EPA TRI Facility · Petroleum Bulk Terminals

Mplx Terminals LLC - Flint Mi Terminal

Mount Morris, MI · Parent: Marathon Petroleum Corp

Total releases
7.3K lbs
Chemicals reported
11
Carcinogens
5
Primary pathway
Air Releases

AIR Form-R mix

Mplx Terminals LLC - Flint Mi Terminal: how the 7.3K lbs splits

7.3K lbs across all reported pathways

  • Air Releases 7.3K lbs 99.5%
  • Off-site Transfers 39 lbs 0.5%

Mplx Terminals LLC - Flint Mi Terminal's 7.3K lbs Form-R total is AIR - air releases is 99.5% of the bar. Next segment: off-site transfers at 0.5%. 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 - Flint Mi Terminal is an EPA Toxics Release Inventory reporter in Mount Morris, MI, in the petroleum bulk terminals sector. It reported 1.4K lbs of releases across 11 chemicals in 2023, and 7.3K lbs in total across its 2019-2023 reporting years. That ranks 10,444 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 - Flint Mi Terminal is pounds #400 and chemical-count #78 at 7.3K 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). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Lockhart Chemical Co; Woodworth Inc Flint; Mid State Plating Co.; Gm Truck Group Flint Assembly Plant. Similar-scale Petroleum Bulk Terminals peers outside Michigan: Citgo Petroleum Corp; Crowley Valdez Facility; Tesoro Hathaway Terminal; Global Cos LLC Glenwood Landing 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).

View saved records
Verify at EPA TRI →

Mplx Terminals LLC - Flint Mi Terminal stamps LIGHT volume with a dominant AIR pathway (99.5% air releases) across 11 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 7.3K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Citgo Petroleum Corp and Crowley Valdez Facility.

#10,444 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Mplx Terminals LLC - Flint Mi Terminal vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

7.3K lbs Top 40% higher than 60% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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 - Flint Mi Terminal in the Petroleum Bulk Terminals sector extract

Among the 695 Petroleum Bulk Terminals facilities in this database, Mplx Terminals LLC - Flint Mi Terminal reports the 232nd-largest volume (7.3K lbs). Scale peers outside Michigan include Citgo Petroleum Corp and Crowley Valdez Facility.

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

2022 → 2023
  • Mplx Terminals LLC - Flint Mi Terminal's total reported releases fell from 1.5 thousand lb in 2022 to 1.4 thousand lb in 2023, based on EPA TRI filings.
  • Mplx Terminals LLC - Flint Mi Terminal's air releases fell from 1.5 thousand lb in 2022 to 1.4 thousand lb in 2023, based on EPA TRI filings.

Mplx Terminals LLC - Flint Mi Terminal Form-R facts

Sector
Petroleum Bulk Terminals
LIGHT volume
7.3K lbs
AIR pathway
Air Releases
CARC-LEAN chem count
11 · 5 carc.
Lead chemical
n-Hexane

Compare this facility

See how Mplx Terminals LLC - Flint Mi Terminal stacks up against nearby facilities and the typical reporter.

Total reported releases
Mplx Terminals LLC - Flint Mi Terminal
7.3K lbs
Lockhart Chemical Co
18.8K lbs

61% less than the comparison

Chemicals reported
Mplx Terminals LLC - Flint Mi Terminal
11
Lockhart Chemical Co
4

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 - Flint Mi Terminal releases toxic chemicals into the environment. Total: 7.3K lbs.

Air Releases 7.3K lbs (99.5%)
Off-site Transfers 39 lbs (0.5%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 9% (1.6K lbs to 1.4K lbs).

Mplx Terminals LLC - Flint Mi Terminal: annual Form-R pounds

LIGHT site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Mplx Terminals LLC - Flint Mi Terminal year-over-year reported totals (decreased by 9% 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.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 1.6K lbs 11
2020 1.4K lbs 11
2021 1.5K lbs 11
2022 1.5K lbs 11
2023 1.4K 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 2.4K lbs -
Toluene 1.9K lbs -
Benzene 1.3K lbs Carcinogen
Xylene (mixed isomers) 751 lbs -
Cyclohexane 722 lbs -
Ethylbenzene 149 lbs Carcinogen
1,2,4-Trimethylbenzene 50 lbs -
Cumene 15 lbs Carcinogen
Naphthalene 15 lbs Carcinogen
Polycyclic aromatic compounds 1 lbs Carcinogen
Benzo[g,h,i]perylene 0 lbs -

Mplx Terminals LLC - Flint Mi Terminal · AIR-pathway site

Mount Morris, MI
43.0912, -83.6746
County TRI context
Genesee · 0.3% of county pounds
Parent company
Marathon Petroleum Corp

Compare beyond Michigan

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Mplx Terminals LLC - Flint Mi Terminal on cumulative reported pounds (7.3K lbs) and distinct chemical count (11). Release-pound peers include Whitehead Die Casting Inc, American Polymers Corp DBA Polycoat Products, Birmingham Hide & Tallow Co Inc. 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.

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 Lockhart Chemical Co. Mplx Terminals LLC - Flint 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 - Flint 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 - Flint Mi Terminal totals are self-reported EPCRA §313 estimates for Mount Morris, MI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 424710 · Petroleum Bulk Terminals. 0.3% of Genesee TRI pounds in this extract. Nearest ABS peer: Whitehead Die Casting Inc (Δ 1 lbs). Pounds ≠ exposure.

Mplx Terminals LLC - Flint 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