Facility profile
Marathon Petroleum Co Lp
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
12
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2025-07-31
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are lower in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 141,050 lbs | 0 lbs | 0 lbs | 141,050 lbs |
| 2023 | 150,051 lbs | 0 lbs | 2 lbs | 150,053 lbs |
| 2024 | 102,114 lbs | 0 lbs | 3 lbs | 102,116 lbs |
Chemical breakdown
What this facility is reporting
-
Propylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Hydrogen sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Toluene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
n-Hexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Ethylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Benzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
1, 3-Butadiene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
1, 2, 4-Trimethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Ethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Cyclohexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Naphthalene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Zinc compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Nickel
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Cumene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Carbon disulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Lead compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Carbonyl sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Mercury compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Polycyclic aromatic compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Cobalt
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Molybdenum trioxide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Dioxin and dioxin-like compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Benzo[g, h, i]perylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
Enforcement layer
Why the ECHO-style detail matters
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.