas Resources Hilight Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
993K lbs Top 5% higher than 95% 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
Western Gas Resources Hilight Gas Plant: Methanol-led volume
Among the 339 Natural Gas Processing facilities in this database, Western Gas Resources Hilight Gas Plant reports the 16th-largest volume, placing it in the top 4.7% of its sector. Its reported volume is concentrated rather than spread: Methanol alone is 75.3% of the total. Scale peers outside Wyoming include Wildcat Gas Plant and Red Hills Gas Plant.
Concentrated means ≥60% of Western Gas Resources Hilight Gas Plant's pounds in one chemical - here Methanol at 75.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Western Gas Resources Hilight Gas Plant's total reported releases fell from 626.6 thousand lb in 2022 to 366.5 thousand lb in 2023, based on EPA TRI filings.
- Western Gas Resources Hilight Gas Plant's air releases rose from 5.5 thousand lb in 2022 to 30.5 thousand lb in 2023, based on EPA TRI filings.
- Western Gas Resources Hilight Gas Plant's off-site transfers fell from 621.2 thousand lb in 2022 to 336.0 thousand lb in 2023, based on EPA TRI filings.
- Western Gas Resources Hilight Gas Plant's chemicals reported rose from 6 in 2022 to 7 in 2023, based on EPA TRI filings.
Western Gas Resources Hilight Gas Plant Form-R facts
Compare this facility
See how Western Gas Resources Hilight Gas Plant stacks up against nearby facilities and the typical reporter.
2379.4× more than the comparison
3.5× 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 Western Gas Resources Hilight Gas Plant releases toxic chemicals into the environment. Total: 993.2K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 42% (626.6K lbs to 366.5K lbs).
Western Gas Resources Hilight Gas Plant: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2022–2023
- 2022
- 2023 0
What this shows Western Gas Resources Hilight Gas Plant year-over-year reported totals (decreased by 42% 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: Methanol.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 626.6K lbs | 6 |
| 2023 | 366.5K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 3 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Methanol | 747.7K lbs | - |
| Benzene | 56.8K lbs | Carcinogen |
| Toluene | 54.6K lbs | - |
| Xylene (mixed isomers) | 53.6K lbs | - |
| Ethylbenzene | 53.2K lbs | Carcinogen |
| Formaldehyde | 21.7K lbs | Carcinogen |
| n-Hexane | 5.4K lbs | - |
Western Gas Resources Hilight Gas Plant · OFFSITE-pathway site
Nearest TRI Facilities to Western Gas Resources Hilight Gas Plant
Closest other reporters in Wyoming - including Nelson Brothers Mining Services LLC, Pecan Pipeline (wyoming) Jewell Gas Plant, Joy Global Gillette Wy, 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. Wildcat Gas Plant, Red Hills Gas Plant, Targa Mont Belvieu Complex.
Compare beyond Wyoming
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Western Gas Resources Hilight Gas Plant on cumulative reported pounds (993.2K lbs) and distinct chemical count (7). Release-pound peers include Altivia Institute Facilities, Doosan Turbomachinery Services, Red Star Yeast Co LLC. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. 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 Western Midstream Partners LP Facilities
Same-parent TRI sites ranked by reported releases - including Steamboat Processing Facility, Latham Gas Plant, 50 Buttes.
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 Methanol, Benzene, Toluene, Xylene (mixed isomers); nearby reporters include Nelson Brothers Mining Services LLC. Western Gas Resources Hilight 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 Western Gas Resources Hilight Gas Plant TRI extract (MID · OFFSITE · CARC-LEAN · lead Methanol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Western Gas Resources Hilight Gas Plant totals are self-reported EPCRA §313 estimates for Gillette, WY, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 5.2% of Campbell TRI pounds in this extract. Nearest ABS peer: Altivia Institute Facilities (Δ 598 lbs). Pounds ≠ exposure.
Western Gas Resources Hilight Gas Plant stamps MID volume · OFFSITE pathway · CARC-LEAN · lead Methanol. 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