EPA TRI Facility · Petroleum Bulk Terminals
Mplx Terminals LLC - Mt Vernon LP Terminal
Mount Vernon, IN · Parent: Marathon Petroleum Corp
- Total releases
- 14.0K lbs
- Chemicals reported
- 12
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
Mplx Terminals LLC - Mt Vernon LP Terminal: how the 14.0K lbs splits
14.0K lbs across all reported pathways
- Air Releases 13.8K lbs 98.3%
- Off-site Transfers 236 lbs 1.7%
- Water Discharges 3 lbs <0.1%
Mplx Terminals LLC - Mt Vernon LP Terminal's 14.0K lbs Form-R total is AIR - air releases is 98.3% of the bar. Next segment: off-site transfers at 1.7%. 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
Mplx Terminals LLC - Mt Vernon LP Terminal is an EPA Toxics Release Inventory reporter in Mount Vernon, IN, in the petroleum bulk terminals sector. It reported 2.6K lbs of releases across 12 chemicals in 2023, and 14.0K lbs in total across its 2019-2023 reporting years. That ranks 9,040 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Indiana's 871 reporting TRI sites, pounds #1 is not chemical-count #1. Mplx Terminals LLC - Mt Vernon LP Terminal is pounds #419 and chemical-count #51 at 14.0K lbs. Uss Gary Works leads reported pounds (77.4M lbs) at 36 chemicals (chemical-count #9). Tradebe Treatment & Recycling LLC leads chemical count at 98 chemicals (11.9M lbs, pounds #12). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Sabic Innovative Plastics Mt. Vernon LLC; Bwxt Nuclear Operations Group; Building Materials Manufacturing LLC; Valero Renewable Fuels-Mount Vernon. Similar-scale Petroleum Bulk Terminals peers outside Indiana: Par Montana Spokane Terminal; Gresham Petroleum Co; Blanchard Terminal Co - Nashville 51 Ave Tn Terminal; Aloha Petroleum Barbers Point Terminal. 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; Benzene; Xylene (mixed isomers).
Mplx Terminals LLC - Mt Vernon LP Terminal stamps LIGHT volume with a dominant AIR pathway (98.3% air releases) across 12 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 14.0K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Par Montana Spokane Terminal and Gresham Petroleum Co.
Mplx Terminals LLC - Mt Vernon LP Terminal vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
14K lbs Top 35% higher than 65% 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
Mplx Terminals LLC - Mt Vernon LP Terminal in the Petroleum Bulk Terminals sector extract
Among the 695 Petroleum Bulk Terminals facilities in this database, Mplx Terminals LLC - Mt Vernon LP Terminal reports the 135th-largest volume, placing it in the top 19.4% of its sector. Scale peers outside Indiana include Par Montana Spokane Terminal and Gresham Petroleum Co.
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
- Mplx Terminals LLC - Mt Vernon LP Terminal's total reported releases fell from 3.6 thousand lb in 2022 to 2.6 thousand lb in 2023, based on EPA TRI filings.
- Mplx Terminals LLC - Mt Vernon LP Terminal's off-site transfers fell from 163 lb in 2022 to 67 lb in 2023, based on EPA TRI filings.
- Mplx Terminals LLC - Mt Vernon LP Terminal's air releases fell from 3.5 thousand lb in 2022 to 2.5 thousand lb in 2023, based on EPA TRI filings.
Mplx Terminals LLC - Mt Vernon LP Terminal Form-R facts
Compare this facility
See how Mplx Terminals LLC - Mt Vernon LP Terminal stacks up against nearby facilities and the typical reporter.
100% less than the comparison
72% less 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 Mplx Terminals LLC - Mt Vernon LP Terminal releases toxic chemicals into the environment. Total: 14.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 7% (2.7K lbs to 2.6K lbs).
Mplx Terminals LLC - Mt Vernon LP Terminal: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Mplx Terminals LLC - Mt Vernon LP Terminal year-over-year reported totals (decreased by 7% from 2019 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 |
|---|---|---|
| 2019 | 2.7K lbs | 12 |
| 2020 | 2.0K lbs | 12 |
| 2021 | 3.1K lbs | 12 |
| 2022 | 3.6K lbs | 12 |
| 2023 | 2.6K lbs | 12 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 5 of 12 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 4.5K lbs | - |
| Toluene | 3.5K lbs | - |
| Benzene | 2.7K lbs | Carcinogen |
| Xylene (mixed isomers) | 1.7K lbs | - |
| Cyclohexane | 1.2K lbs | - |
| Ethylbenzene | 288 lbs | Carcinogen |
| Naphthalene | 126 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 37 lbs | - |
| Cumene | 34 lbs | Carcinogen |
| Polycyclic aromatic compounds | 1 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 1 lbs | - |
| Ethylene glycol | 0 lbs | - |
Mplx Terminals LLC - Mt Vernon LP Terminal · AIR-pathway site
Nearest TRI Facilities to Mplx Terminals LLC - Mt Vernon LP Terminal
Closest other reporters in Indiana - including Sabic Innovative Plastics Mt. Vernon LLC, Bwxt Nuclear Operations Group, Building Materials Manufacturing LLC, ordered by distance.
Showing 8 of 870 other reporting facilities in Indiana.
Similar Petroleum Bulk Terminals Facilities
Other Petroleum Bulk Terminals facilities with similar total release volumes (±80%), outside Indiana - e.g. Par Montana Spokane Terminal, Gresham Petroleum Co, Blanchard Terminal Co - Nashville 51 Ave Tn Terminal.
Compare beyond Indiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mplx Terminals LLC - Mt Vernon LP Terminal on cumulative reported pounds (14.0K lbs) and distinct chemical count (12). Release-pound peers include North American Lighting, Aoc Materials LLC, Galvan Industries Inc. Chemical-count peers include Fmc Agricultural Caribe Industries Ltd, Peerless Oil & Chemicals Inc., Prepa - Aguirre Power Generati on Complex. 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.
- North American Lighting Muscle Shoals, AL · Transportation Equipment 14.0K lbs reported
- Aoc Materials LLC Kenova, WV · Chemicals 14.0K lbs reported
- Galvan Industries Inc Harrisburg, NC · Fabricated Metals 14.0K lbs reported
- Interstate Chemical Co Inc Pueblo West, CO · Chemical Wholesalers 14.0K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Fmc Agricultural Caribe Industries Ltd Manati, PR · Chemicals 12 chemicals
- Peerless Oil & Chemicals Inc. Penuelas, PR · Petroleum Bulk Terminals 12 chemicals
- Prepa - Aguirre Power Generati on Complex Aguirre, PR · Electric Utilities 12 chemicals
- Citgo Petroleum Corp Braintree, MA · Petroleum Bulk Terminals 12 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, Benzene, Xylene (mixed isomers); nearby reporters include Sabic Innovative Plastics Mt. Vernon LLC. Mplx Terminals LLC - Mt Vernon LP Terminal 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 Mplx Terminals LLC - Mt Vernon LP Terminal TRI extract (LIGHT · AIR · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mplx Terminals LLC - Mt Vernon LP Terminal totals are self-reported EPCRA §313 estimates for Mount Vernon, IN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 424710 · Petroleum Bulk Terminals. 0.0% of Posey TRI pounds in this extract. Nearest ABS peer: North American Lighting (Δ 2 lbs). Pounds ≠ exposure.
Mplx Terminals LLC - Mt Vernon LP Terminal 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