PERI
Home

Marathon Petroleum

Rank in Toxic 100 Water: 40
Surface Water releases 2017 (lbs): 1,036,873
POTW (sewerage plant) transfers 2017 (lbs): 484,135
Pounds released post-treatment 2017 (lbs): 1,083,245
Total Surface Water and POTW Toxic Hazard 2017: 224,510,501
Percentage of national total 2017 surface water and POTW hazard: 0.1%

You can also view this company's penalties in Violation Tracker.
You can also look at this company's state, local, and Federal subsidies in Subsidy Tracker.
This company is rank 33 on the Toxic 100 Air list.
This company is rank 16 on the Greenhouse 100 list.

Chemicals at facilities displayed below: (
display facilities) (display chemicals)
(Click on column headers to re-sort table: current sort is by chemical name.)
(Links on facility names lead to full TRI reports. Links on cities lead to Mapquest maps. Links on chemical names lead to Scorecard chemical health effects.)
Split *
CATLETTSBURG REFINING LLC CATLETTSBURG KY 1,2,4-Trimethylbenzene 700 0 700 70,000 0.03%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA 1,2,4-Trimethylbenzene 1 4,750 281 28,077 0.01%
ANDEAVOR DICKINSON REFINERY DICKINSON ND 1,2,4-Trimethylbenzene 0 70 4 412 0.00%
TESORO ALASKA - KENAI REFINERY KENAI AK 1,2,4-Trimethylbenzene 0 0 0 30 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA 1,2,4-Trimethylbenzene 13 0 13 1,300 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL 1,2,4-Trimethylbenzene 18 0 18 1,800 0.00%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH 1,2,4-Trimethylbenzene 2 0 2 200 0.00%
MPLX TERMINALS LLC - PADUCAH KY TERMINAL PADUCAH KY 1,2,4-Trimethylbenzene 1 0 1 100 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI 1,2,4-Trimethylbenzene 0 3 0 18 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT 1,2,4-Trimethylbenzene 0 479 28 2,821 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX 1,2,4-Trimethylbenzene 6 0 6 600 0.00%
TESORO VINVALE TERMINAL SOUTH GATE CA 1,2,4-Trimethylbenzene 1 0 1 100 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL 1,3-Butadiene 18 0 18 1,980,000 0.88%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI 1,3-Butadiene 0 3 0 8,844 0.00%
ANDEAVOR DICKINSON REFINERY DICKINSON ND 1,3-Butadiene 0 1 0 2,093 0.00%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN 1,3-Butadiene 2 0 2 220,000 0.10%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Ammonia 35 27,000 10,862 0 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Ammonia 750 0 750 0 0.00%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Ammonia 17 0 17 0 0.00%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Ammonia 3,200 0 3,200 0 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Ammonia 4,447 0 4,447 0 0.00%
TESORO ALASKA - KENAI REFINERY KENAI AK Ammonia 1,553 0 1,553 0 0.00%
TESORO MANDAN REFINERY MANDAN ND Ammonia 580 0 580 0 0.00%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Ammonia 608 0 608 0 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Ammonia 549 0 549 0 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Ammonia 0 0 0 0 0.00%
WESTERN EL PASO REFINERY EL PASO TX Ammonia 0 2,747 1,102 0 0.00%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Ammonia 1,400 0 1,400 0 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Ammonia 0 5,282 2,118 0 0.00%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Ammonia 150 0 150 0 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Ammonia 109 0 109 0 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Anthracene 0 193 11 37 0.00%
TESORO MANDAN REFINERY MANDAN ND Benzene 1 0 1 55,000 0.02%
MPLX TERMINALS LLC - CHARLESTON WV TERMINAL CHARLESTON WV Benzene 1 0 1 55,000 0.02%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Benzene 1 0 1 55,000 0.02%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Benzene 0 3 0 9,752 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Benzene 1 6,400 379 20,858,213 9.29%
TESORO VINVALE TERMINAL SOUTH GATE CA Benzene 1 0 1 55,000 0.02%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Benzene 29 0 29 1,595,000 0.71%
ANDEAVOR DICKINSON REFINERY DICKINSON ND Benzene 0 1,200 71 3,900,602 1.74%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Benzene 2 0 2 110,000 0.05%
MPLX TERMINALS LLC - KENOVA WV TERMINAL KENOVA WV Benzene 79 0 79 4,345,000 1.94%
TESORO ALASKA - KENAI REFINERY KENAI AK Benzene 0 0 0 5,500 0.00%
WESTERN EL PASO REFINERY EL PASO TX Benzene 0 1,302 77 4,232,154 1.89%
MPLX TERMINALS LLC - LOUISVILLE ALGON KY TERMINAL LOUISVILLE KY Benzene 0 15 1 48,758 0.02%
MARATHON PETROLEUM CO LP GARYVILLE LA Benzene 10 0 10 550,000 0.24%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Benzene 202 0 202 11,110,000 4.95%
BLANCHARD REFINING CO LLC TEXAS CITY TX Benzene 75 0 75 4,125,000 1.84%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Benzene 0 4,335 256 14,090,926 6.28%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Benzene 18 0 18 990,000 0.44%
MPLX TERMINALS LLC - PADUCAH KY TERMINAL PADUCAH KY Benzene 1 0 1 55,000 0.02%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Benzene 2 0 2 110,000 0.05%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Benzo(g,h,i)perylene 15 0 15 300,000 0.13%
ANDEAVOR DICKINSON REFINERY DICKINSON ND Benzo(g,h,i)perylene 0 121 0 0 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Benzo(g,h,i)perylene 0 8 0 0 0.00%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Benzo(g,h,i)perylene 0 0 0 2,000 0.00%
TESORO ALASKA - KENAI REFINERY KENAI AK Benzo(g,h,i)perylene 0 0 0 2,000 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Benzo(g,h,i)perylene 1 0 1 12,000 0.01%
WESTERN EL PASO REFINERY EL PASO TX Benzo(g,h,i)perylene 0 28 0 0 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Biphenyl 0 301 3 2,746 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Carbon disulfide 0 3 0 4 0.00%
TESORO MANDAN REFINERY MANDAN ND Carbon disulfide 2 0 2 20 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Carbon disulfide 1 0 1 10 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Carbon disulfide 2 0 2 20 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Chromium compounds 200 0 200 100,000,000 44.54%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Chromium compounds 29 0 29 14,500,000 6.46%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Cobalt compounds 11 0 11 0 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Cobalt compounds 39 0 39 0 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Copper compounds 1 0 1 1,500 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Copper compounds 10 0 10 15,000 0.01%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Cresol (mixed isomers) 0 15,800 1,206 24,111 0.01%
BLANCHARD REFINING CO LLC TEXAS CITY TX Cresol (mixed isomers) 1 0 1 20 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Cumene 0 143 3 28 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Cumene 0 3,276 63 632 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Cumene 100 0 100 1,000 0.00%
MPLX TERMINALS LLC - PADUCAH KY TERMINAL PADUCAH KY Cumene 1 0 1 10 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Cumene 0 3 0 1 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Cumene 70 0 70 700 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Cyclohexane 18 0 18 10 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Cyclohexane 0 356 40 23 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Cyclohexane 9 0 9 5 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Cyclohexane 0 3 0 0 0.00%
TESORO VINVALE TERMINAL SOUTH GATE CA Cyclohexane 1 0 1 1 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Cyclohexane 93 0 93 54 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Diethanolamine 0 36,100 2,866 2,035,102 0.91%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Dioxin and dioxin-like compounds 0 0 0 1,778,112 0.79%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Dioxin and dioxin-like compounds 0 0 0 26,085 0.01%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Dioxin and dioxin-like compounds 0 0 0 124,622 0.06%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Ethylbenzene 40 0 40 44,000 0.02%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Ethylbenzene 18 0 18 19,800 0.01%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Ethylbenzene 0 3 0 337 0.00%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Ethylbenzene 2 0 2 2,200 0.00%
WESTERN EL PASO REFINERY EL PASO TX Ethylbenzene 0 476 49 53,407 0.02%
MPLX TERMINALS LLC - LOUISVILLE ALGON KY TERMINAL LOUISVILLE KY Ethylbenzene 0 7 1 785 0.00%
TESORO ALASKA - KENAI REFINERY KENAI AK Ethylbenzene 0 0 0 330 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Ethylbenzene 6 0 6 6,600 0.00%
MPLX TERMINALS LLC - KENOVA WV TERMINAL KENOVA WV Ethylbenzene 34 0 34 37,400 0.02%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Ethylbenzene 8 0 8 8,800 0.00%
MPLX TERMINALS LLC - CHARLESTON WV TERMINAL CHARLESTON WV Ethylbenzene 1 0 1 1,100 0.00%
ANDEAVOR DICKINSON REFINERY DICKINSON ND Ethylbenzene 0 502 51 56,324 0.03%
BLANCHARD REFINING CO LLC TEXAS CITY TX Ethylbenzene 93 0 93 102,300 0.05%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Ethylbenzene 0 205 21 23,001 0.01%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Ethylbenzene 1 1,810 186 204,182 0.09%
TESORO VINVALE TERMINAL SOUTH GATE CA Ethylbenzene 1 0 1 1,100 0.00%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Ethylene 4 0 4 2 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Hydrogen cyanide 0 82 76 129,252 0.06%
TESORO MANDAN REFINERY MANDAN ND Hydrogen cyanide 24 0 24 40,800 0.02%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Hydrogen cyanide 24 0 24 40,800 0.02%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Hydrogen sulfide 50 0 50 90,000 0.04%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Hydrogen sulfide 112 0 112 201,600 0.09%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Hydrogen sulfide 0 5,933 329 591,639 0.26%
TESORO MANDAN REFINERY MANDAN ND Hydrogen sulfide 17 0 17 30,600 0.01%
MARATHON PETROLEUM CO - NORTH BEND OH TERMINAL NORTH BEND OH Hydrogen sulfide 3 0 3 5,400 0.00%
TESORO ALASKA - KENAI REFINERY KENAI AK Hydrogen sulfide 2 0 2 4,320 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Hydrogen sulfide 0 1,102 61 109,891 0.05%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Hydrogen sulfide 85 0 85 153,000 0.07%
WESTERN EL PASO REFINERY EL PASO TX Lead 0 11 4 72,310 0.03%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Lead compounds 58 0 58 1,044,000 0.47%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Lead compounds 22 0 22 392,400 0.17%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Lead compounds 9 0 9 162,000 0.07%
MPLX TERMINALS LLC - LOUISVILLE ALGON KY TERMINAL LOUISVILLE KY Lead compounds 0 1 0 7,231 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Lead compounds 11 3 12 217,261 0.10%
MARATHON PETROLEUM CO LP GARYVILLE LA Lead compounds 39 0 39 694,800 0.31%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Lead compounds 8 0 8 136,800 0.06%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Lead compounds 4 56 25 445,036 0.20%
MPLX TERMINALS LLC - BRECKSVILLE OH TERMINAL BRECKSVILLE OH Lead compounds 5 0 5 95,400 0.04%
TESORO ALASKA - KENAI REFINERY KENAI AK Lead compounds 3 0 3 48,600 0.02%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Lead compounds 81 0 81 1,454,400 0.65%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Lead compounds 0 4 1 24,322 0.01%
TESORO MANDAN REFINERY MANDAN ND Lead compounds 7 0 7 117,000 0.05%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Mercury 1 0 1 10,031 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Mercury compounds 0 1 0 4,143 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Mercury compounds 0 0 0 1,257 0.00%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Mercury compounds 0 0 0 3,000 0.00%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Mercury compounds 0 0 0 1,000 0.00%
TESORO MANDAN REFINERY MANDAN ND Mercury compounds 0 0 0 2,000 0.00%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Mercury compounds 2 0 2 16,000 0.01%
MARATHON PETROLEUM CO LP GARYVILLE LA Mercury compounds 2 0 2 15,000 0.01%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Methanol 0 216,000 17,129 17,129 0.01%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Methanol 23,937 0 23,937 23,937 0.01%
CINCINNATI RENEWABLE FUELS LLC CINCINNATI OH Methanol 0 15,210 1,206 1,206 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Molybdenum trioxide 10 0 10 3,800 0.00%
WESTERN EL PASO REFINERY EL PASO TX Molybdenum trioxide 0 29 28 10,742 0.00%
ANDEAVOR DICKINSON REFINERY DICKINSON ND n-Hexane 0 404 0 4 0.00%
MPLX TERMINALS LLC - PADUCAH KY TERMINAL PADUCAH KY n-Hexane 1 0 1 17 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI n-Hexane 0 3 0 0 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL n-Hexane 18 0 18 306 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT n-Hexane 0 627 0 6 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA n-Hexane 1 4 1 17 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA n-Hexane 15 0 15 255 0.00%
TESORO VINVALE TERMINAL SOUTH GATE CA n-Hexane 1 0 1 17 0.00%
MPLX TERMINALS LLC - KENOVA WV TERMINAL KENOVA WV n-Hexane 560 0 560 9,520 0.00%
ANDEAVOR DICKINSON REFINERY DICKINSON ND Naphthalene 0 121 5 243 0.00%
TESORO ALASKA - KENAI REFINERY KENAI AK Naphthalene 1 0 1 30 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Naphthalene 0 1,400 56 2,807 0.00%
WESTERN EL PASO REFINERY EL PASO TX Naphthalene 0 139 6 279 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Naphthalene 0 413 17 828 0.00%
MPLX TERMINALS LLC - CHARLOTTE NC WEST TERMINAL CHARLOTTE NC Naphthalene 1 0 1 50 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Naphthalene 27 0 27 1,350 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Naphthalene 291 0 291 14,550 0.01%
MARATHON PIPELINE CO LLC HEATH TERMINAL HEATH OH Naphthalene 5 0 5 250 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Naphthalene 15 0 15 750 0.00%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Naphthalene 1 0 1 50 0.00%
TESORO MANDAN REFINERY MANDAN ND Naphthalene 2 0 2 100 0.00%
BLANCHARD TERMINAL CO - CHARLOTTE EAST NC TERMINAL CHARLOTTE NC Naphthalene 3 0 3 150 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Naphthalene 0 14 1 28 0.00%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Naphthalene 14 0 14 700 0.00%
MPLX TERMINALS LLC - KENOVA WV TERMINAL KENOVA WV Naphthalene 110 0 110 5,500 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Nickel 80 8 85 7,746 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Nickel compounds 10 0 10 910 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Nickel compounds 81 0 81 7,371 0.00%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Nickel compounds 64 0 64 5,824 0.00%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Nickel compounds 47 0 47 4,277 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Nickel compounds 11 69 54 4,876 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Nickel compounds 340 0 340 30,940 0.01%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Nickel compounds 21 0 21 1,911 0.00%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Nitrate compounds 18,000 0 18,000 11,340 0.01%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Nitrate compounds 0 49,057 0 0 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Nitrate compounds 55,838 0 55,838 35,178 0.02%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Nitrate compounds 23,379 0 23,379 14,729 0.01%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Nitrate compounds 58,000 0 58,000 36,540 0.02%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Nitrate compounds 67,119 0 67,119 42,285 0.02%
MARATHON PETROLEUM CO LP GARYVILLE LA Nitrate compounds 525,383 0 525,383 330,991 0.15%
BLANCHARD REFINING CO LLC TEXAS CITY TX Nitrate compounds 240,000 0 240,000 151,200 0.07%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Nitrate compounds 2,366 0 2,366 1,491 0.00%
TESORO MANDAN REFINERY MANDAN ND Phenanthrene 2 0 2 0 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Phenanthrene 1 0 1 0 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Phenanthrene 0 197 12 0 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Phenol 180 0 180 594 0.00%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Phenol 36 0 36 119 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Phenol 71 0 71 234 0.00%
TESORO MANDAN REFINERY MANDAN ND Phenol 15 0 15 49 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Phenol 3 24,300 1,911 6,305 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Phenol 184 0 184 607 0.00%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Phenol 34 0 34 112 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Polycyclic aromatic compounds 10 0 10 1,854,000 0.83%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Polycyclic aromatic compounds 0 0 0 72,000 0.03%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Polycyclic aromatic compounds 2 0 2 306,000 0.14%
TESORO ALASKA - KENAI REFINERY KENAI AK Polycyclic aromatic compounds 3 0 3 486,000 0.22%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Polycyclic aromatic compounds 0 30 2 390,816 0.17%
ANDEAVOR DICKINSON REFINERY DICKINSON ND Polycyclic aromatic compounds 0 121 9 1,603,008 0.71%
BLANCHARD REFINING CO LLC TEXAS CITY TX Polycyclic aromatic compounds 1 0 1 180,000 0.08%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Polycyclic aromatic compounds 90 0 90 16,200,000 7.22%
WESTERN EL PASO REFINERY EL PASO TX Polycyclic aromatic compounds 0 66 5 874,368 0.39%
MARATHON PETROLEUM CO LP (PART) TEXAS CITY TX Polycyclic aromatic compounds 25 0 25 4,554,000 2.03%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Polycyclic aromatic compounds 15 0 15 2,700,000 1.20%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Propylene 4 0 4 5 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Styrene 3 0 3 15 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Styrene 0 18 1 5 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Tetrachloroethylene 5 0 5 10,500 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Tetrachloroethylene 1 40 5 11,466 0.01%
MPLX TERMINALS LLC - PADUCAH KY TERMINAL PADUCAH KY Toluene 2 0 2 26 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Toluene 64 0 64 832 0.00%
WESTERN EL PASO REFINERY EL PASO TX Toluene 0 2,502 126 1,639 0.00%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Toluene 2 0 2 26 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Toluene 307 0 307 3,991 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Toluene 18 0 18 234 0.00%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Toluene 5 0 5 65 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Toluene 2 11,100 561 7,299 0.00%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Toluene 7 0 7 91 0.00%
TESORO VINVALE TERMINAL SOUTH GATE CA Toluene 5 0 5 65 0.00%
MPLX TERMINALS LLC - CHARLESTON WV TERMINAL CHARLESTON WV Toluene 6 0 6 78 0.00%
TESORO MANDAN REFINERY MANDAN ND Toluene 1 0 1 13 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Toluene 0 3 0 2 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Toluene 0 5,956 300 3,902 0.00%
MPLX TERMINALS LLC - KENOVA WV TERMINAL KENOVA WV Toluene 1 0 1 13 0.00%
MPLX TERMINALS LLC - SPEEDWAY IN TERMINAL INDIANAPOLIS IN Toluene 0 2 0 1 0.00%
TESORO ALASKA - KENAI REFINERY KENAI AK Toluene 0 0 0 4 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Toluene 410 0 410 5,330 0.00%
MPLX TERMINALS LLC - LOUISVILLE ALGON KY TERMINAL LOUISVILLE KY Toluene 0 83 4 54 0.00%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Toluene 1 0 1 13 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Vanadium compounds 4 0 4 560 0.00%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Vanadium compounds 9 0 9 1,260 0.00%
TESORO MANDAN REFINERY MANDAN ND Xylene (mixed isomers) 2 0 2 10 0.00%
TESORO REFINING & MARKETING COMPANY LLC - SLC SALT LAKE CITY UT Xylene (mixed isomers) 0 7,427 292 1,459 0.00%
MPLX TERMINALS LLC - LOUISVILLE ALGON KY TERMINAL LOUISVILLE KY Xylene (mixed isomers) 0 55 2 11 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Xylene (mixed isomers) 104 0 104 520 0.00%
MARATHON PETROLEUM CO LP - MICHIGAN REFINING DIV DETROIT MI Xylene (mixed isomers) 0 9 0 2 0.00%
MPLX TERMINALS LLC - KENOVA WV TERMINAL KENOVA WV Xylene (mixed isomers) 110 0 110 550 0.00%
MARATHON PIPELINE CO LLC HEATH TERMINAL HEATH OH Xylene (mixed isomers) 5 0 5 25 0.00%
MPLX TERMINALS LLC - SPEEDWAY IN TERMINAL INDIANAPOLIS IN Xylene (mixed isomers) 0 1 0 0 0.00%
TESORO ALASKA - KENAI REFINERY KENAI AK Xylene (mixed isomers) 2 0 2 8 0.00%
TESORO VINVALE TERMINAL SOUTH GATE CA Xylene (mixed isomers) 4 0 4 20 0.00%
MPLX TERMINALS LLC - CHARLESTON WV TERMINAL CHARLESTON WV Xylene (mixed isomers) 5 0 5 25 0.00%
TESORO REFINING & MARKETING CO LLC ANACORTES WA Xylene (mixed isomers) 3 0 3 15 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Xylene (mixed isomers) 390 0 390 1,950 0.00%
ANDEAVOR DICKINSON REFINERY DICKINSON ND Xylene (mixed isomers) 0 1,976 78 388 0.00%
TESORO REFINING & MARKETING CO LLC MARTINEZ CA Xylene (mixed isomers) 4 0 4 20 0.00%
WESTERN EL PASO REFINERY EL PASO TX Xylene (mixed isomers) 0 2,193 86 431 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Xylene (mixed isomers) 36 0 36 180 0.00%
MPLX TERMINALS LLC - PADUCAH KY TERMINAL PADUCAH KY Xylene (mixed isomers) 2 0 2 10 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Xylene (mixed isomers) 469 0 469 2,345 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Xylene (mixed isomers) 3 13,100 518 2,589 0.00%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Xylene (mixed isomers) 7 0 7 35 0.00%
MPLX TERMINALS LLC - OREGON OH TERMINAL OREGON OH Xylene (mixed isomers) 1 0 1 5 0.00%
ST PAUL PARK REFINING CO LLC SAINT PAUL PARK MN Zinc compounds 100 0 100 330 0.00%
CATLETTSBURG REFINING LLC CATLETTSBURG KY Zinc compounds 1,260 0 1,260 4,158 0.00%
MARATHON PETROLEUM CO LP ILLINOIS REFINING DIV ROBINSON IL Zinc compounds 171 19 177 585 0.00%
MARATHON PETROLEUM CO LP OHIO REFINING DIV CANTON OH Zinc compounds 65 0 65 214 0.00%
BLANCHARD REFINING CO LLC TEXAS CITY TX Zinc compounds 340 0 340 1,122 0.00%
MARATHON PETROLEUM CO LP GARYVILLE LA Zinc compounds 185 0 185 610 0.00%
TESORO LOS ANGELES REFINERY-CARSON OPERATIONS CARSON CA Zinc compounds 361 11,318 4,192 13,834 0.01%

Toxic hazard: Pounds of direct releases to surface water and estimated releases from transfers to Publicly Operated Treatment Works (POTW's) reported in the US Environmental Protection Agency's Toxics Release Inventory for the year 2017, weighted by toxicity of chemicals. Weights are from the EPA's Risk-Screening Environmental Indicators project. For details, see technical notes.

Quantity of toxic surface water releases and POTW transfers: Pounds of toxic chemicals released directly to surface water at each TRI facility or transferred off-site to a POTW, without weighting for toxicity or population.

Quantity of toxic post-treatment releases: Pounds of toxic chemicals released directly to surface water plus released after treatment at POTW's.

* Split: if 50% appears in this column, then the facility's releases have been split among two 50/50% ownership parent companies for their parent company data, although the full pounds and hazard are displayed here.

>>Combined Toxic / Greenhouse 100 Lists

>>Toxic 100 Water Top Company List

>>Toxic 100 Air Top Company List

>>Greenhouse 100 Top Company List

>>New Toxic 100 Water Search

>>Toxic 100 Water Home Page