EPA TRI Facility · Natural Gas Processing
Ironhorse Complex
Vernal, UT · Parent: Marathon Petroleum Corp
- Total releases
- 9.9K lbs
- Chemicals reported
- 11
- Carcinogens
- 4
- Primary pathway
- Air Releases
AIR Form-R mix
Ironhorse Complex: how the 9.9K lbs splits
9.9K lbs across all reported pathways
- Air Releases 9.9K lbs 100.0%
Ironhorse Complex's 9.9K 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
Ironhorse Complex is an EPA Toxics Release Inventory reporter in Vernal, UT, in the natural gas processing sector. It reported 2.1K lbs of releases across 7 chemicals in 2023, and 9.9K lbs in total across its 2022-2023 reporting years. That ranks 9,848 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Utah's 220 reporting TRI sites, pounds #1 is not chemical-count #1. Ironhorse Complex is pounds #90 and chemical-count #18 at 9.9K lbs. Kennecott Utah Copper Mine Concentrators & Power Plant leads reported pounds (781.4M lbs) at 34 chemicals (chemical-count #4). Clean Harbors Aragonite LLC leads chemical count at 193 chemicals (13.3M lbs, pounds #6). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Chipeta Gas Plant; Brenntag Pacific Inc; Reladyne West LLC; Championx-Vernal 0408. Similar-scale Natural Gas Processing peers outside Utah: Utica East Ohio Midstream LLC Kensington Processing Plant; Norse Gas Plant; Bearkat Cryogenic Plant; Red Bluff Gas 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; Toluene; Xylene (mixed isomers); Benzene.
Ironhorse Complex stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 11 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 9.9K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Utica East Ohio Midstream LLC Kensington Processing Plant and Norse Gas Plant.
Ironhorse Complex vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
9.9K lbs Top 38% higher than 62% 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
Ironhorse Complex in the Natural Gas Processing sector extract
Among the 339 Natural Gas Processing facilities in this database, Ironhorse Complex reports the 231st-largest volume (9.9K lbs). Scale peers outside Utah include Utica East Ohio Midstream LLC Kensington Processing Plant and Norse Gas 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
- Ironhorse Complex's total reported releases fell from 7.8 thousand lb in 2022 to 2.1 thousand lb in 2023, based on EPA TRI filings.
- Ironhorse Complex's air releases fell from 7.8 thousand lb in 2022 to 2.1 thousand lb in 2023, based on EPA TRI filings.
- Ironhorse Complex's chemicals reported fell from 11 in 2022 to 7 in 2023, based on EPA TRI filings.
Ironhorse Complex Form-R facts
Compare this facility
See how Ironhorse Complex stacks up against nearby facilities and the typical reporter.
89% less than the comparison
83% 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 Ironhorse Complex releases toxic chemicals into the environment. Total: 9.9K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 73% (7.8K lbs to 2.1K lbs).
Ironhorse Complex: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Ironhorse Complex year-over-year reported totals (decreased by 73% 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 | 7.8K lbs | 11 |
| 2023 | 2.1K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 4 of 11 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 5.1K lbs | - |
| Toluene | 2.2K lbs | - |
| Xylene (mixed isomers) | 1.6K lbs | - |
| Benzene | 692 lbs | Carcinogen |
| Ethylbenzene | 268 lbs | Carcinogen |
| Methanol | 55 lbs | - |
| Ethylene glycol | 0 lbs | - |
| Cyclohexane | 0 lbs | - |
| Naphthalene | 0 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 0 lbs | - |
| Cumene | 0 lbs | Carcinogen |
Ironhorse Complex · AIR-pathway site
Nearest TRI Facilities to Ironhorse Complex
Closest other reporters in Utah - including Chipeta Gas Plant, Brenntag Pacific Inc, Reladyne West LLC, ordered by distance.
Showing 8 of 219 other reporting facilities in Utah.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Utah - e.g. Utica East Ohio Midstream LLC Kensington Processing Plant, Norse Gas Plant, Bearkat Cryogenic Plant.
Compare beyond Utah
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Ironhorse Complex on cumulative reported pounds (9.9K lbs) and distinct chemical count (11). Release-pound peers include Iwg Nest Inc- Boonville, Kerr Dental Materials Center, O&k American Corp.. Chemical-count peers include Puerto Rico Energy LLC - Bayamon Terminal, Lanco Manufacturing Corp, Buckeye Caribbean Terminals LLC (former Scyi). 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.
- Iwg Nest Inc- Boonville Boonville, NY · Primary Metals 9.9K lbs reported
- Kerr Dental Materials Center Orange, CA · Miscellaneous Manufacturing 9.9K lbs reported
- O&k American Corp. Chicago, IL · Primary Metals 9.9K lbs reported
- Conn-Selmer Inc Fka United Musical Instruments Eastlake, OH · Miscellaneous Manufacturing 9.9K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Bayamon Terminal Bayamon, PR · Petroleum Bulk Terminals 11 chemicals
- Lanco Manufacturing Corp San Lorenzo, PR · Chemicals 11 chemicals
- Buckeye Caribbean Terminals LLC (former Scyi) Yabucoa, PR · Petroleum Bulk Terminals 11 chemicals
- Limetree Bay Terminals LLC DBA Ocean Point Terminals Christiansted, VI · Petroleum Bulk Terminals 11 chemicals
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, Toluene, Xylene (mixed isomers), Benzene; nearby reporters include Chipeta Gas Plant. Ironhorse Complex 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 Ironhorse Complex TRI extract (LIGHT · AIR · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Ironhorse Complex totals are self-reported EPCRA §313 estimates for Vernal, UT, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 0.2% of Uintah TRI pounds in this extract. Nearest ABS peer: Iwg Nest Inc- Boonville (Δ 5 lbs). Pounds ≠ exposure.
Ironhorse Complex 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