EPA TRI Facility · Petroleum Bulk Terminals
Mplx Terminals LLC - Marietta Oh Terminal
Marietta, OH · Parent: Marathon Petroleum Corp
- Total releases
- 4.7K lbs
- Chemicals reported
- 11
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
Mplx Terminals LLC - Marietta Oh Terminal: how the 4.7K lbs splits
4.7K lbs across all reported pathways
- Air Releases 4.7K lbs 99.9%
- Water Discharges 4 lbs 0.1%
Mplx Terminals LLC - Marietta Oh Terminal's 4.7K lbs Form-R total is AIR - air releases is 99.9% of the bar. Next segment: water discharges at 0.1%. 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 - Marietta Oh Terminal is an EPA Toxics Release Inventory reporter in Marietta, OH, in the petroleum bulk terminals sector. It reported 1.7K lbs of releases across 11 chemicals in 2023, and 4.7K lbs in total across its 2019-2023 reporting years. That ranks 11,327 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Ohio's 1,299 reporting TRI sites, pounds #1 is not chemical-count #1. Mplx Terminals LLC - Marietta Oh Terminal is pounds #761 and chemical-count #96 at 4.7K lbs. Ineos Nitriles USA LLC leads reported pounds (42.4M lbs) at 31 chemicals (chemical-count #10). Heritage Thermal Services leads chemical count at 217 chemicals (431.4K lbs, pounds #116). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Americas Styrenics LLC - Marietta; Solvay Specialty Polymers USA LLC; Energizer Holdings Inc; Eramet Marietta Inc. Similar-scale Petroleum Bulk Terminals peers outside Ohio: Aloha Petroleum Llc-Hilo West Terminal; Safety-Kleen Systems Inc; Gulfmark Energy Inc; Texas City Crude Oil 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 - Marietta Oh Terminal stamps LIGHT volume with a dominant AIR pathway (99.9% air releases) across 11 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 4.7K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Aloha Petroleum Llc-Hilo West Terminal and Safety-Kleen Systems Inc.
Mplx Terminals LLC - Marietta Oh Terminal vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
4.7K lbs Top 44% higher than 56% 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 - Marietta Oh Terminal in the Petroleum Bulk Terminals sector extract
Among the 695 Petroleum Bulk Terminals facilities in this database, Mplx Terminals LLC - Marietta Oh Terminal reports the 280th-largest volume (4.7K lbs). Scale peers outside Ohio include Aloha Petroleum Llc-Hilo West Terminal and Safety-Kleen Systems Inc.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Mplx Terminals LLC - Marietta Oh Terminal Form-R facts
Compare this facility
See how Mplx Terminals LLC - Marietta Oh Terminal stacks up against nearby facilities and the typical reporter.
96% less than the comparison
2.8× 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 Mplx Terminals LLC - Marietta Oh Terminal releases toxic chemicals into the environment. Total: 4.7K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 10% (1.6K lbs to 1.7K lbs).
Mplx Terminals LLC - Marietta Oh Terminal: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2023 0
What this shows Mplx Terminals LLC - Marietta Oh Terminal year-over-year reported totals (increased by 10% 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 | 1.6K lbs | 11 |
| 2020 | 1.4K lbs | 11 |
| 2023 | 1.7K lbs | 11 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 5 of 11 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 1.5K lbs | - |
| Toluene | 1.2K lbs | - |
| Benzene | 850 lbs | Carcinogen |
| Xylene (mixed isomers) | 496 lbs | - |
| Cyclohexane | 455 lbs | - |
| Ethylbenzene | 101 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 14 lbs | - |
| Naphthalene | 11 lbs | Carcinogen |
| Cumene | 9 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 0 lbs | - |
| Polycyclic aromatic compounds | 0 lbs | Carcinogen |
Mplx Terminals LLC - Marietta Oh Terminal · AIR-pathway site
Nearest TRI Facilities to Mplx Terminals LLC - Marietta Oh Terminal
Closest other reporters in Ohio - including Americas Styrenics LLC - Marietta, Solvay Specialty Polymers USA LLC, Energizer Holdings Inc, ordered by distance.
Showing 8 of 1,298 other reporting facilities in Ohio.
Similar Petroleum Bulk Terminals Facilities
Other Petroleum Bulk Terminals facilities with similar total release volumes (±80%), outside Ohio - e.g. Aloha Petroleum Llc-Hilo West Terminal, Safety-Kleen Systems Inc, Gulfmark Energy Inc.
Compare beyond Ohio
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mplx Terminals LLC - Marietta Oh Terminal on cumulative reported pounds (4.7K lbs) and distinct chemical count (11). Release-pound peers include Ricoh Electronics Inc, Aloha Petroleum Llc-Hilo West Terminal, Keenesburg Gas Plant. 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.
- Ricoh Electronics Inc Lawrenceville, GA · Chemicals 4.7K lbs reported
- Aloha Petroleum Llc-Hilo West Terminal Hilo, HI · Petroleum Bulk Terminals 4.7K lbs reported
- Keenesburg Gas Plant Keenesburg, CO · Natural Gas Processing 4.7K lbs reported
- Swenson Spreader LLC Lindenwood, IL · Fabricated Metals 4.7K 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, Benzene, Xylene (mixed isomers); nearby reporters include Americas Styrenics LLC - Marietta. Mplx Terminals LLC - Marietta Oh 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 - Marietta Oh 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 - Marietta Oh Terminal totals are self-reported EPCRA §313 estimates for Marietta, OH, latest year 2023. Form-R rows span 2019–2023 (3 years). NAICS 424710 · Petroleum Bulk Terminals. 0.0% of Washington TRI pounds in this extract. Nearest ABS peer: Ricoh Electronics Inc (Δ 0 lbs). Pounds ≠ exposure.
Mplx Terminals LLC - Marietta Oh 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