EPA TRI Facility · Natural Gas Processing
Carter Creek Gas Plant
Evanston, WY · Parent: Hilcorp Energy Co
- Total releases
- 178.8K lbs
- Chemicals reported
- 4
- Carcinogens
- 1
- Primary pathway
- Air Releases
MIXED Form-R mix
Carter Creek Gas Plant: how the 178.8K lbs splits
178.8K lbs across all reported pathways
- Air Releases 90.2K lbs 50.4%
- Land Disposal 88.7K lbs 49.6%
Carter Creek Gas Plant's 178.8K lbs Form-R total is MIXED - air releases is 50.4% of the bar. Next segment: land disposal at 49.6%. Leading chemical by pounds: Hydrogen sulfide.
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 MIXED pathway TRACE-CARC
Carter Creek Gas Plant is an EPA Toxics Release Inventory reporter in Evanston, WY, in the natural gas processing sector. It reported 83.9K lbs of releases across 4 chemicals in 2023, and 178.8K lbs in total across its 2022-2023 reporting years. That ranks 3,450 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. Carter Creek Gas Plant is pounds #19 and chemical-count #39 at 178.8K 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: Mitsubishi Chemical Carbon Fiber & Composites; Reladyne West LLC; Silver Eagle Refining-Evanston; Pacificorp Naughton Plant. Similar-scale Natural Gas Processing peers outside Wyoming: Canadian Valley Gas Plant; Latham Gas Plant; Midkiff Gas Plant; Reveille Cryogenic Plant. Other Hilcorp Energy Co sites in this extract: San Juan Gas Plant. Largest disclosed chemicals by pounds: Hydrogen sulfide; Benzene; Diethanolamine; Ethylene glycol.
Carter Creek Gas Plant is a MID · MIXED-pathway Form-R site in Evanston, WY: 178.8K lbs across 4 chemicals (1 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment air releases at 50.4%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Canadian Valley Gas Plant and Latham Gas Plant.
Carter Creek Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
179K lbs Top 13% higher than 87% 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
Carter Creek Gas Plant inside Uinta's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Carter Creek Gas Plant reports the 33rd-largest volume, placing it in the top 9.7% of its sector. This one site accounts for 76.7% of every pound reported in Uinta. Its reported volume is concentrated rather than spread: Hydrogen sulfide alone is 99.9% of the total. Scale peers outside Wyoming include Canadian Valley Gas Plant and Latham Gas Plant.
County-dominant here means ≥25% of Uinta's reported pounds (233.2K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Carter Creek Gas Plant's total reported releases fell from 95.0 thousand lb in 2022 to 83.9 thousand lb in 2023, based on EPA TRI filings.
- Carter Creek Gas Plant's land releases fell from 54.9 thousand lb in 2022 to 33.8 thousand lb in 2023, based on EPA TRI filings.
- Carter Creek Gas Plant's air releases rose from 40.1 thousand lb in 2022 to 50.1 thousand lb in 2023, based on EPA TRI filings.
Carter Creek Gas Plant Form-R facts
Compare this facility
See how Carter Creek Gas Plant stacks up against nearby facilities and the typical reporter.
15.5× more than the comparison
2.0× 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 Carter Creek Gas Plant releases toxic chemicals into the environment. Total: 178.8K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 12% (95.0K lbs to 83.9K lbs).
Carter Creek Gas Plant: annual Form-R pounds
MID site · MIXED pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Carter Creek Gas Plant year-over-year reported totals (decreased by 12% 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: Hydrogen sulfide.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 95.0K lbs | 4 |
| 2023 | 83.9K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 1 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Hydrogen sulfide | 178.7K lbs | - |
| Benzene | 180 lbs | Carcinogen |
| Diethanolamine | 0 lbs | - |
| Ethylene glycol | 0 lbs | - |
Carter Creek Gas Plant in Uinta
Nearest TRI Facilities to Carter Creek Gas Plant
Closest other reporters in Wyoming - including Mitsubishi Chemical Carbon Fiber & Composites, Reladyne West LLC, Silver Eagle Refining-Evanston, 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. Canadian Valley Gas Plant, Latham Gas Plant, Midkiff Gas Plant.
Compare beyond Wyoming
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Carter Creek Gas Plant on cumulative reported pounds (178.8K lbs) and distinct chemical count (4). Release-pound peers include Spansion LLC, Ardagh Glass Inc, Cj Bio America. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis 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.
- Spansion LLC Austin, TX · Computers and Electronic Products 178.9K lbs reported
- Ardagh Glass Inc Bridgeton, NJ · Nonmetallic Mineral Product 178.7K lbs reported
- Cj Bio America Fort Dodge, IA · Food 179.0K lbs reported
- Eagle Manufacturing LLC Florence, KY · Transportation Equipment 178.7K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
Other Hilcorp Energy Co Facilities
Same-parent TRI sites ranked by reported releases - including San Juan 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 Hydrogen sulfide, Benzene, Diethanolamine, Ethylene glycol; nearby reporters include Mitsubishi Chemical Carbon Fiber & Composites. Carter Creek Gas Plant stamps MID volume · MIXED pathway · TRACE-CARC 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 Carter Creek Gas Plant TRI extract (MID · MIXED · TRACE-CARC · lead Hydrogen sulfide) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Carter Creek Gas Plant totals are self-reported EPCRA §313 estimates for Evanston, WY, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 76.7% of Uinta TRI pounds in this extract. Nearest ABS peer: Spansion LLC (Δ 105 lbs). Pounds ≠ exposure.
Carter Creek Gas Plant stamps MID · MIXED pathway (air releases leads at 50.4%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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