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Marathon Petroleum Corp: Toxic releases records

Toxic releases: 108 records from the U.S. Environmental Protection Agency, all dated Dec 31, 2024.

Newest first; records 1 to 50 of 108. Each links to the agency's own record. Back to the report card.

Toxic releases: records, page 1 of 3
DateAgencyWhat the agency recordedAmount or outcomeRecordRetrievedMatchedReport
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MPC ALASKA TERMINAL CO LLC- NORTH POLE, NORTH POLE, AK reported 1,281 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP1,281 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO ALASKA - KENAI REFINERY, KENAI, AK reported 45,097 pounds of on-site releases (17 chemical reports); parent company reported: MARATHON PETROLEUM CORP45,097 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO - ANCHORAGE TERMINAL, ANCHORAGE, AK reported 6,398 pounds of on-site releases (12 chemical reports); parent company reported: MARATHON PETROLEUM CORP6,398 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO LOGISTICS PASCO TERMINAL, PASCO, WA reported 3,776 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP3,776 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO - VANCOUVER WA TERMINAL, VANCOUVER, WA reported 2,308 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP2,308 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO REFINING & MARKETING CO LLC, ANACORTES, WA reported 125,476 pounds of on-site releases (30 chemical reports); parent company reported: MARATHON PETROLEUM CORP125,476 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO - STOCKTON TERMINAL, STOCKTON, CA reported 1,149 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP1,149 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO - COLTON TERMINAL, BLOOMINGTON, CA reported 1,571 pounds of on-site releases (9 chemical reports); parent company reported: MARATHON PETROLEUM CORP1,571 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO - SAN DIEGO TERMINAL, SAN DIEGO, CA reported 828 pounds of on-site releases (9 chemical reports); parent company reported: MARATHON PETROLEUM CORP828 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO LONG BEACH TERMINAL, LONG BEACH, CA reported 9 pounds of on-site releases (5 chemical reports); parent company reported: MARATHON PETROLEUM CORP9 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO MARINE TERMINAL 2, LONG BEACH, CA reported 1,984 pounds of on-site releases (13 chemical reports); parent company reported: MARATHON PETROLEUM CORP1,984 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO HATHAWAY TERMINAL, SIGNAL HILL, CA reported 1,694 pounds of on-site releases (13 chemical reports); parent company reported: MARATHON PETROLEUM CORP1,694 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO EAST HYNES TERMINAL, LONG BEACH, CA reported 3,357 pounds of on-site releases (13 chemical reports); parent company reported: MARATHON PETROLEUM CORP3,357 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO LOS ANGELES REFINERY-CARSON OPERATIONS, CARSON, CA reported 903,787 pounds of on-site releases (195 chemical reports); parent company reported: MARATHON PETROLEUM CORP903,787 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO - VINVALE TERMINAL, SOUTH GATE, CA reported 2,534 pounds of on-site releases (12 chemical reports); parent company reported: MARATHON PETROLEUM CORP2,534 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: PNAC LLC - FERNLEY, FERNLEY, NV reported 12 pounds of on-site releases (4 chemical reports); parent company reported: MARATHON PETROLEUM CORP12 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: WESTERN REFINING - BLOOMFIELD, BLOOMFIELD, NM reported 30,093 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP30,093 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: WESTERN REFINING - ALBUQUERQUE LP TERMINAL, ALBUQUERQUE, NM reported 5,126 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP5,126 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: WESTERN REFINING - ALBUQUERQUE ASPHALT, ALBUQUERQUE, NM reported 15 pounds of on-site releases (4 chemical reports); parent company reported: MARATHON PETROLEUM CORP15 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: WESTERN REFINING - TUSCON ASPHALT, TUCSON, AZ reported 15 pounds of on-site releases (3 chemical reports); parent company reported: MARATHON PETROLEUM CORP15 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: ASPHALT TERMINALS LLC - PHOENIX MCDOWELL, PHOENIX, AZ reported 29 pounds of on-site releases (3 chemical reports); parent company reported: MARATHON PETROLEUM CORP29 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: WESTERN REFINING CO - PHOENIX ASPHALT 19TH STREET, PHOENIX, AZ reported 2 pounds of on-site releases (3 chemical reports); parent company reported: MARATHON PETROLEUM CORP2 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TESORO REFINING & MARKETING COMPANY LLC - SLC, SALT LAKE CITY, UT reported 83,395 pounds of on-site releases (53 chemical reports); parent company reported: MARATHON PETROLEUM CORP83,395 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: IRONHORSE COMPLEX, VERNAL, UT reported 2,126 pounds of on-site releases (7 chemical reports); parent company reported: MARATHON PETROLEUM CORP2,126 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MARATHON PIPE LINE - BOISE, BOISE, ID reported 3,658 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP3,658 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: BLACKS FORK GAS PLANT, GRANGER, WY reported 1,040 pounds of on-site releases (7 chemical reports); parent company reported: MARATHON PETROLEUM CORP1,040 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: VERMILLION GAS PLANT, ROCK SPRINGS, WY reported 24,992 pounds of on-site releases (5 chemical reports); parent company reported: MARATHON PETROLEUM CORP24,992 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: WESTERN EL PASO REFINERY, EL PASO, TX reported 130,927 pounds of on-site releases (24 chemical reports); parent company reported: MARATHON PETROLEUM CORP130,927 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: PREAKNESS GAS PLANT, VAN HORN, TX reported 2,950 pounds of on-site releases (8 chemical reports); parent company reported: MARATHON PETROLEUM CORP2,950 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MARKWEST HIDALGO PLANT, ORLA, TX reported 4,532 pounds of on-site releases (8 chemical reports); parent company reported: MARATHON PETROLEUM CORP4,532 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: TORNADO GAS PLANT, MENTONE, TX reported 10,599 pounds of on-site releases (8 chemical reports); parent company reported: MARATHON PETROLEUM CORP10,599 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: BLANCHARD REFINING CO LLC, TEXAS CITY, TX reported 7,612,925 pounds of on-site releases (43 chemical reports); parent company reported: MARATHON PETROLEUM CORP7,612,925 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: CARTHAGE GAS PLANT, CARTHAGE, TX reported 1,104 pounds of on-site releases (4 chemical reports); parent company reported: MARATHON PETROLEUM CORP1,104 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: OMEGA GAS PLANT, OKARCHE, OK reported 7,270 pounds of on-site releases (6 chemical reports); parent company reported: MARATHON PETROLEUM CORP7,270 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MT. AIRY TERMINAL LLC, MOUNT AIRY, LA reported 7,094 pounds of on-site releases (14 chemical reports); parent company reported: MARATHON PETROLEUM CORP7,094 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MARATHON PETROLEUM CO LP, GARYVILLE, LA reported 842,222 pounds of on-site releases (35 chemical reports); parent company reported: MARATHON PETROLEUM CORP842,222 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV, ROBINSON, IL reported 552,589 pounds of on-site releases (30 chemical reports); parent company reported: MARATHON PETROLEUM CORP552,589 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MPLX TERMINALS LLC - CHAMPAIGN IL TERMINAL, CHAMPAIGN, IL reported 6,068 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP6,068 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: ANDEAVOR FIELD SERVICES LLC - ROBINSON LAKE GAS PLANT, NEW TOWN, ND reported 18,000 pounds of on-site releases (5 chemical reports); parent company reported: MARATHON PETROLEUM CORP18,000 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: ANDEAVOR FIELD SERVICES LLC-BELFIELD GAS PLANT, BELFIELD, ND reported 2,814 pounds of on-site releases (5 chemical reports); parent company reported: MARATHON PETROLEUM CORP2,814 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: FRYBURG RAIL TERMINAL, BELFIELD, ND reported 857 pounds of on-site releases (4 chemical reports); parent company reported: MARATHON PETROLEUM CORP857 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MARATHON DICKINSON REFINERY, DICKINSON, ND reported 16,152 pounds of on-site releases (4 chemical reports); parent company reported: MARATHON PETROLEUM CORP16,152 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: PATTERSON RAIL TERMINAL, DICKINSON, ND reported 440 pounds of on-site releases (2 chemical reports); parent company reported: MARATHON PETROLEUM CORP440 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MARATHON MANDAN REFINERY, MANDAN, ND reported 304,715 pounds of on-site releases (38 chemical reports); parent company reported: MARATHON PETROLEUM CORP304,715 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: ST PAUL PARK REFINING CO LLC, SAINT PAUL PARK, MN reported 219,389 pounds of on-site releases (28 chemical reports); parent company reported: MARATHON PETROLEUM CORP219,389 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MPLX TERMINALS LLC - NORTH MUSKEGON MI TERMINAL, NORTH MUSKEGON, MI reported 3,134 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP3,134 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MPLX TERMINALS LLC - JACKSON MI TERMINAL, JACKSON, MI reported 1,912 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP1,912 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MPLX TERMINALS LLC - NILES MI TERMINAL, NILES, MI reported 4,734 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP4,734 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MPLX TERMINALS LLC - LANSING MI TERMINAL, LANSING, MI reported 2,136 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP2,136 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error
Dec 31, 2024U.S. Environmental Protection Agency TRI 2024: MPLX TERMINALS LLC - BAY CITY MI TERMINAL, BAY CITY, MI reported 3,502 pounds of on-site releases (11 chemical reports); parent company reported: MARATHON PETROLEUM CORP3,502 pounds released on siteSource recordOct 23, 2026matched by the parent company the agency reportsReport an error

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