Browse Environmental Hazards
407 toxic release records found.
| Facility | City | State | Chemical | Carcinogen | Total Releases (lbs) | Industry |
|---|---|---|---|---|---|---|
| DYNO NOBEL INC-CHEYENNE PLANT | CHEYENNE | Wyoming | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | No | 5,011,807 | Chemicals |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Barium And Barium Compounds | No | 3,058,704 | Electric Utilities |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Barium And Barium Compounds | No | 1,109,451 | Electric Utilities |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Wyoming | Barium And Barium Compounds | No | 1,065,091 | Electric Utilities |
| DYNO NOBEL INC-CHEYENNE PLANT | CHEYENNE | Wyoming | Ammonia | No | 1,015,902 | Chemicals |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Barium And Barium Compounds | No | 1,014,148 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Hydrogen fluoride | No | 992,299 | Chemicals |
| BLACKS FORK GAS PLANT | GRANGER | Wyoming | Methanol | No | 861,113 | Natural Gas Processing |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Barium And Barium Compounds | No | 601,367 | Electric Utilities |
| STEAMBOAT PROCESSING FACILITY | DOUGLAS | Wyoming | n-Hexane | No | 595,847 | Natural Gas Processing |
| PACIFICORP WYODAK PLANT | GILLETTE | Wyoming | Barium And Barium Compounds | No | 430,224 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Chromium compounds (except for chromite ore mined in the Transvaal Region) | No | 400,009 | Chemicals |
| PACIFICORP NAUGHTON PLANT | KEMMERER | Wyoming | Barium And Barium Compounds | No | 390,571 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Zinc compounds | No | 289,202 | Chemicals |
| WESTERN GAS RESOURCES HILIGHT GAS PLANT | GILLETTE | Wyoming | Methanol | No | 264,569 | Natural Gas Processing |
| CROWN BEVERAGE PACKAGING | WORLAND | Wyoming | Certain glycol ethers | No | 181,901 | Fabricated Metals |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Ammonia | No | 168,207 | Chemicals |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Wyoming | Ammonia | No | 138,716 | Electric Utilities |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Toluene | No | 136,038 | Petroleum |
| PACIFICORP NAUGHTON PLANT | KEMMERER | Wyoming | Manganese And Manganese Compounds | No | 102,892 | Electric Utilities |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Manganese | No | 92,902 | Electric Utilities |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Manganese And Manganese Compounds | No | 88,319 | Electric Utilities |
| CROWN BEVERAGE PACKAGING | WORLAND | Wyoming | n-Butyl alcohol | No | 85,704 | Fabricated Metals |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 85,256 | Electric Utilities |
| CARTER CREEK GAS PLANT | EVANSTON | Wyoming | Hydrogen sulfide | No | 83,767 | Natural Gas Processing |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Manganese And Manganese Compounds | No | 83,587 | Electric Utilities |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 83,584 | Electric Utilities |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Xylene (mixed isomers) | No | 80,205 | Petroleum |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 80,000 | Petroleum |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Copper | No | 79,490 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | No | 73,734 | Chemicals |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Vanadium (except when contained in an alloy) | No | 72,671 | Electric Utilities |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Nickel And Nickel Compounds | No | 71,202 | Electric Utilities |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Manganese And Manganese Compounds | No | 69,682 | Electric Utilities |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Zinc compounds | No | 69,176 | Electric Utilities |
| 50 BUTTES | GILLETTE | Wyoming | n-Hexane | No | 69,161 | Natural Gas Processing |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Copper And Copper Compounds | No | 66,852 | Electric Utilities |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Zinc (fume or dust) | No | 48,163 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Manganese compounds | No | 43,729 | Chemicals |
| PACIFICORP WYODAK PLANT | GILLETTE | Wyoming | Manganese And Manganese Compounds | No | 41,363 | Electric Utilities |
| ECHO SPRINGS GAS PLANT | CARBON | Wyoming | Benzene | No | 40,680 | Natural Gas Processing |
| WESTERN SUGAR COOPERATIVE LOVELL FACTORY | LOVELL | Wyoming | Ammonia | No | 40,637 | Food |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Chromium | No | 37,967 | Electric Utilities |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Hydrogen fluoride | No | 37,940 | Electric Utilities |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Vanadium compounds | No | 36,338 | Electric Utilities |
| OPAL GAS PLANT | OPAL | Wyoming | Toluene | No | 36,276 | Natural Gas Processing |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Copper And Copper Compounds | No | 34,782 | Electric Utilities |
| PACIFICORP WYODAK PLANT | GILLETTE | Wyoming | Copper And Copper Compounds | No | 32,945 | Electric Utilities |
| 50 BUTTES | GILLETTE | Wyoming | Cyclohexane | No | 32,877 | Natural Gas Processing |
| US ARMY CAMP GUERNSEY TRAINING AREAS | GUERNSEY | Wyoming | Copper | No | 31,678 | Other |