EPA TRI Facility · Petroleum Bulk Terminals
Mplx Terminals LLC - Bay City Mi Terminal
Bay City, MI · Parent: Marathon Petroleum Corp
- Total releases
- 16.7K lbs
- Chemicals reported
- 11
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
Mplx Terminals LLC - Bay City Mi Terminal: how the 16.7K lbs splits
16.7K lbs across all reported pathways
- Air Releases 16.6K lbs 99.3%
- Off-site Transfers 124 lbs 0.7%
- Water Discharges 1 lbs <0.1%
Mplx Terminals LLC - Bay City Mi Terminal's 16.7K lbs Form-R total is AIR - air releases is 99.3% of the bar. Next segment: off-site transfers at 0.7%. 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 - Bay City Mi Terminal is an EPA Toxics Release Inventory reporter in Bay City, MI, in the petroleum bulk terminals sector. It reported 3.5K lbs of releases across 11 chemicals in 2023, and 16.7K lbs in total across its 2019-2023 reporting years. That ranks 8,659 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Michigan's 791 reporting TRI sites, pounds #1 is not chemical-count #1. Mplx Terminals LLC - Bay City Mi Terminal is pounds #330 and chemical-count #73 at 16.7K lbs. Cleveland-Cliffs Steel Corp Dearborn Works leads reported pounds (53.0M lbs) at 17 chemicals (chemical-count #27). Eq Detroit Inc leads chemical count at 71 chemicals (14.0M lbs, pounds #5). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: General Motors LLC - Bay City Plant; Bay Cast - Center Street Plant; De Karn Jc Weadock Generating Plant; Bay Cast - Webster Street Plant. Similar-scale Petroleum Bulk Terminals peers outside Michigan: Allied Aviation Fueling Co of Houston Inc.; South Portland Terminal (sptpm); Sinclair Denver Products Terminal; Mplx Terminals LLC - Columbus Oh West 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 - Bay City Mi Terminal stamps LIGHT volume with a dominant AIR pathway (99.3% air releases) across 11 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 16.7K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Allied Aviation Fueling Co of Houston Inc. and South Portland Terminal (sptpm).
Mplx Terminals LLC - Bay City Mi Terminal vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
17K lbs Top 33% higher than 67% 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 - Bay City Mi Terminal in the Petroleum Bulk Terminals sector extract
Among the 695 Petroleum Bulk Terminals facilities in this database, Mplx Terminals LLC - Bay City Mi Terminal reports the 114th-largest volume, placing it in the top 16.4% of its sector. Scale peers outside Michigan include Allied Aviation Fueling Co of Houston Inc. and South Portland Terminal (sptpm).
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 - Bay City Mi Terminal's off-site transfers fell from 118 lb in 2022 to 5 lb in 2023, based on EPA TRI filings.
- Mplx Terminals LLC - Bay City Mi Terminal's air releases rose from 3.4 thousand lb in 2022 to 3.5 thousand lb in 2023, based on EPA TRI filings.
Mplx Terminals LLC - Bay City Mi Terminal Form-R facts
Compare this facility
See how Mplx Terminals LLC - Bay City Mi Terminal stacks up against nearby facilities and the typical reporter.
25.2× more than the comparison
11.0× 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 Mplx Terminals LLC - Bay City Mi Terminal releases toxic chemicals into the environment. Total: 16.7K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 7% (3.3K lbs to 3.5K lbs).
Mplx Terminals LLC - Bay City Mi 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 - Bay City Mi Terminal year-over-year reported totals (increased 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 | 3.3K lbs | 11 |
| 2020 | 3.1K lbs | 11 |
| 2021 | 3.3K lbs | 11 |
| 2022 | 3.5K lbs | 11 |
| 2023 | 3.5K 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 | 5.3K lbs | - |
| Toluene | 4.6K lbs | - |
| Benzene | 3.0K lbs | Carcinogen |
| Xylene (mixed isomers) | 1.8K lbs | - |
| Cyclohexane | 1.6K lbs | - |
| Ethylbenzene | 358 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 50 lbs | - |
| Cumene | 39 lbs | Carcinogen |
| Naphthalene | 18 lbs | Carcinogen |
| Polycyclic aromatic compounds | 4 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 0 lbs | - |
Mplx Terminals LLC - Bay City Mi Terminal · AIR-pathway site
Nearest TRI Facilities to Mplx Terminals LLC - Bay City Mi Terminal
Closest other reporters in Michigan - including General Motors LLC - Bay City Plant, Bay Cast - Center Street Plant, De Karn Jc Weadock Generating Plant, ordered by distance.
Showing 8 of 790 other reporting facilities in Michigan.
Similar Petroleum Bulk Terminals Facilities
Other Petroleum Bulk Terminals facilities with similar total release volumes (±80%), outside Michigan - e.g. Allied Aviation Fueling Co of Houston Inc., South Portland Terminal (sptpm), Sinclair Denver Products Terminal.
Compare beyond Michigan
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mplx Terminals LLC - Bay City Mi Terminal on cumulative reported pounds (16.7K lbs) and distinct chemical count (11). Release-pound peers include Lighting & Imaging - Southbridge, Lsc Communications / Maple Grove, Valley Paint Manufacturing. 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.
- Lighting & Imaging - Southbridge Southbridge, MA · Nonmetallic Mineral Product 16.7K lbs reported
- Lsc Communications / Maple Grove Maple Grove, MN · Printing 16.7K lbs reported
- Valley Paint Manufacturing Woods Cross, UT · Chemicals 16.7K lbs reported
- Koppers Inc (guthrie) Guthrie, KY · Wood Products 16.7K 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 General Motors LLC - Bay City Plant. Mplx Terminals LLC - Bay City Mi 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 - Bay City Mi 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 - Bay City Mi Terminal totals are self-reported EPCRA §313 estimates for Bay City, MI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 424710 · Petroleum Bulk Terminals. 0.4% of Bay TRI pounds in this extract. Nearest ABS peer: Lighting & Imaging - Southbridge (Δ 3 lbs). Pounds ≠ exposure.
Mplx Terminals LLC - Bay City Mi 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