Browse Environmental Hazards
346 toxic release records found.
| Facility | City | State | Chemical | Carcinogen | Total Releases (lbs) | Industry |
|---|---|---|---|---|---|---|
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Lead And Lead Compounds | No | 99 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Polycyclic aromatic compounds | No | 96 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Phenanthrene | No | 85 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Hydrogen fluoride | No | 78 | Petroleum |
| MONTANA RESOURCES LLC | BUTTE | Montana | Polycyclic aromatic compounds | No | 75 | Metal Mining |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | Ethylbenzene | No | 72 | Petroleum Bulk Terminals |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Nickel And Nickel Compounds | No | 72 | Petroleum |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Molybdenum trioxide | No | 66 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Phenanthrene | No | 60 | Petroleum |
| MONTANA PRECISION PRODUCTS LLC | BUTTE | Montana | Nickel | No | 46 | Primary Metals |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Polycyclic aromatic compounds | No | 35 | Petroleum |
| SMC PRECIOUS METALS SMELTER & BASE METALS REFINERY | COLUMBUS | Montana | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | No | 35 | Primary Metals |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Anthracene | No | 35 | Petroleum |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Lead | No | 35 | Petroleum |
| WEYERHAEUSER NR | COLUMBIA FALLS | Montana | Dioxin and dioxin-like compounds | No | 32 | Wood Products |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Cresol (mixed isomers) | No | 29 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Lead And Lead Compounds | No | 29 | Petroleum |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Polycyclic aromatic compounds | No | 28 | Petroleum |
| STILLWATER MINING CO EAST BOULDER MINE | BIG TIMBER | Montana | Lead And Lead Compounds | No | 27 | Metal Mining |
| ASH GROVE CEMENT CO MONTANA CITY PLANT | CLANCY | Montana | Mercury compounds | No | 27 | Nonmetallic Mineral Product |
| US CBP PIEGAN PORT OF ENTRY #MT0001 | BABB | Montana | Lead | No | 26 | Other |
| SMC NYE MINE SITE | NYE | Montana | Mercury compounds | No | 26 | Metal Mining |
| MONTANA PRECISION PRODUCTS LLC | BUTTE | Montana | Chromium | No | 20 | Primary Metals |
| SMC PRECIOUS METALS SMELTER & BASE METALS REFINERY | COLUMBUS | Montana | Barium And Barium Compounds | No | 13 | Primary Metals |
| GCC-THREE FORKS LLC | THREE FORKS | Montana | Mercury And Mercury Compounds | No | 13 | Nonmetallic Mineral Product |
| HELENA SAND & GRAVEL DBA MONTANA MATERIALS & CONST | ANACONDA | Montana | Lead And Lead Compounds | No | 11 | Nonmetallic Mineral Product |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Carbonyl sulfide | No | 11 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Mercury And Mercury Compounds | No | 11 | Petroleum |
| PAR MONTANA BILLINGS REFINERY | BILLINGS | Montana | Isoprene | No | 10 | Petroleum |
| HARDIN GENERATING STATION | HARDIN | Montana | Mercury And Mercury Compounds | No | 9 | Electric Utilities |
| SMC PRECIOUS METALS SMELTER & BASE METALS REFINERY | COLUMBUS | Montana | Cobalt And Cobalt Compounds | No | 8 | Primary Metals |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | Cumene | No | 8 | Petroleum Bulk Terminals |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | Naphthalene | No | 8 | Petroleum Bulk Terminals |
| SMC PRECIOUS METALS SMELTER & BASE METALS REFINERY | COLUMBUS | Montana | Manganese And Manganese Compounds | No | 7 | Primary Metals |
| SMC PRECIOUS METALS SMELTER & BASE METALS REFINERY | COLUMBUS | Montana | Zinc compounds | No | 7 | Primary Metals |
| THOMPSON RIVER LUMBER | THOMPSON FALLS | Montana | Lead | No | 6 | Wood Products |
| COLSTRIP STEAM ELECTRIC STATION | COLSTRIP | Montana | Dioxin and dioxin-like compounds | No | 6 | Electric Utilities |
| THATCHER CO OF NORTH DAKOTA INC | GLENDIVE | Montana | Ethylene glycol | No | 5 | Chemicals |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | Benzo[g,h,i]perylene | No | 5 | Petroleum |
| GRAYMONT WESTERN US INC INDIAN CREEK LIME PRODUCTION | TOWNSEND | Montana | Vanadium (except when contained in an alloy) | No | 4 | Nonmetallic Mineral Product |
| GRAYMONT WESTERN US INC INDIAN CREEK LIME PRODUCTION | TOWNSEND | Montana | Vanadium compounds | No | 4 | Nonmetallic Mineral Product |
| GRAYMONT WESTERN US INC INDIAN CREEK LIME PRODUCTION | TOWNSEND | Montana | Lead And Lead Compounds | No | 3 | Nonmetallic Mineral Product |
| GRAYMONT WESTERN US INC INDIAN CREEK LIME PRODUCTION | TOWNSEND | Montana | Mercury And Mercury Compounds | No | 3 | Nonmetallic Mineral Product |
| PHILLIPS 66 CO BILLINGS REFINERY | BILLINGS | Montana | 1,2-Dibromoethane | No | 3 | Petroleum |
| ROSEBURG FOREST PRODUCTS CO. - MISSOULA PARTICLEBOARD | MISSOULA | Montana | Lead | No | 3 | Wood Products |
| CHS INC. LAUREL REFINERY | LAUREL | Montana | Cumene | No | 3 | Petroleum |
| AMERICAN CHEMET CORP | EAST HELENA | Montana | Lead | No | 3 | Chemicals |
| PHILLIPS 66 MISSOULA PRODUCTS TERMINAL | MISSOULA | Montana | Polycyclic aromatic compounds | No | 2 | Petroleum Bulk Terminals |
| COLSTRIP ENERGY LP ROSEBUD POWER PLANT | COLSTRIP | Montana | Mercury And Mercury Compounds | No | 2 | Electric Utilities |
| CALUMET MONTANA REFINING LLC. | GREAT FALLS | Montana | Mercury | No | 1 | Petroleum |